From: andy wharmby <wharmby@php.net>
Date: Fri, 16 Jan 2009 12:53:40 +0000 (+0000)
Subject: New string function tests. Tested on Windows, Linux and Linux 64 bit.
X-Git-Tag: php-5.2.9RC1~104
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=85261c8268a88063238d097da922789469f84db6;p=php

New string function tests. Tested on Windows, Linux and Linux 64 bit.
---

diff --git a/ext/standard/tests/strings/addslashes_variation1.phpt b/ext/standard/tests/strings/addslashes_variation1.phpt
index a86f86d058..c4f9fdd091 100644
--- a/ext/standard/tests/strings/addslashes_variation1.phpt
+++ b/ext/standard/tests/strings/addslashes_variation1.phpt
@@ -32,50 +32,50 @@ $file_handle = fopen(__FILE__, 'r');
 // array with different values
 $values =  array (
 
-  // integer values
-  0,
-  1,
-  12345,
-  -2345,
-
-  // float values
-  10.5,
-  -10.5,
-  10.5e10,
-  10.6E-10,
-  .5,
-
-  // array values
-  array(),
-  array(0),
-  array(1),
-  array(1, 2),
-  array('color' => 'red', 'item' => 'pen'),
-
-  // boolean values
-  true,
-  false,
-  TRUE,
-  FALSE,
-
-  // empty string
-  "",
-  '',
-
-  // undefined variable
-  $undefined_var,
-
-  // unset variable
-  $unset_var,
-  
-  // objects
-  new sample(),
-
-  // resource
-  $file_handle,
- 
-  NULL,
-  null
+		  // integer values
+/*1*/	  0,
+		  1,
+		  12345,
+		  -2345,
+		
+		  // float values
+/*5*/	  10.5,
+		  -10.5,
+		  10.1234567e10,
+		  10.7654321E-10,
+		  .5,
+		
+		  // array values
+/*10*/	  array(),
+		  array(0),
+		  array(1),
+		  array(1, 2),
+		  array('color' => 'red', 'item' => 'pen'),
+		
+		  // boolean values
+/*15*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // empty string
+/*19*/	  "",
+		  '',
+		
+		  // undefined variable
+/*21*/	  $undefined_var,
+		
+		  // unset variable
+/*22*/	  $unset_var,
+		  
+		  // objects
+/*23*/	  new sample(),
+		
+		  // resource
+/*24*/	  $file_handle,
+		 
+/*25*/	  NULL,
+		  null
 );
 
 
@@ -95,8 +95,8 @@ for($index = 0; $index < count($values); $index ++) {
 // closing the file
 fclose($file_handle);
 
-echo "Done\n";
 ?>
+===DONE===
 --EXPECTF--
 *** Testing addslashes() : with non-string type argument ***
 
@@ -118,9 +118,9 @@ string(4) "10.5"
 -- Iteration 6 --
 string(5) "-10.5"
 -- Iteration 7 --
-string(12) "105000000000"
+string(12) "101234567000"
 -- Iteration 8 --
-string(7) "1.06E-9"
+string(13) "1.07654321E-9"
 -- Iteration 9 --
 string(3) "0.5"
 -- Iteration 10 --
@@ -167,4 +167,4 @@ string(%d) "Resource id #%d"
 string(0) ""
 -- Iteration 26 --
 string(0) ""
-Done
+===DONE===
diff --git a/ext/standard/tests/strings/bin2hex_basic.phpt b/ext/standard/tests/strings/bin2hex_basic.phpt
new file mode 100644
index 0000000000..5d667a7ff6
--- /dev/null
+++ b/ext/standard/tests/strings/bin2hex_basic.phpt
@@ -0,0 +1,50 @@
+--TEST--
+Test bin2hex() function : basic functionality 
+--FILE--
+<?php
+
+/* Prototype  : string bin2hex  ( string $str  )
+ * Description: Convert binary data into hexadecimal representation
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing bin2hex() : basic functionality ***\n";
+
+// array with different values for $string
+$strings =  array (
+
+		  //double quoted strings
+/*1*/	  "Here is a simple string",
+		  "\t This String contains \t\t some control characters\r\n",
+		  "\x90\x91\x00\x93\x94\x90\x91\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f",
+		  
+		   //single quoted strings
+/*4*/	  'Here is a simple string',
+		  '\t This String contains \t\t some control characters\r\n',
+		  '\x90\x91\x00\x93\x94\x90\x91\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f',
+);  
+
+// loop through with each element of the $strings array to test bin2hex() function
+$count = 1;
+foreach($strings as $string) {
+  echo "-- Iteration $count --\n";	
+  var_dump(bin2hex($string));
+  $count ++;
+}  
+?>
+===DONE===
+--EXPECT--
+*** Testing bin2hex() : basic functionality ***
+-- Iteration 1 --
+string(46) "4865726520697320612073696d706c6520737472696e67"
+-- Iteration 2 --
+string(102) "09205468697320537472696e6720636f6e7461696e7320090920736f6d6520636f6e74726f6c20636861726163746572730d0a"
+-- Iteration 3 --
+string(36) "9091009394909195969798999a9b9c9d9e9f"
+-- Iteration 4 --
+string(46) "4865726520697320612073696d706c6520737472696e67"
+-- Iteration 5 --
+string(112) "5c74205468697320537472696e6720636f6e7461696e73205c745c7420736f6d6520636f6e74726f6c20636861726163746572735c725c6e"
+-- Iteration 6 --
+string(144) "5c7839305c7839315c7830305c7839335c7839345c7839305c7839315c7839355c7839365c7839375c7839385c7839395c7839615c7839625c7839635c7839645c7839655c783966"
+===DONE===
diff --git a/ext/standard/tests/strings/bin2hex_error.phpt b/ext/standard/tests/strings/bin2hex_error.phpt
new file mode 100644
index 0000000000..5864133ec6
--- /dev/null
+++ b/ext/standard/tests/strings/bin2hex_error.phpt
@@ -0,0 +1,35 @@
+--TEST--
+Test bin2hex() function : error conditions 
+--FILE--
+<?php
+
+/* Prototype  : string bin2hex  ( string $str  )
+ * Description: Convert binary data into hexadecimal representation
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing bin2hex() : error conditions ***\n";
+
+echo "\n-- Testing bin2hex() function with no arguments --\n";
+var_dump( bin2hex() );
+
+echo "\n-- Testing bin2hex() function with more than expected no. of arguments --\n";
+$extra_arg = 10;
+var_dump( bin2hex("Hello World", $extra_arg) );
+
+?> 
+===DONE===
+--EXPECTF--
+*** Testing bin2hex() : error conditions ***
+
+-- Testing bin2hex() function with no arguments --
+
+Warning: Wrong parameter count for bin2hex() in %s on line %d
+NULL
+
+-- Testing bin2hex() function with more than expected no. of arguments --
+
+Warning: Wrong parameter count for bin2hex() in %s on line %d
+NULL
+ 
+===DONE===
diff --git a/ext/standard/tests/strings/bin2hex_variation1.phpt b/ext/standard/tests/strings/bin2hex_variation1.phpt
new file mode 100644
index 0000000000..e616c1c476
--- /dev/null
+++ b/ext/standard/tests/strings/bin2hex_variation1.phpt
@@ -0,0 +1,126 @@
+--TEST--
+Test bin2hex() function : usage variations - test values for $str argument
+--FILE--
+<?php
+
+/* Prototype  : string bin2hex  ( string $str  )
+ * Description: Convert binary data into hexadecimal representation
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing bin2hex() function: with unexpected inputs for 'str' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+	  // integer values
+/*1*/ 0,
+	  1,
+	  123456,
+	
+	  // float values
+/*4*/ 10.5,
+	  -20.5,
+	  10.1234567e10,
+	
+	  // array values
+/*7*/ array(),
+	  array(0),
+	  array(1, 2),
+	
+	  // boolean values
+/*10*/true,
+	  false,
+	  TRUE,
+	  FALSE,
+	
+	  // null values
+/*14*/NULL,
+	  null,
+	
+	  // objects
+/*16*/new sample(),
+	
+	  // resource
+/*17*/$file_handle,
+	
+	  // undefined variable
+/*18*/@$undefined_var,
+	
+	  // unset variable
+/*19*/@$unset_var
+);
+
+// loop through with each element of the $inputs array to test bin2hex() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump(bin2hex($input) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing bin2hex() function: with unexpected inputs for 'str' argument ***
+-- Iteration 1 --
+string(2) "30"
+-- Iteration 2 --
+string(2) "31"
+-- Iteration 3 --
+string(12) "313233343536"
+-- Iteration 4 --
+string(8) "31302e35"
+-- Iteration 5 --
+string(10) "2d32302e35"
+-- Iteration 6 --
+string(24) "313031323334353637303030"
+-- Iteration 7 --
+
+Notice: Array to string conversion in %s on line %d
+string(10) "4172726179"
+-- Iteration 8 --
+
+Notice: Array to string conversion in %s on line %d
+string(10) "4172726179"
+-- Iteration 9 --
+
+Notice: Array to string conversion in %s on line %d
+string(10) "4172726179"
+-- Iteration 10 --
+string(2) "31"
+-- Iteration 11 --
+string(0) ""
+-- Iteration 12 --
+string(2) "31"
+-- Iteration 13 --
+string(0) ""
+-- Iteration 14 --
+string(0) ""
+-- Iteration 15 --
+string(0) ""
+-- Iteration 16 --
+string(26) "73616d706c65206f626a656374"
+-- Iteration 17 --
+string(%d) "%s"
+-- Iteration 18 --
+string(0) ""
+-- Iteration 19 --
+string(0) ""
+===DONE===
diff --git a/ext/standard/tests/strings/bug37262.phpt b/ext/standard/tests/strings/bug37262.phpt
index 6fe2d9f379..5a9f7f724d 100644
--- a/ext/standard/tests/strings/bug37262.phpt
+++ b/ext/standard/tests/strings/bug37262.phpt
@@ -5,5 +5,5 @@ Bug #37262 (var_export() does not escape \0 character)
 $func = create_function('$a', 'return $a;');
 var_export($func);
 ?>
---EXPECT--	
-'' . "\0" . 'lambda_1'
+--EXPECTF--	
+'' . "\0" . 'lambda_%d'
diff --git a/ext/standard/tests/strings/bug45166.phpt b/ext/standard/tests/strings/bug45166.phpt
new file mode 100644
index 0000000000..60449e04f0
--- /dev/null
+++ b/ext/standard/tests/strings/bug45166.phpt
@@ -0,0 +1,10 @@
+--TEST--
+Bug #45166 (substr() )
+--FILE--
+<?php
+	echo substr('cd', -3) . "\n";  
+?>
+===DONE===
+--EXPECT--
+cd
+===DONE===
\ No newline at end of file
diff --git a/ext/standard/tests/strings/chr_basic.phpt b/ext/standard/tests/strings/chr_basic.phpt
new file mode 100644
index 0000000000..378b4027a1
--- /dev/null
+++ b/ext/standard/tests/strings/chr_basic.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Test chr() function : basic functionality 
+--FILE--
+<?php
+
+/* Prototype  : string chr  ( int $ascii  )
+ * Description: Return a specific character
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing chr() : basic functionality ***\n";
+
+echo chr(72). chr(101) . chr(108) . chr(108). chr(111); // Hello
+echo chr(10); // "\n"
+echo "World";
+echo "\n";
+?>
+===DONE===
+--EXPECTF--
+*** Testing chr() : basic functionality ***
+Hello
+World
+===DONE===
diff --git a/ext/standard/tests/strings/chr_error.phpt b/ext/standard/tests/strings/chr_error.phpt
new file mode 100644
index 0000000000..d5fb974559
--- /dev/null
+++ b/ext/standard/tests/strings/chr_error.phpt
@@ -0,0 +1,34 @@
+--TEST--
+Test chr() function : error conditions
+--FILE--
+<?php
+
+/* Prototype  : string chr  ( int $ascii  )
+ * Description: Return a specific character
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing chr() : error conditions ***\n";
+
+echo "\n-- Testing chr() function with no arguments --\n";
+var_dump( chr() );
+
+echo "\n-- Testing chr() function with more than expected no. of arguments --\n";
+$extra_arg = 10;
+var_dump( chr(72, $extra_arg) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing chr() : error conditions ***
+
+-- Testing chr() function with no arguments --
+
+Warning: Wrong parameter count for chr() in %s on line %d
+NULL
+
+-- Testing chr() function with more than expected no. of arguments --
+
+Warning: Wrong parameter count for chr() in %s on line %d
+NULL
+===DONE===
diff --git a/ext/standard/tests/strings/chr_variation1.phpt b/ext/standard/tests/strings/chr_variation1.phpt
new file mode 100644
index 0000000000..1d9e8e91c6
--- /dev/null
+++ b/ext/standard/tests/strings/chr_variation1.phpt
@@ -0,0 +1,125 @@
+--TEST--
+Test chr() function : usage variations - test values for $ascii argument
+--FILE--
+<?php
+
+/* Prototype  : string chr  ( int $ascii  )
+ * Description: Return a specific character
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing chr() function: with unexpected inputs for 'ascii' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  255,
+		  256,
+		
+		  // float values
+/*5*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*8*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*11*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null values
+/*15*/	  NULL,
+		  null,
+		
+		  // objects
+/*17*/	  new sample(),
+		
+		  // resource
+/*18*/	  $file_handle,
+		
+		  // undefined variable
+/*19*/	  @$undefined_var,
+		
+		  // unset variable
+/*20*/	  @$unset_var
+);
+
+// loop through with each element of the $inputs array to test chr() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( bin2hex(chr($input)) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing chr() function: with unexpected inputs for 'ascii' argument ***
+-- Iteration 1 --
+string(2) "00"
+-- Iteration 2 --
+string(2) "01"
+-- Iteration 3 --
+string(2) "ff"
+-- Iteration 4 --
+string(2) "00"
+-- Iteration 5 --
+string(2) "0a"
+-- Iteration 6 --
+string(2) "ec"
+-- Iteration 7 --
+string(2) "58"
+-- Iteration 8 --
+string(2) "00"
+-- Iteration 9 --
+string(2) "01"
+-- Iteration 10 --
+string(2) "01"
+-- Iteration 11 --
+string(2) "01"
+-- Iteration 12 --
+string(2) "00"
+-- Iteration 13 --
+string(2) "01"
+-- Iteration 14 --
+string(2) "00"
+-- Iteration 15 --
+string(2) "00"
+-- Iteration 16 --
+string(2) "00"
+-- Iteration 17 --
+
+Notice: Object of class sample could not be converted to int in %s on line %d
+string(2) "01"
+-- Iteration 18 --
+string(%d) "%s"
+-- Iteration 19 --
+string(2) "00"
+-- Iteration 20 --
+string(2) "00"
+===DONE===
diff --git a/ext/standard/tests/strings/convert_cyr_string_basic.phpt b/ext/standard/tests/strings/convert_cyr_string_basic.phpt
new file mode 100644
index 0000000000..e29ad330ce
--- /dev/null
+++ b/ext/standard/tests/strings/convert_cyr_string_basic.phpt
@@ -0,0 +1,165 @@
+--TEST--
+Test convert_cyr_string() function : basic functionality 
+--FILE--
+<?php
+
+/* Prototype  : string convert_cyr_string  ( string $str  , string $from  , string $to  )
+ * Description: Convert from one Cyrillic character set to another
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing convert_cyr_string() : basic functionality ***\n";
+
+$str = "Convert from one Cyrillic character set to another.";
+
+echo "\n-- First try some simple English text --\n";
+var_dump(bin2hex(convert_cyr_string($str, 'w', 'k')));
+var_dump(bin2hex(convert_cyr_string($str, 'w', 'i')));
+
+
+echo "\n-- Now try some of characters in 128-255 range --\n";
+
+for ($i = 128; $i < 256; $i++) {
+	$str = chr($i);
+	echo "$i: " . bin2hex(convert_cyr_string($str, 'w', 'k')) . "\n";
+}
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing convert_cyr_string() : basic functionality ***
+
+-- First try some simple English text --
+string(102) "436f6e766572742066726f6d206f6e6520437972696c6c6963206368617261637465722073657420746f20616e6f746865722e"
+string(102) "436f6e766572742066726f6d206f6e6520437972696c6c6963206368617261637465722073657420746f20616e6f746865722e"
+
+-- Now try some of characters in 128-255 range --
+128: 2e
+129: 2e
+130: 2e
+131: 2e
+132: 2e
+133: 2e
+134: 2e
+135: 2e
+136: 2e
+137: 2e
+138: 2e
+139: 2e
+140: 2e
+141: 2e
+142: 2e
+143: 2e
+144: 2e
+145: 2e
+146: 2e
+147: 2e
+148: 2e
+149: 2e
+150: 2e
+151: 2e
+152: 2e
+153: 2e
+154: 2e
+155: 2e
+156: 2e
+157: 2e
+158: 2e
+159: 2e
+160: 9a
+161: ae
+162: be
+163: 2e
+164: 9f
+165: bd
+166: 2e
+167: 2e
+168: b3
+169: bf
+170: b4
+171: 9d
+172: 2e
+173: 2e
+174: 9c
+175: b7
+176: 2e
+177: 2e
+178: b6
+179: a6
+180: ad
+181: 2e
+182: 2e
+183: 9e
+184: a3
+185: 98
+186: a4
+187: 9b
+188: 2e
+189: 2e
+190: 2e
+191: a7
+192: e1
+193: e2
+194: f7
+195: e7
+196: e4
+197: e5
+198: f6
+199: fa
+200: e9
+201: ea
+202: eb
+203: ec
+204: ed
+205: ee
+206: ef
+207: f0
+208: f2
+209: f3
+210: f4
+211: f5
+212: e6
+213: e8
+214: e3
+215: fe
+216: fb
+217: fd
+218: ff
+219: f9
+220: f8
+221: fc
+222: e0
+223: f1
+224: c1
+225: c2
+226: d7
+227: c7
+228: c4
+229: c5
+230: d6
+231: da
+232: c9
+233: ca
+234: cb
+235: cc
+236: cd
+237: ce
+238: cf
+239: d0
+240: d2
+241: d3
+242: d4
+243: d5
+244: c6
+245: c8
+246: c3
+247: de
+248: db
+249: dd
+250: df
+251: d9
+252: d8
+253: dc
+254: c0
+255: d1
+===DONE===
diff --git a/ext/standard/tests/strings/convert_cyr_string_error.phpt b/ext/standard/tests/strings/convert_cyr_string_error.phpt
new file mode 100644
index 0000000000..21471074eb
--- /dev/null
+++ b/ext/standard/tests/strings/convert_cyr_string_error.phpt
@@ -0,0 +1,73 @@
+--TEST--
+Test convert_cyr_string() function : error conditions 
+--FILE--
+<?php
+
+/* Prototype  : string convert_cyr_string  ( string $str  , string $from  , string $to  )
+ * Description: Convert from one Cyrillic character set to another
+ * Source code: ext/standard/string.c
+*/
+
+$str = "hello";
+$from = "k";
+$to = "d";
+$extra_arg = 10;
+
+echo "*** Testing convert_cyr_string() : error conditions ***\n";
+
+echo "\n-- Testing convert_cyr_string() function with no arguments --\n";
+var_dump( convert_cyr_string() );
+
+echo "\n-- Testing convert_cyr_string() function with no 'to' character set --\n";
+var_dump( convert_cyr_string($str, $from) );
+
+echo "\n-- Testing convert_cyr_string() function with more than expected no. of arguments --\n";
+var_dump( convert_cyr_string($str, $from, $to, $extra_arg) );
+
+echo "\n-- Testing convert_cyr_string() function with invalid 'from' character set --\n";
+var_dump(bin2hex( convert_cyr_string($str, "?", $to) ));
+
+echo "\n-- Testing convert_cyr_string() function with invalid 'to' character set --\n";
+var_dump(bin2hex( convert_cyr_string($str, $from, "?")) );
+
+echo "\n-- Testing convert_cyr_string() function with invalid 'from' and 'to' character set --\n";
+var_dump(bin2hex( convert_cyr_string($str, ">", "?")) );
+
+?> 
+===DONE===
+--EXPECTF--
+*** Testing convert_cyr_string() : error conditions ***
+
+-- Testing convert_cyr_string() function with no arguments --
+
+Warning: Wrong parameter count for convert_cyr_string() in %s on line %d
+NULL
+
+-- Testing convert_cyr_string() function with no 'to' character set --
+
+Warning: Wrong parameter count for convert_cyr_string() in %s on line %d
+NULL
+
+-- Testing convert_cyr_string() function with more than expected no. of arguments --
+
+Warning: Wrong parameter count for convert_cyr_string() in %s on line %d
+NULL
+
+-- Testing convert_cyr_string() function with invalid 'from' character set --
+
+Warning: convert_cyr_string(): Unknown source charset: ? in %s on line %d
+string(10) "68656c6c6f"
+
+-- Testing convert_cyr_string() function with invalid 'to' character set --
+
+Warning: convert_cyr_string(): Unknown destination charset: ? in %s on line %d
+string(10) "68656c6c6f"
+
+-- Testing convert_cyr_string() function with invalid 'from' and 'to' character set --
+
+Warning: convert_cyr_string(): Unknown source charset: > in %s on line %d
+
+Warning: convert_cyr_string(): Unknown destination charset: ? in %s on line %d
+string(10) "68656c6c6f"
+ 
+===DONE===
diff --git a/ext/standard/tests/strings/convert_cyr_string_variation1.phpt b/ext/standard/tests/strings/convert_cyr_string_variation1.phpt
new file mode 100644
index 0000000000..d2bd82b4b2
--- /dev/null
+++ b/ext/standard/tests/strings/convert_cyr_string_variation1.phpt
@@ -0,0 +1,137 @@
+--TEST--
+Test convert_cyr_string() function : usage variations - test values for $str argument
+--FILE--
+<?php
+
+/* Prototype  : string convert_cyr_string  ( string $str  , string $from  , string $to  )
+ * Description: Convert from one Cyrillic character set to another
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing convert_cyr_string() function: with unexpected inputs for 'str' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $str
+$inputs =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  255,
+		  256,
+		  2147483647,
+		  -2147483648,
+		
+		  // float values
+/*7*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*10*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*13*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null values
+/*17*/	  NULL,
+		  null,
+		
+		  // objects
+/*19*/	  new sample(),
+		
+		  // resource
+/*20*/	  $file_handle,
+		
+		  // undefined variable
+/*21*/	  @$undefined_var,
+		
+		  // unset variable
+/*22*/	  @$unset_var
+);
+
+// loop through with each element of the $inputs array to test convert_cyr_string() function
+$count = 1;
+$from = "w";
+$to = "k";
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( convert_cyr_string($input, $from, $to) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing convert_cyr_string() function: with unexpected inputs for 'str' argument ***
+-- Iteration 1 --
+string(1) "0"
+-- Iteration 2 --
+string(1) "1"
+-- Iteration 3 --
+string(3) "255"
+-- Iteration 4 --
+string(3) "256"
+-- Iteration 5 --
+string(10) "2147483647"
+-- Iteration 6 --
+string(11) "-2147483648"
+-- Iteration 7 --
+string(4) "10.5"
+-- Iteration 8 --
+string(5) "-20.5"
+-- Iteration 9 --
+string(12) "101234567000"
+-- Iteration 10 --
+
+Notice: Array to string conversion in %s on line %d
+string(5) "Array"
+-- Iteration 11 --
+
+Notice: Array to string conversion in %s on line %d
+string(5) "Array"
+-- Iteration 12 --
+
+Notice: Array to string conversion in %s on line %d
+string(5) "Array"
+-- Iteration 13 --
+string(1) "1"
+-- Iteration 14 --
+string(0) ""
+-- Iteration 15 --
+string(1) "1"
+-- Iteration 16 --
+string(0) ""
+-- Iteration 17 --
+string(0) ""
+-- Iteration 18 --
+string(0) ""
+-- Iteration 19 --
+string(13) "sample object"
+-- Iteration 20 --
+string(%d) "Resource id #%d"
+-- Iteration 21 --
+string(0) ""
+-- Iteration 22 --
+string(0) ""
+===DONE===
diff --git a/ext/standard/tests/strings/convert_uudecode_basic.phpt b/ext/standard/tests/strings/convert_uudecode_basic.phpt
new file mode 100644
index 0000000000..6e334a9815
--- /dev/null
+++ b/ext/standard/tests/strings/convert_uudecode_basic.phpt
@@ -0,0 +1,54 @@
+--TEST--
+Test convert_uudecode() function : basic functionality 
+--FILE--
+<?php
+
+/* Prototype  : string convert_uudecode  ( string $data  )
+ * Description: Decode a uuencoded string
+ * Source code: ext/standard/uuencode.c
+*/
+
+echo "*** Testing convert_uudecode() : basic functionality ***\n";
+
+// array with different values for $string
+$strings =  array (
+
+  //double quoted strings
+  "123",
+  "abc",
+  "1a2b3c",
+  "Here is a simple string to test convert_uuencode/decode",
+  "\t This String contains \t\t some control characters\r\n",
+  "\x90\x91\x00\x93\x94\x90\x91\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f",
+  
+   //single quoted strings
+  '123',
+  'abc',
+  '1a2b3c',
+  '\t This String contains \t\t some control characters\r\n',
+  
+);  
+
+// loop through with each element of the $strings array to test convert_uudecode() function
+$count = 1;
+foreach($strings as $string) {
+  	
+  $encode = convert_uuencode($string);
+  $decode = convert_uudecode($encode);
+  
+  if ($decode != $string) { 
+  	var_dump($encode, $decode, $string);  
+  	exit("TEST FAILED on iteration $count\n");
+  } 	
+  
+  $count ++;
+}
+
+echo "TEST PASSED\n";
+
+?>
+===DONE=== 
+--EXPECTF--
+*** Testing convert_uudecode() : basic functionality ***
+TEST PASSED
+===DONE===
diff --git a/ext/standard/tests/strings/convert_uudecode_error.phpt b/ext/standard/tests/strings/convert_uudecode_error.phpt
new file mode 100644
index 0000000000..77d3a88833
--- /dev/null
+++ b/ext/standard/tests/strings/convert_uudecode_error.phpt
@@ -0,0 +1,35 @@
+--TEST--
+Test convert_uudecode() function : error conditions 
+--FILE--
+<?php
+
+/* Prototype  : string convert_uudecode  ( string $data  )
+ * Description: Decode a uuencoded string
+ * Source code: ext/standard/uuencode.c
+*/
+
+echo "*** Testing convert_uudecode() : error conditions ***\n";
+
+echo "\n-- Testing convert_uudecode() function with no arguments --\n";
+var_dump( convert_uudecode() );
+
+echo "\n-- Testing convert_uudecode() function with more than expected no. of arguments --\n";
+$extra_arg = 10;
+var_dump( convert_uudecode(72, $extra_arg) );
+
+?> 
+===DONE===
+--EXPECTF--
+*** Testing convert_uudecode() : error conditions ***
+
+-- Testing convert_uudecode() function with no arguments --
+
+Warning: convert_uudecode() expects exactly 1 parameter, 0 given in %s on line %d
+bool(false)
+
+-- Testing convert_uudecode() function with more than expected no. of arguments --
+
+Warning: convert_uudecode() expects exactly 1 parameter, 2 given in %s on line %d
+bool(false)
+ 
+===DONE===
diff --git a/ext/standard/tests/strings/convert_uudecode_variation1.phpt b/ext/standard/tests/strings/convert_uudecode_variation1.phpt
new file mode 100644
index 0000000000..049fd7f65b
--- /dev/null
+++ b/ext/standard/tests/strings/convert_uudecode_variation1.phpt
@@ -0,0 +1,161 @@
+--TEST--
+Test convert_uudecode() function : usage variations - test values for $data argument
+--FILE--
+<?php
+
+/* Prototype  : string convert_uudecode  ( string $data  )
+ * Description: Decode a uuencoded string
+ * Source code: ext/standard/uuencode.c
+*/
+
+echo "*** Testing convert_uudecode() function: with unexpected inputs for 'data' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $data
+$inputs =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  255,
+		  256,
+	      2147483647,
+		  -2147483648,
+		
+		  // float values
+/*7*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*10*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*13*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null values
+/*17*/	  NULL,
+		  null,
+		
+		  // objects
+/*19*/	  new sample(),
+		
+		  // resource
+/*20*/	  $file_handle,
+		
+		  // undefined variable
+/*21*/	  @$undefined_var,
+		
+		  // unset variable
+/*22*/	  @$unset_var
+);
+
+// loop through with each element of the $data array to test convert_uudecode() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( convert_uudecode($input) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing convert_uudecode() function: with unexpected inputs for 'data' argument ***
+-- Iteration 1 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 2 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 3 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 4 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 5 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 6 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 7 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 8 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 9 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 10 --
+
+Warning: convert_uudecode() expects parameter 1 to be string, array given in %s on line %d
+bool(false)
+-- Iteration 11 --
+
+Warning: convert_uudecode() expects parameter 1 to be string, array given in %s on line %d
+bool(false)
+-- Iteration 12 --
+
+Warning: convert_uudecode() expects parameter 1 to be string, array given in %s on line %d
+bool(false)
+-- Iteration 13 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 14 --
+bool(false)
+-- Iteration 15 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 16 --
+bool(false)
+-- Iteration 17 --
+bool(false)
+-- Iteration 18 --
+bool(false)
+-- Iteration 19 --
+
+Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
+bool(false)
+-- Iteration 20 --
+
+Warning: convert_uudecode() expects parameter 1 to be string, resource given in %s on line %d
+bool(false)
+-- Iteration 21 --
+bool(false)
+-- Iteration 22 --
+bool(false)
+===DONE===
diff --git a/ext/standard/tests/strings/convert_uuencode_basic.phpt b/ext/standard/tests/strings/convert_uuencode_basic.phpt
new file mode 100644
index 0000000000..df8ee3666e
--- /dev/null
+++ b/ext/standard/tests/strings/convert_uuencode_basic.phpt
@@ -0,0 +1,88 @@
+--TEST--
+Test convert_uuencode() function : basic functionality 
+--FILE--
+<?php
+
+/* Prototype  : string convert_uuencode  ( string $data  )
+ * Description: Uuencode a string
+ * Source code: ext/standard/uuencode.c
+*/
+
+echo "*** Testing convert_uuencode() : basic functionality ***\n";
+
+// array with different values for $string
+$strings =  array (
+
+  //double quoted strings
+  b"123",
+  b"abc",
+  b"1a2b3c",
+  b"Here is a simple string to test convert_uuencode/decode",
+  b"\t This String contains \t\t some control characters\r\n",
+  b"\x90\x91\x00\x93\x94\x90\x91\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f",
+  
+   //single quoted strings
+  b'123',
+  b'abc',
+  b'1a2b3c',
+  b'\t This String contains \t\t some control characters\r\n',
+  
+);  
+
+// loop through with each element of the $strings array to test convert_uuencode() function
+$count = 1;
+foreach($strings as $string) {
+  echo "-- Iteration $count --\n";
+  var_dump( convert_uuencode($string) );
+  $count ++;
+}
+
+
+?>
+===DONE=== 
+--EXPECTF--
+*** Testing convert_uuencode() : basic functionality ***
+-- Iteration 1 --
+string(8) "#,3(S
+`
+"
+-- Iteration 2 --
+string(8) "#86)C
+`
+"
+-- Iteration 3 --
+string(12) "&,6$R8C-C
+`
+"
+-- Iteration 4 --
+string(82) "M2&5R92!I<R!A('-I;7!L92!S=')I;F<@=&\@=&5S="!C;VYV97)T7W5U96YC
+*;V1E+V1E8V]D90``
+`
+"
+-- Iteration 5 --
+string(74) "M"2!4:&ES(%-T<FEN9R!C;VYT86EN<R`)"2!S;VUE(&-O;G1R;VP@8VAA<F%C
+&=&5R<PT*
+`
+"
+-- Iteration 6 --
+string(28) "2D)$`DY20D966EYB9FIN<G9Z?
+`
+"
+-- Iteration 7 --
+string(8) "#,3(S
+`
+"
+-- Iteration 8 --
+string(8) "#86)C
+`
+"
+-- Iteration 9 --
+string(12) "&,6$R8C-C
+`
+"
+-- Iteration 10 --
+string(82) "M7'0@5&AI<R!3=')I;F<@8V]N=&%I;G,@7'1<="!S;VUE(&-O;G1R;VP@8VAA
++<F%C=&5R<UQR7&X`
+`
+"
+===DONE===
diff --git a/ext/standard/tests/strings/convert_uuencode_error.phpt b/ext/standard/tests/strings/convert_uuencode_error.phpt
new file mode 100644
index 0000000000..a995e18fe2
--- /dev/null
+++ b/ext/standard/tests/strings/convert_uuencode_error.phpt
@@ -0,0 +1,35 @@
+--TEST--
+Test convert_uuencode() function : error conditions 
+--FILE--
+<?php
+
+/* Prototype  : string convert_uuencode  ( string $data  )
+ * Description: Uuencode a string
+ * Source code: ext/standard/uuencode.c
+*/
+
+echo "*** Testing convert_uuencode() : error conditions ***\n";
+
+echo "\n-- Testing chconvert_uuencoder() function with no arguments --\n";
+var_dump( convert_uuencode() );
+
+echo "\n-- Testing convert_uuencode() function with more than expected no. of arguments --\n";
+$extra_arg = 10;
+var_dump( convert_uuencode(72, $extra_arg) );
+
+?> 
+===DONE===
+--EXPECTF--
+*** Testing convert_uuencode() : error conditions ***
+
+-- Testing chconvert_uuencoder() function with no arguments --
+
+Warning: convert_uuencode() expects exactly 1 parameter, 0 given in %s on line %d
+bool(false)
+
+-- Testing convert_uuencode() function with more than expected no. of arguments --
+
+Warning: convert_uuencode() expects exactly 1 parameter, 2 given in %s on line %d
+bool(false)
+ 
+===DONE===
diff --git a/ext/standard/tests/strings/convert_uuencode_variation1.phpt b/ext/standard/tests/strings/convert_uuencode_variation1.phpt
new file mode 100644
index 0000000000..12ca281960
--- /dev/null
+++ b/ext/standard/tests/strings/convert_uuencode_variation1.phpt
@@ -0,0 +1,137 @@
+--TEST--
+Test convert_uuencode() function : usage variations - test values for $data argument
+--FILE--
+<?php
+
+/* Prototype  : string convert_uuencode  ( string $data  )
+ * Description: Uuencode a string
+ * Source code: ext/standard/uuencode.c
+*/
+
+echo "*** Testing convert_uuencode() function: with unexpected inputs for 'data' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $data
+$inputs =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  255,
+		  256,
+	      2147483647,
+		  -2147483648,
+		
+		  // float values
+/*7*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*10*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*13*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null values
+/*17*/	  NULL,
+		  null,
+		
+		  // objects
+/*19*/	  new sample(),
+		
+		  // resource
+/*20*/	  $file_handle,
+		
+		  // undefined variable
+/*21*/	  @$undefined_var,
+		
+		  // unset variable
+/*22*/	  @$unset_var
+);
+
+// loop through with each element of the $data array to test convert_uuencode() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( bin2hex(convert_uuencode($input)) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing convert_uuencode() function: with unexpected inputs for 'data' argument ***
+-- Iteration 1 --
+string(16) "212c6060600a600a"
+-- Iteration 2 --
+string(16) "212c3060600a600a"
+-- Iteration 3 --
+string(16) "232c4334550a600a"
+-- Iteration 4 --
+string(16) "232c4334560a600a"
+-- Iteration 5 --
+string(40) "2a2c4324542d5330582c5338542d5060600a600a"
+-- Iteration 6 --
+string(40) "2b2b3328512d233c542e232c562d2340600a600a"
+-- Iteration 7 --
+string(24) "242c33604e2d3060600a600a"
+-- Iteration 8 --
+string(24) "252b3328502b4334600a600a"
+-- Iteration 9 --
+string(40) "2c2c3360512c432c542d3338572c2360500a600a"
+-- Iteration 10 --
+
+Warning: convert_uuencode() expects parameter 1 to be string, array given in %s on line %d
+string(0) ""
+-- Iteration 11 --
+
+Warning: convert_uuencode() expects parameter 1 to be string, array given in %s on line %d
+string(0) ""
+-- Iteration 12 --
+
+Warning: convert_uuencode() expects parameter 1 to be string, array given in %s on line %d
+string(0) ""
+-- Iteration 13 --
+string(16) "212c3060600a600a"
+-- Iteration 14 --
+string(0) ""
+-- Iteration 15 --
+string(16) "212c3060600a600a"
+-- Iteration 16 --
+string(0) ""
+-- Iteration 17 --
+string(0) ""
+-- Iteration 18 --
+string(0) ""
+-- Iteration 19 --
+string(48) "2d3c56254d3c26514528265d423a4635433d6060600a600a"
+-- Iteration 20 --
+
+Warning: convert_uuencode() expects parameter 1 to be string, resource given in %s on line %d
+string(0) ""
+-- Iteration 21 --
+string(0) ""
+-- Iteration 22 --
+string(0) ""
+===DONE===
diff --git a/ext/standard/tests/strings/count_chars_basic.phpt b/ext/standard/tests/strings/count_chars_basic.phpt
new file mode 100644
index 0000000000..f28fa63b20
--- /dev/null
+++ b/ext/standard/tests/strings/count_chars_basic.phpt
@@ -0,0 +1,1574 @@
+--TEST--
+Test count_chars() function : basic functionality 
+--FILE--
+<?php
+
+/* Prototype  : mixed count_chars  ( string $string  [, int $mode  ] )
+ * Description: Return information about characters used in a string
+ * Source code: ext/standard/string.c
+*/
+
+
+echo "*** Testing count_chars() : basic functionality ***\n";
+
+$string = "Return information about characters used in a string";
+
+var_dump(count_chars($string));
+var_dump(count_chars($string, 0));
+var_dump(count_chars($string, 1));
+var_dump(count_chars($string, 2));
+var_dump(count_chars($string, 3));
+var_dump(bin2hex(count_chars($string, 4)));
+
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing count_chars() : basic functionality ***
+array(256) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(0)
+  [2]=>
+  int(0)
+  [3]=>
+  int(0)
+  [4]=>
+  int(0)
+  [5]=>
+  int(0)
+  [6]=>
+  int(0)
+  [7]=>
+  int(0)
+  [8]=>
+  int(0)
+  [9]=>
+  int(0)
+  [10]=>
+  int(0)
+  [11]=>
+  int(0)
+  [12]=>
+  int(0)
+  [13]=>
+  int(0)
+  [14]=>
+  int(0)
+  [15]=>
+  int(0)
+  [16]=>
+  int(0)
+  [17]=>
+  int(0)
+  [18]=>
+  int(0)
+  [19]=>
+  int(0)
+  [20]=>
+  int(0)
+  [21]=>
+  int(0)
+  [22]=>
+  int(0)
+  [23]=>
+  int(0)
+  [24]=>
+  int(0)
+  [25]=>
+  int(0)
+  [26]=>
+  int(0)
+  [27]=>
+  int(0)
+  [28]=>
+  int(0)
+  [29]=>
+  int(0)
+  [30]=>
+  int(0)
+  [31]=>
+  int(0)
+  [32]=>
+  int(7)
+  [33]=>
+  int(0)
+  [34]=>
+  int(0)
+  [35]=>
+  int(0)
+  [36]=>
+  int(0)
+  [37]=>
+  int(0)
+  [38]=>
+  int(0)
+  [39]=>
+  int(0)
+  [40]=>
+  int(0)
+  [41]=>
+  int(0)
+  [42]=>
+  int(0)
+  [43]=>
+  int(0)
+  [44]=>
+  int(0)
+  [45]=>
+  int(0)
+  [46]=>
+  int(0)
+  [47]=>
+  int(0)
+  [48]=>
+  int(0)
+  [49]=>
+  int(0)
+  [50]=>
+  int(0)
+  [51]=>
+  int(0)
+  [52]=>
+  int(0)
+  [53]=>
+  int(0)
+  [54]=>
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+  [55]=>
+  int(0)
+  [56]=>
+  int(0)
+  [57]=>
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+  [58]=>
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+  [59]=>
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+  [60]=>
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+  [61]=>
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+  [63]=>
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+  [64]=>
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+  [65]=>
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+  [66]=>
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+  [69]=>
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+  [70]=>
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+  [71]=>
+  int(0)
+  [72]=>
+  int(0)
+  [73]=>
+  int(0)
+  [74]=>
+  int(0)
+  [75]=>
+  int(0)
+  [76]=>
+  int(0)
+  [77]=>
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+  [78]=>
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+  [79]=>
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+  [80]=>
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+  [81]=>
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+  [82]=>
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+  [84]=>
+  int(0)
+  [85]=>
+  int(0)
+  [86]=>
+  int(0)
+  [87]=>
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+  [88]=>
+  int(0)
+  [89]=>
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+  [93]=>
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+  [94]=>
+  int(0)
+  [95]=>
+  int(0)
+  [96]=>
+  int(0)
+  [97]=>
+  int(5)
+  [98]=>
+  int(1)
+  [99]=>
+  int(2)
+  [100]=>
+  int(1)
+  [101]=>
+  int(3)
+  [102]=>
+  int(1)
+  [103]=>
+  int(1)
+  [104]=>
+  int(1)
+  [105]=>
+  int(4)
+  [106]=>
+  int(0)
+  [107]=>
+  int(0)
+  [108]=>
+  int(0)
+  [109]=>
+  int(1)
+  [110]=>
+  int(5)
+  [111]=>
+  int(3)
+  [112]=>
+  int(0)
+  [113]=>
+  int(0)
+  [114]=>
+  int(5)
+  [115]=>
+  int(3)
+  [116]=>
+  int(5)
+  [117]=>
+  int(3)
+  [118]=>
+  int(0)
+  [119]=>
+  int(0)
+  [120]=>
+  int(0)
+  [121]=>
+  int(0)
+  [122]=>
+  int(0)
+  [123]=>
+  int(0)
+  [124]=>
+  int(0)
+  [125]=>
+  int(0)
+  [126]=>
+  int(0)
+  [127]=>
+  int(0)
+  [128]=>
+  int(0)
+  [129]=>
+  int(0)
+  [130]=>
+  int(0)
+  [131]=>
+  int(0)
+  [132]=>
+  int(0)
+  [133]=>
+  int(0)
+  [134]=>
+  int(0)
+  [135]=>
+  int(0)
+  [136]=>
+  int(0)
+  [137]=>
+  int(0)
+  [138]=>
+  int(0)
+  [139]=>
+  int(0)
+  [140]=>
+  int(0)
+  [141]=>
+  int(0)
+  [142]=>
+  int(0)
+  [143]=>
+  int(0)
+  [144]=>
+  int(0)
+  [145]=>
+  int(0)
+  [146]=>
+  int(0)
+  [147]=>
+  int(0)
+  [148]=>
+  int(0)
+  [149]=>
+  int(0)
+  [150]=>
+  int(0)
+  [151]=>
+  int(0)
+  [152]=>
+  int(0)
+  [153]=>
+  int(0)
+  [154]=>
+  int(0)
+  [155]=>
+  int(0)
+  [156]=>
+  int(0)
+  [157]=>
+  int(0)
+  [158]=>
+  int(0)
+  [159]=>
+  int(0)
+  [160]=>
+  int(0)
+  [161]=>
+  int(0)
+  [162]=>
+  int(0)
+  [163]=>
+  int(0)
+  [164]=>
+  int(0)
+  [165]=>
+  int(0)
+  [166]=>
+  int(0)
+  [167]=>
+  int(0)
+  [168]=>
+  int(0)
+  [169]=>
+  int(0)
+  [170]=>
+  int(0)
+  [171]=>
+  int(0)
+  [172]=>
+  int(0)
+  [173]=>
+  int(0)
+  [174]=>
+  int(0)
+  [175]=>
+  int(0)
+  [176]=>
+  int(0)
+  [177]=>
+  int(0)
+  [178]=>
+  int(0)
+  [179]=>
+  int(0)
+  [180]=>
+  int(0)
+  [181]=>
+  int(0)
+  [182]=>
+  int(0)
+  [183]=>
+  int(0)
+  [184]=>
+  int(0)
+  [185]=>
+  int(0)
+  [186]=>
+  int(0)
+  [187]=>
+  int(0)
+  [188]=>
+  int(0)
+  [189]=>
+  int(0)
+  [190]=>
+  int(0)
+  [191]=>
+  int(0)
+  [192]=>
+  int(0)
+  [193]=>
+  int(0)
+  [194]=>
+  int(0)
+  [195]=>
+  int(0)
+  [196]=>
+  int(0)
+  [197]=>
+  int(0)
+  [198]=>
+  int(0)
+  [199]=>
+  int(0)
+  [200]=>
+  int(0)
+  [201]=>
+  int(0)
+  [202]=>
+  int(0)
+  [203]=>
+  int(0)
+  [204]=>
+  int(0)
+  [205]=>
+  int(0)
+  [206]=>
+  int(0)
+  [207]=>
+  int(0)
+  [208]=>
+  int(0)
+  [209]=>
+  int(0)
+  [210]=>
+  int(0)
+  [211]=>
+  int(0)
+  [212]=>
+  int(0)
+  [213]=>
+  int(0)
+  [214]=>
+  int(0)
+  [215]=>
+  int(0)
+  [216]=>
+  int(0)
+  [217]=>
+  int(0)
+  [218]=>
+  int(0)
+  [219]=>
+  int(0)
+  [220]=>
+  int(0)
+  [221]=>
+  int(0)
+  [222]=>
+  int(0)
+  [223]=>
+  int(0)
+  [224]=>
+  int(0)
+  [225]=>
+  int(0)
+  [226]=>
+  int(0)
+  [227]=>
+  int(0)
+  [228]=>
+  int(0)
+  [229]=>
+  int(0)
+  [230]=>
+  int(0)
+  [231]=>
+  int(0)
+  [232]=>
+  int(0)
+  [233]=>
+  int(0)
+  [234]=>
+  int(0)
+  [235]=>
+  int(0)
+  [236]=>
+  int(0)
+  [237]=>
+  int(0)
+  [238]=>
+  int(0)
+  [239]=>
+  int(0)
+  [240]=>
+  int(0)
+  [241]=>
+  int(0)
+  [242]=>
+  int(0)
+  [243]=>
+  int(0)
+  [244]=>
+  int(0)
+  [245]=>
+  int(0)
+  [246]=>
+  int(0)
+  [247]=>
+  int(0)
+  [248]=>
+  int(0)
+  [249]=>
+  int(0)
+  [250]=>
+  int(0)
+  [251]=>
+  int(0)
+  [252]=>
+  int(0)
+  [253]=>
+  int(0)
+  [254]=>
+  int(0)
+  [255]=>
+  int(0)
+}
+array(256) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(0)
+  [2]=>
+  int(0)
+  [3]=>
+  int(0)
+  [4]=>
+  int(0)
+  [5]=>
+  int(0)
+  [6]=>
+  int(0)
+  [7]=>
+  int(0)
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+  int(0)
+  [9]=>
+  int(0)
+  [10]=>
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+  [11]=>
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+  [12]=>
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+  [13]=>
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+  [14]=>
+  int(0)
+  [15]=>
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+  int(0)
+  [18]=>
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+  [19]=>
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+  [24]=>
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+  [25]=>
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+  [29]=>
+  int(0)
+  [30]=>
+  int(0)
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+  [32]=>
+  int(7)
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+  [40]=>
+  int(0)
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+  int(0)
+  [48]=>
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+  [50]=>
+  int(0)
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+  [54]=>
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+  [63]=>
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+  [70]=>
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+  [88]=>
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+  [94]=>
+  int(0)
+  [95]=>
+  int(0)
+  [96]=>
+  int(0)
+  [97]=>
+  int(5)
+  [98]=>
+  int(1)
+  [99]=>
+  int(2)
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+  int(1)
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+  int(3)
+  [102]=>
+  int(1)
+  [103]=>
+  int(1)
+  [104]=>
+  int(1)
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+  int(4)
+  [106]=>
+  int(0)
+  [107]=>
+  int(0)
+  [108]=>
+  int(0)
+  [109]=>
+  int(1)
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+  int(5)
+  [111]=>
+  int(3)
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+  int(0)
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+  int(0)
+  [114]=>
+  int(5)
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+  int(3)
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+  int(5)
+  [117]=>
+  int(3)
+  [118]=>
+  int(0)
+  [119]=>
+  int(0)
+  [120]=>
+  int(0)
+  [121]=>
+  int(0)
+  [122]=>
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+  int(0)
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+  int(0)
+  [125]=>
+  int(0)
+  [126]=>
+  int(0)
+  [127]=>
+  int(0)
+  [128]=>
+  int(0)
+  [129]=>
+  int(0)
+  [130]=>
+  int(0)
+  [131]=>
+  int(0)
+  [132]=>
+  int(0)
+  [133]=>
+  int(0)
+  [134]=>
+  int(0)
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+  int(0)
+  [136]=>
+  int(0)
+  [137]=>
+  int(0)
+  [138]=>
+  int(0)
+  [139]=>
+  int(0)
+  [140]=>
+  int(0)
+  [141]=>
+  int(0)
+  [142]=>
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+  [143]=>
+  int(0)
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+  int(0)
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+  int(0)
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+  int(0)
+  [147]=>
+  int(0)
+  [148]=>
+  int(0)
+  [149]=>
+  int(0)
+  [150]=>
+  int(0)
+  [151]=>
+  int(0)
+  [152]=>
+  int(0)
+  [153]=>
+  int(0)
+  [154]=>
+  int(0)
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+  int(0)
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+  int(0)
+  [157]=>
+  int(0)
+  [158]=>
+  int(0)
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+  int(0)
+  [160]=>
+  int(0)
+  [161]=>
+  int(0)
+  [162]=>
+  int(0)
+  [163]=>
+  int(0)
+  [164]=>
+  int(0)
+  [165]=>
+  int(0)
+  [166]=>
+  int(0)
+  [167]=>
+  int(0)
+  [168]=>
+  int(0)
+  [169]=>
+  int(0)
+  [170]=>
+  int(0)
+  [171]=>
+  int(0)
+  [172]=>
+  int(0)
+  [173]=>
+  int(0)
+  [174]=>
+  int(0)
+  [175]=>
+  int(0)
+  [176]=>
+  int(0)
+  [177]=>
+  int(0)
+  [178]=>
+  int(0)
+  [179]=>
+  int(0)
+  [180]=>
+  int(0)
+  [181]=>
+  int(0)
+  [182]=>
+  int(0)
+  [183]=>
+  int(0)
+  [184]=>
+  int(0)
+  [185]=>
+  int(0)
+  [186]=>
+  int(0)
+  [187]=>
+  int(0)
+  [188]=>
+  int(0)
+  [189]=>
+  int(0)
+  [190]=>
+  int(0)
+  [191]=>
+  int(0)
+  [192]=>
+  int(0)
+  [193]=>
+  int(0)
+  [194]=>
+  int(0)
+  [195]=>
+  int(0)
+  [196]=>
+  int(0)
+  [197]=>
+  int(0)
+  [198]=>
+  int(0)
+  [199]=>
+  int(0)
+  [200]=>
+  int(0)
+  [201]=>
+  int(0)
+  [202]=>
+  int(0)
+  [203]=>
+  int(0)
+  [204]=>
+  int(0)
+  [205]=>
+  int(0)
+  [206]=>
+  int(0)
+  [207]=>
+  int(0)
+  [208]=>
+  int(0)
+  [209]=>
+  int(0)
+  [210]=>
+  int(0)
+  [211]=>
+  int(0)
+  [212]=>
+  int(0)
+  [213]=>
+  int(0)
+  [214]=>
+  int(0)
+  [215]=>
+  int(0)
+  [216]=>
+  int(0)
+  [217]=>
+  int(0)
+  [218]=>
+  int(0)
+  [219]=>
+  int(0)
+  [220]=>
+  int(0)
+  [221]=>
+  int(0)
+  [222]=>
+  int(0)
+  [223]=>
+  int(0)
+  [224]=>
+  int(0)
+  [225]=>
+  int(0)
+  [226]=>
+  int(0)
+  [227]=>
+  int(0)
+  [228]=>
+  int(0)
+  [229]=>
+  int(0)
+  [230]=>
+  int(0)
+  [231]=>
+  int(0)
+  [232]=>
+  int(0)
+  [233]=>
+  int(0)
+  [234]=>
+  int(0)
+  [235]=>
+  int(0)
+  [236]=>
+  int(0)
+  [237]=>
+  int(0)
+  [238]=>
+  int(0)
+  [239]=>
+  int(0)
+  [240]=>
+  int(0)
+  [241]=>
+  int(0)
+  [242]=>
+  int(0)
+  [243]=>
+  int(0)
+  [244]=>
+  int(0)
+  [245]=>
+  int(0)
+  [246]=>
+  int(0)
+  [247]=>
+  int(0)
+  [248]=>
+  int(0)
+  [249]=>
+  int(0)
+  [250]=>
+  int(0)
+  [251]=>
+  int(0)
+  [252]=>
+  int(0)
+  [253]=>
+  int(0)
+  [254]=>
+  int(0)
+  [255]=>
+  int(0)
+}
+array(18) {
+  [32]=>
+  int(7)
+  [82]=>
+  int(1)
+  [97]=>
+  int(5)
+  [98]=>
+  int(1)
+  [99]=>
+  int(2)
+  [100]=>
+  int(1)
+  [101]=>
+  int(3)
+  [102]=>
+  int(1)
+  [103]=>
+  int(1)
+  [104]=>
+  int(1)
+  [105]=>
+  int(4)
+  [109]=>
+  int(1)
+  [110]=>
+  int(5)
+  [111]=>
+  int(3)
+  [114]=>
+  int(5)
+  [115]=>
+  int(3)
+  [116]=>
+  int(5)
+  [117]=>
+  int(3)
+}
+array(238) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(0)
+  [2]=>
+  int(0)
+  [3]=>
+  int(0)
+  [4]=>
+  int(0)
+  [5]=>
+  int(0)
+  [6]=>
+  int(0)
+  [7]=>
+  int(0)
+  [8]=>
+  int(0)
+  [9]=>
+  int(0)
+  [10]=>
+  int(0)
+  [11]=>
+  int(0)
+  [12]=>
+  int(0)
+  [13]=>
+  int(0)
+  [14]=>
+  int(0)
+  [15]=>
+  int(0)
+  [16]=>
+  int(0)
+  [17]=>
+  int(0)
+  [18]=>
+  int(0)
+  [19]=>
+  int(0)
+  [20]=>
+  int(0)
+  [21]=>
+  int(0)
+  [22]=>
+  int(0)
+  [23]=>
+  int(0)
+  [24]=>
+  int(0)
+  [25]=>
+  int(0)
+  [26]=>
+  int(0)
+  [27]=>
+  int(0)
+  [28]=>
+  int(0)
+  [29]=>
+  int(0)
+  [30]=>
+  int(0)
+  [31]=>
+  int(0)
+  [33]=>
+  int(0)
+  [34]=>
+  int(0)
+  [35]=>
+  int(0)
+  [36]=>
+  int(0)
+  [37]=>
+  int(0)
+  [38]=>
+  int(0)
+  [39]=>
+  int(0)
+  [40]=>
+  int(0)
+  [41]=>
+  int(0)
+  [42]=>
+  int(0)
+  [43]=>
+  int(0)
+  [44]=>
+  int(0)
+  [45]=>
+  int(0)
+  [46]=>
+  int(0)
+  [47]=>
+  int(0)
+  [48]=>
+  int(0)
+  [49]=>
+  int(0)
+  [50]=>
+  int(0)
+  [51]=>
+  int(0)
+  [52]=>
+  int(0)
+  [53]=>
+  int(0)
+  [54]=>
+  int(0)
+  [55]=>
+  int(0)
+  [56]=>
+  int(0)
+  [57]=>
+  int(0)
+  [58]=>
+  int(0)
+  [59]=>
+  int(0)
+  [60]=>
+  int(0)
+  [61]=>
+  int(0)
+  [62]=>
+  int(0)
+  [63]=>
+  int(0)
+  [64]=>
+  int(0)
+  [65]=>
+  int(0)
+  [66]=>
+  int(0)
+  [67]=>
+  int(0)
+  [68]=>
+  int(0)
+  [69]=>
+  int(0)
+  [70]=>
+  int(0)
+  [71]=>
+  int(0)
+  [72]=>
+  int(0)
+  [73]=>
+  int(0)
+  [74]=>
+  int(0)
+  [75]=>
+  int(0)
+  [76]=>
+  int(0)
+  [77]=>
+  int(0)
+  [78]=>
+  int(0)
+  [79]=>
+  int(0)
+  [80]=>
+  int(0)
+  [81]=>
+  int(0)
+  [83]=>
+  int(0)
+  [84]=>
+  int(0)
+  [85]=>
+  int(0)
+  [86]=>
+  int(0)
+  [87]=>
+  int(0)
+  [88]=>
+  int(0)
+  [89]=>
+  int(0)
+  [90]=>
+  int(0)
+  [91]=>
+  int(0)
+  [92]=>
+  int(0)
+  [93]=>
+  int(0)
+  [94]=>
+  int(0)
+  [95]=>
+  int(0)
+  [96]=>
+  int(0)
+  [106]=>
+  int(0)
+  [107]=>
+  int(0)
+  [108]=>
+  int(0)
+  [112]=>
+  int(0)
+  [113]=>
+  int(0)
+  [118]=>
+  int(0)
+  [119]=>
+  int(0)
+  [120]=>
+  int(0)
+  [121]=>
+  int(0)
+  [122]=>
+  int(0)
+  [123]=>
+  int(0)
+  [124]=>
+  int(0)
+  [125]=>
+  int(0)
+  [126]=>
+  int(0)
+  [127]=>
+  int(0)
+  [128]=>
+  int(0)
+  [129]=>
+  int(0)
+  [130]=>
+  int(0)
+  [131]=>
+  int(0)
+  [132]=>
+  int(0)
+  [133]=>
+  int(0)
+  [134]=>
+  int(0)
+  [135]=>
+  int(0)
+  [136]=>
+  int(0)
+  [137]=>
+  int(0)
+  [138]=>
+  int(0)
+  [139]=>
+  int(0)
+  [140]=>
+  int(0)
+  [141]=>
+  int(0)
+  [142]=>
+  int(0)
+  [143]=>
+  int(0)
+  [144]=>
+  int(0)
+  [145]=>
+  int(0)
+  [146]=>
+  int(0)
+  [147]=>
+  int(0)
+  [148]=>
+  int(0)
+  [149]=>
+  int(0)
+  [150]=>
+  int(0)
+  [151]=>
+  int(0)
+  [152]=>
+  int(0)
+  [153]=>
+  int(0)
+  [154]=>
+  int(0)
+  [155]=>
+  int(0)
+  [156]=>
+  int(0)
+  [157]=>
+  int(0)
+  [158]=>
+  int(0)
+  [159]=>
+  int(0)
+  [160]=>
+  int(0)
+  [161]=>
+  int(0)
+  [162]=>
+  int(0)
+  [163]=>
+  int(0)
+  [164]=>
+  int(0)
+  [165]=>
+  int(0)
+  [166]=>
+  int(0)
+  [167]=>
+  int(0)
+  [168]=>
+  int(0)
+  [169]=>
+  int(0)
+  [170]=>
+  int(0)
+  [171]=>
+  int(0)
+  [172]=>
+  int(0)
+  [173]=>
+  int(0)
+  [174]=>
+  int(0)
+  [175]=>
+  int(0)
+  [176]=>
+  int(0)
+  [177]=>
+  int(0)
+  [178]=>
+  int(0)
+  [179]=>
+  int(0)
+  [180]=>
+  int(0)
+  [181]=>
+  int(0)
+  [182]=>
+  int(0)
+  [183]=>
+  int(0)
+  [184]=>
+  int(0)
+  [185]=>
+  int(0)
+  [186]=>
+  int(0)
+  [187]=>
+  int(0)
+  [188]=>
+  int(0)
+  [189]=>
+  int(0)
+  [190]=>
+  int(0)
+  [191]=>
+  int(0)
+  [192]=>
+  int(0)
+  [193]=>
+  int(0)
+  [194]=>
+  int(0)
+  [195]=>
+  int(0)
+  [196]=>
+  int(0)
+  [197]=>
+  int(0)
+  [198]=>
+  int(0)
+  [199]=>
+  int(0)
+  [200]=>
+  int(0)
+  [201]=>
+  int(0)
+  [202]=>
+  int(0)
+  [203]=>
+  int(0)
+  [204]=>
+  int(0)
+  [205]=>
+  int(0)
+  [206]=>
+  int(0)
+  [207]=>
+  int(0)
+  [208]=>
+  int(0)
+  [209]=>
+  int(0)
+  [210]=>
+  int(0)
+  [211]=>
+  int(0)
+  [212]=>
+  int(0)
+  [213]=>
+  int(0)
+  [214]=>
+  int(0)
+  [215]=>
+  int(0)
+  [216]=>
+  int(0)
+  [217]=>
+  int(0)
+  [218]=>
+  int(0)
+  [219]=>
+  int(0)
+  [220]=>
+  int(0)
+  [221]=>
+  int(0)
+  [222]=>
+  int(0)
+  [223]=>
+  int(0)
+  [224]=>
+  int(0)
+  [225]=>
+  int(0)
+  [226]=>
+  int(0)
+  [227]=>
+  int(0)
+  [228]=>
+  int(0)
+  [229]=>
+  int(0)
+  [230]=>
+  int(0)
+  [231]=>
+  int(0)
+  [232]=>
+  int(0)
+  [233]=>
+  int(0)
+  [234]=>
+  int(0)
+  [235]=>
+  int(0)
+  [236]=>
+  int(0)
+  [237]=>
+  int(0)
+  [238]=>
+  int(0)
+  [239]=>
+  int(0)
+  [240]=>
+  int(0)
+  [241]=>
+  int(0)
+  [242]=>
+  int(0)
+  [243]=>
+  int(0)
+  [244]=>
+  int(0)
+  [245]=>
+  int(0)
+  [246]=>
+  int(0)
+  [247]=>
+  int(0)
+  [248]=>
+  int(0)
+  [249]=>
+  int(0)
+  [250]=>
+  int(0)
+  [251]=>
+  int(0)
+  [252]=>
+  int(0)
+  [253]=>
+  int(0)
+  [254]=>
+  int(0)
+  [255]=>
+  int(0)
+}
+string(18) " Rabcdefghimnorstu"
+string(476) "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f2122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f5051535455565758595a5b5c5d5e5f606a6b6c7071767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"
+===DONE===
diff --git a/ext/standard/tests/strings/count_chars_error.phpt b/ext/standard/tests/strings/count_chars_error.phpt
new file mode 100644
index 0000000000..68510be53f
--- /dev/null
+++ b/ext/standard/tests/strings/count_chars_error.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test count_chars() function : error conditions
+--FILE--
+<?php
+
+/* Prototype  : mixed count_chars  ( string $string  [, int $mode  ] )
+ * Description: Return information about characters used in a string
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing count_chars() : error conditions ***\n";
+
+echo "\n-- Testing count_chars() function with no arguments --\n";
+var_dump( count_chars() );
+
+echo "\n-- Testing count_chars() function with more than expected no. of arguments --\n";
+$string = "Hello World\n"; 
+$mode = 1;
+$extra_arg = 10;
+var_dump( count_chars($string, $mode, $extra_arg) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing count_chars() : error conditions ***
+
+-- Testing count_chars() function with no arguments --
+
+Warning: Wrong parameter count for count_chars() in %s on line %d
+NULL
+
+-- Testing count_chars() function with more than expected no. of arguments --
+
+Warning: Wrong parameter count for count_chars() in %s on line %d
+NULL
+===DONE===
diff --git a/ext/standard/tests/strings/count_chars_variation1.phpt b/ext/standard/tests/strings/count_chars_variation1.phpt
new file mode 100644
index 0000000000..a4480a182d
--- /dev/null
+++ b/ext/standard/tests/strings/count_chars_variation1.phpt
@@ -0,0 +1,289 @@
+--TEST--
+Test count_chars() function : usage variations - test values for $string argument
+--FILE--
+<?php
+
+/* Prototype  : mixed count_chars  ( string $string  [, int $mode  ] )
+ * Description: Return information about characters used in a string
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing count_chars() function: with unexpected inputs for 'string' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+			  // integer values
+/* 1 */		  0,
+			  1,
+			  255,
+			  256,
+	    	  2147483647,
+		 	 -2147483648,
+			
+			  // float values
+/* 7 */		  10.5,
+			  -20.5,
+			  10.1234567e10,
+			
+			  // array values
+/* 10 */	  array(),
+			  array(0),
+			  array(1, 2),
+			
+			  // boolean values
+/* 13 */	  true,
+			  false,
+			  TRUE,
+			  FALSE,
+			
+			  // null values
+/* 17 */	  NULL,
+			  null,
+			
+			  // objects
+/* 19 */	  new sample(),
+			
+			  // resource
+/* 20 */	  $file_handle,
+			
+			  // undefined variable
+/* 21 */	  @$undefined_var,
+			
+			  // unset variable
+/* 22 */	  @$unset_var
+);
+
+// loop through with each element of the $inputs array to test count_chars() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  // only list characters with a frequency > 0
+  var_dump(count_chars($input, 1));
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing count_chars() function: with unexpected inputs for 'string' argument ***
+-- Iteration 1 --
+array(1) {
+  [48]=>
+  int(1)
+}
+-- Iteration 2 --
+array(1) {
+  [49]=>
+  int(1)
+}
+-- Iteration 3 --
+array(2) {
+  [50]=>
+  int(1)
+  [53]=>
+  int(2)
+}
+-- Iteration 4 --
+array(3) {
+  [50]=>
+  int(1)
+  [53]=>
+  int(1)
+  [54]=>
+  int(1)
+}
+-- Iteration 5 --
+array(7) {
+  [49]=>
+  int(1)
+  [50]=>
+  int(1)
+  [51]=>
+  int(1)
+  [52]=>
+  int(3)
+  [54]=>
+  int(1)
+  [55]=>
+  int(2)
+  [56]=>
+  int(1)
+}
+-- Iteration 6 --
+array(8) {
+  [45]=>
+  int(1)
+  [49]=>
+  int(1)
+  [50]=>
+  int(1)
+  [51]=>
+  int(1)
+  [52]=>
+  int(3)
+  [54]=>
+  int(1)
+  [55]=>
+  int(1)
+  [56]=>
+  int(2)
+}
+-- Iteration 7 --
+array(4) {
+  [46]=>
+  int(1)
+  [48]=>
+  int(1)
+  [49]=>
+  int(1)
+  [53]=>
+  int(1)
+}
+-- Iteration 8 --
+array(5) {
+  [45]=>
+  int(1)
+  [46]=>
+  int(1)
+  [48]=>
+  int(1)
+  [50]=>
+  int(1)
+  [53]=>
+  int(1)
+}
+-- Iteration 9 --
+array(8) {
+  [48]=>
+  int(4)
+  [49]=>
+  int(2)
+  [50]=>
+  int(1)
+  [51]=>
+  int(1)
+  [52]=>
+  int(1)
+  [53]=>
+  int(1)
+  [54]=>
+  int(1)
+  [55]=>
+  int(1)
+}
+-- Iteration 10 --
+
+Notice: Array to string conversion in %s on line %d
+array(4) {
+  [65]=>
+  int(1)
+  [97]=>
+  int(1)
+  [114]=>
+  int(2)
+  [121]=>
+  int(1)
+}
+-- Iteration 11 --
+
+Notice: Array to string conversion in %s on line %d
+array(4) {
+  [65]=>
+  int(1)
+  [97]=>
+  int(1)
+  [114]=>
+  int(2)
+  [121]=>
+  int(1)
+}
+-- Iteration 12 --
+
+Notice: Array to string conversion in %s on line %d
+array(4) {
+  [65]=>
+  int(1)
+  [97]=>
+  int(1)
+  [114]=>
+  int(2)
+  [121]=>
+  int(1)
+}
+-- Iteration 13 --
+array(1) {
+  [49]=>
+  int(1)
+}
+-- Iteration 14 --
+array(0) {
+}
+-- Iteration 15 --
+array(1) {
+  [49]=>
+  int(1)
+}
+-- Iteration 16 --
+array(0) {
+}
+-- Iteration 17 --
+array(0) {
+}
+-- Iteration 18 --
+array(0) {
+}
+-- Iteration 19 --
+array(12) {
+  [32]=>
+  int(1)
+  [97]=>
+  int(1)
+  [98]=>
+  int(1)
+  [99]=>
+  int(1)
+  [101]=>
+  int(2)
+  [106]=>
+  int(1)
+  [108]=>
+  int(1)
+  [109]=>
+  int(1)
+  [111]=>
+  int(1)
+  [112]=>
+  int(1)
+  [115]=>
+  int(1)
+  [116]=>
+  int(1)
+}
+-- Iteration 20 --
+array(%d) {
+ %a
+}
+-- Iteration 21 --
+array(0) {
+}
+-- Iteration 22 --
+array(0) {
+}
+===DONE===
diff --git a/ext/standard/tests/strings/count_chars_variation2.phpt b/ext/standard/tests/strings/count_chars_variation2.phpt
new file mode 100644
index 0000000000..103c398267
--- /dev/null
+++ b/ext/standard/tests/strings/count_chars_variation2.phpt
@@ -0,0 +1,150 @@
+--TEST--
+Test count_chars() function : usage variations - test values for $mode argument
+--FILE--
+<?php
+
+/* Prototype  : mixed count_chars  ( string $string  [, int $mode  ] )
+ * Description: Return information about characters used in a string
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing count_chars() function: with unexpected inputs for 'mode' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+}
+
+// array with different values for $input
+$inputs =  array (
+
+			  // integer values
+/* 1 */		  0,
+			  1,
+			  255,
+			  2147483647,
+		      -2147483648,
+			
+			  // float values
+/* 6 */		  0.0,
+			  1.3,
+			  10.5,
+			  -20.5,
+			  10.1234567e10,
+			
+			  // array values
+/* 11 */	  array(),
+			  array(1, 2, 3, 4, 5, 6, 7, 8, 9),
+			
+			  // boolean values
+/* 14 */	  true,
+			  false,
+			  TRUE,
+			  FALSE,
+			
+			  // null values
+/* 18 */	  NULL,
+			  null,
+			  
+			  // string values
+/* 20 */	  "ABCD",
+			  'abcd',
+			  "1ABC",
+			  "5ABC",
+			  
+			  // objects
+/* 24 */ 	  new sample(),
+			
+			   // undefined variable
+/* 25 */	  @$undefined_var,
+			
+			  // unset variable
+/* 26 */	  @$unset_var
+);
+
+// loop through with each element of the $inputs array to test count_chars() function
+// with unexepcted values for the 'mode' argument
+$count = 1;
+$string = "Return information about characters used in a string";
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  // only list characters with a frequency > 0
+  var_dump(is_array(count_chars($string, $input)));
+  $count ++;
+}
+
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing count_chars() function: with unexpected inputs for 'mode' argument ***
+-- Iteration 1 --
+bool(true)
+-- Iteration 2 --
+bool(true)
+-- Iteration 3 --
+
+Warning: count_chars(): Unknown mode in %s on line %d
+bool(false)
+-- Iteration 4 --
+
+Warning: count_chars(): Unknown mode in %s on line %d
+bool(false)
+-- Iteration 5 --
+
+Warning: count_chars(): Unknown mode in %s on line %d
+bool(false)
+-- Iteration 6 --
+bool(true)
+-- Iteration 7 --
+bool(true)
+-- Iteration 8 --
+
+Warning: count_chars(): Unknown mode in %s on line %d
+bool(false)
+-- Iteration 9 --
+
+Warning: count_chars(): Unknown mode in %s on line %d
+bool(false)
+-- Iteration 10 --
+
+Warning: count_chars(): Unknown mode in %s on line %d
+bool(false)
+-- Iteration 11 --
+bool(true)
+-- Iteration 12 --
+bool(true)
+-- Iteration 13 --
+bool(true)
+-- Iteration 14 --
+bool(true)
+-- Iteration 15 --
+bool(true)
+-- Iteration 16 --
+bool(true)
+-- Iteration 17 --
+bool(true)
+-- Iteration 18 --
+bool(true)
+-- Iteration 19 --
+bool(true)
+-- Iteration 20 --
+bool(true)
+-- Iteration 21 --
+bool(true)
+-- Iteration 22 --
+
+Warning: count_chars(): Unknown mode in %s on line %d
+bool(false)
+-- Iteration 23 --
+
+Notice: Object of class sample could not be converted to int in %s on line %d
+bool(true)
+-- Iteration 24 --
+bool(true)
+-- Iteration 25 --
+bool(true)
+===DONE===