--- /dev/null
+--TEST--
+Test array_combine() function : basic functionality
+--FILE--
+<?php
+/* Prototype : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ * and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+echo "*** Testing array_combine() : basic functionality ***\n";
+
+/* Different arrays for $keys and $values arguments */
+
+// array with default keys for $keys and $values arguments
+$keys_array = array(1, 2);
+$values_array = array(3,4);
+var_dump( array_combine($keys_array, $values_array) );
+
+// associative arrays for $keys and $values arguments
+$keys_array = array(1 => "a", 2 => 'b');
+$values_array = array(3 => 'c', 4 => "d");
+var_dump( array_combine($keys_array, $values_array) );
+
+// mixed array for $keys and $values arguments
+$keys_array = array(1, 2 => "b");
+$values_array = array(3 => 'c', 4);
+var_dump( array_combine($keys_array, $values_array) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : basic functionality ***
+array(2) {
+ [1]=>
+ int(3)
+ [2]=>
+ int(4)
+}
+array(2) {
+ ["a"]=>
+ string(1) "c"
+ ["b"]=>
+ string(1) "d"
+}
+array(2) {
+ [1]=>
+ string(1) "c"
+ ["b"]=>
+ int(4)
+}
+Done
--- /dev/null
+--TEST--
+Test array_combine() function : error conditions
+--FILE--
+<?php
+/* Prototype : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ * and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+echo "*** Testing array_combine() : error conditions ***\n";
+
+// Zero arguments
+echo "\n-- Testing array_combine() function with Zero arguments --\n";
+var_dump( array_combine() );
+
+//Test array_combine with one more than the expected number of arguments
+echo "\n-- Testing array_combine() function with more than expected no. of arguments --\n";
+$keys = array(1, 2);
+$values = array(1, 2);
+$extra_arg = 10;
+var_dump( array_combine($keys,$values, $extra_arg) );
+
+// Testing array_combine with one less than the expected number of arguments
+echo "\n-- Testing array_combine() function with less than expected no. of arguments --\n";
+$keys = array(1, 2);
+var_dump( array_combine($keys) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : error conditions ***
+
+-- Testing array_combine() function with Zero arguments --
+
+Warning: array_combine() expects exactly 2 parameters, 0 given in %s on line %d
+NULL
+
+-- Testing array_combine() function with more than expected no. of arguments --
+
+Warning: array_combine() expects exactly 2 parameters, 3 given in %s on line %d
+NULL
+
+-- Testing array_combine() function with less than expected no. of arguments --
+
+Warning: array_combine() expects exactly 2 parameters, 1 given in %s on line %d
+NULL
+Done
--- /dev/null
+--TEST--
+Test array_combine() function : error conditions - empty array
+--FILE--
+<?php
+/* Prototype : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ * and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+echo "*** Testing array_combine() : error conditions specific to array_combine() ***\n";
+
+// Testing array_combine by passing empty arrays to $keys and $values arguments
+echo "\n-- Testing array_combine() function with empty arrays --\n";
+var_dump( array_combine(array(), array()) );
+
+// Testing array_combine by passing empty array to $keys
+echo "\n-- Testing array_combine() function with empty array for \$keys argument --\n";
+var_dump( array_combine(array(), array(1, 2)) );
+
+// Testing array_combine by passing empty array to $values
+echo "\n-- Testing array_combine() function with empty array for \$values argument --\n";
+var_dump( array_combine(array(1, 2), array()) );
+
+// Testing array_combine with arrays having unequal number of elements
+echo "\n-- Testing array_combine() function by passing array with unequal number of elements --\n";
+var_dump( array_combine(array(1, 2), array(1, 2, 3)) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : error conditions specific to array_combine() ***
+
+-- Testing array_combine() function with empty arrays --
+
+Warning: array_combine(): Both parameters should have at least 1 element in %s on line %d
+bool(false)
+
+-- Testing array_combine() function with empty array for $keys argument --
+
+Warning: array_combine(): Both parameters should have an equal number of elements in %s on line %d
+bool(false)
+
+-- Testing array_combine() function with empty array for $values argument --
+
+Warning: array_combine(): Both parameters should have an equal number of elements in %s on line %d
+bool(false)
+
+-- Testing array_combine() function by passing array with unequal number of elements --
+
+Warning: array_combine(): Both parameters should have an equal number of elements in %s on line %d
+bool(false)
+Done
--- /dev/null
+--TEST--
+Test array_combine() function : usage variations - unexpected values for 'keys' argument
+--FILE--
+<?php
+/* Prototype : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ * and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing array_combine() function by passing values to $keys argument other than arrays
+* and see that function emits proper warning messages wherever expected.
+* The $values argument passed is a fixed array.
+*/
+
+echo "*** Testing array_combine() : Passing non-array values to \$keys argument ***\n";
+
+// Initialise $values argument
+$values = array(1, 2);
+
+//get an unset variable
+$unset_var = 10;
+unset($unset_var);
+
+// get a class
+class classA
+{
+ public function __toString() {
+ return "Class A object";
+ }
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// unexpected values to be passed to $keys argument
+$keys_passed = array(
+
+ // int data
+/*1*/ 0,
+ 1,
+ 12345,
+ -2345,
+
+ // float data
+/*5*/ 10.5,
+ -10.5,
+ 12.3456789000e10,
+ 12.3456789000E-10,
+ .5,
+
+ // null data
+/*10*/ NULL,
+ null,
+
+ // boolean data
+/*12*/ true,
+ false,
+ TRUE,
+ FALSE,
+
+ // empty data
+/*16*/ "",
+ '',
+
+ // string data
+/*18*/ "string",
+ 'string',
+ $heredoc,
+
+ // object data
+/*21*/ new classA(),
+
+ // undefined data
+/*22*/ @$undefined_var,
+
+ // unset data
+/*23*/ @$unset_var,
+
+ // resource variable
+/*24*/ $fp
+);
+
+// loop through each element within $keys_passed to check the behavior of array_combine()
+$iterator = 1;
+foreach($keys_passed as $keys) {
+ echo "-- Iteration $iterator --\n";
+ var_dump( array_combine($keys,$values) );
+ $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : Passing non-array values to $keys argument ***
+-- Iteration 1 --
+
+Warning: array_combine() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+-- Iteration 2 --
+
+Warning: array_combine() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+-- Iteration 3 --
+
+Warning: array_combine() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+-- Iteration 4 --
+
+Warning: array_combine() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+-- Iteration 5 --
+
+Warning: array_combine() expects parameter 1 to be array, double given in %s on line %d
+NULL
+-- Iteration 6 --
+
+Warning: array_combine() expects parameter 1 to be array, double given in %s on line %d
+NULL
+-- Iteration 7 --
+
+Warning: array_combine() expects parameter 1 to be array, double given in %s on line %d
+NULL
+-- Iteration 8 --
+
+Warning: array_combine() expects parameter 1 to be array, double given in %s on line %d
+NULL
+-- Iteration 9 --
+
+Warning: array_combine() expects parameter 1 to be array, double given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: array_combine() expects parameter 1 to be array, null given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: array_combine() expects parameter 1 to be array, null given in %s on line %d
+NULL
+-- Iteration 12 --
+
+Warning: array_combine() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 13 --
+
+Warning: array_combine() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 14 --
+
+Warning: array_combine() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 15 --
+
+Warning: array_combine() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 16 --
+
+Warning: array_combine() expects parameter 1 to be array, string given in %s on line %d
+NULL
+-- Iteration 17 --
+
+Warning: array_combine() expects parameter 1 to be array, string given in %s on line %d
+NULL
+-- Iteration 18 --
+
+Warning: array_combine() expects parameter 1 to be array, string given in %s on line %d
+NULL
+-- Iteration 19 --
+
+Warning: array_combine() expects parameter 1 to be array, string given in %s on line %d
+NULL
+-- Iteration 20 --
+
+Warning: array_combine() expects parameter 1 to be array, string given in %s on line %d
+NULL
+-- Iteration 21 --
+
+Warning: array_combine() expects parameter 1 to be array, object given in %s on line %d
+NULL
+-- Iteration 22 --
+
+Warning: array_combine() expects parameter 1 to be array, null given in %s on line %d
+NULL
+-- Iteration 23 --
+
+Warning: array_combine() expects parameter 1 to be array, null given in %s on line %d
+NULL
+-- Iteration 24 --
+
+Warning: array_combine() expects parameter 1 to be array, resource given in %s on line %d
+NULL
+Done
--- /dev/null
+--TEST--
+Test array_combine() function : usage variations - unexpected values for 'values' argument
+--FILE--
+<?php
+/* Prototype : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ * and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing array_combine() function by passing values to $values argument other than arrays
+* and see that function emits proper warning messages wherever expected.
+* The $keys argument passed is a fixed array.
+*/
+
+echo "*** Testing array_combine() : Passing non-array values to \$values argument ***\n";
+
+// Initialize $keys array
+$keys = array(1, 2);
+
+//get an unset variable
+$unset_var = 10;
+unset($unset_var);
+
+// get a class
+class classA
+{
+ public function __toString() {
+ return "Class A object";
+ }
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// unexpected values to be passed to $values argument
+$values_passed = array(
+
+ // int data
+/*1*/ 0,
+ 1,
+ 12345,
+ -2345,
+
+ // float data
+/*5*/ 10.5,
+ -10.5,
+ 12.3456789000e10,
+ 12.3456789000E-10,
+ .5,
+
+ // null data
+/*10*/ NULL,
+ null,
+
+ // boolean data
+/*12*/ true,
+ false,
+ TRUE,
+ FALSE,
+
+ // empty data
+/*16*/ "",
+ '',
+
+ // string data
+/*18*/ "string",
+ 'string',
+ $heredoc,
+
+ // object data
+/*21*/ new classA(),
+
+ // undefined data
+/*22*/ @$undefined_var,
+
+ // unset data
+/*23*/ @$unset_var,
+
+ // resource variable
+/*24*/ $fp
+);
+
+// loop through each element within $values_passed to check the behavior of array_combine()
+$iterator = 1;
+foreach($values_passed as $values) {
+ echo "-- Iteration $iterator --\n";
+ var_dump( array_combine($keys,$values) );
+ $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : Passing non-array values to $values argument ***
+-- Iteration 1 --
+
+Warning: array_combine() expects parameter 2 to be array, integer given in %s on line %d
+NULL
+-- Iteration 2 --
+
+Warning: array_combine() expects parameter 2 to be array, integer given in %s on line %d
+NULL
+-- Iteration 3 --
+
+Warning: array_combine() expects parameter 2 to be array, integer given in %s on line %d
+NULL
+-- Iteration 4 --
+
+Warning: array_combine() expects parameter 2 to be array, integer given in %s on line %d
+NULL
+-- Iteration 5 --
+
+Warning: array_combine() expects parameter 2 to be array, double given in %s on line %d
+NULL
+-- Iteration 6 --
+
+Warning: array_combine() expects parameter 2 to be array, double given in %s on line %d
+NULL
+-- Iteration 7 --
+
+Warning: array_combine() expects parameter 2 to be array, double given in %s on line %d
+NULL
+-- Iteration 8 --
+
+Warning: array_combine() expects parameter 2 to be array, double given in %s on line %d
+NULL
+-- Iteration 9 --
+
+Warning: array_combine() expects parameter 2 to be array, double given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: array_combine() expects parameter 2 to be array, null given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: array_combine() expects parameter 2 to be array, null given in %s on line %d
+NULL
+-- Iteration 12 --
+
+Warning: array_combine() expects parameter 2 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 13 --
+
+Warning: array_combine() expects parameter 2 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 14 --
+
+Warning: array_combine() expects parameter 2 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 15 --
+
+Warning: array_combine() expects parameter 2 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 16 --
+
+Warning: array_combine() expects parameter 2 to be array, string given in %s on line %d
+NULL
+-- Iteration 17 --
+
+Warning: array_combine() expects parameter 2 to be array, string given in %s on line %d
+NULL
+-- Iteration 18 --
+
+Warning: array_combine() expects parameter 2 to be array, string given in %s on line %d
+NULL
+-- Iteration 19 --
+
+Warning: array_combine() expects parameter 2 to be array, string given in %s on line %d
+NULL
+-- Iteration 20 --
+
+Warning: array_combine() expects parameter 2 to be array, string given in %s on line %d
+NULL
+-- Iteration 21 --
+
+Warning: array_combine() expects parameter 2 to be array, object given in %s on line %d
+NULL
+-- Iteration 22 --
+
+Warning: array_combine() expects parameter 2 to be array, null given in %s on line %d
+NULL
+-- Iteration 23 --
+
+Warning: array_combine() expects parameter 2 to be array, null given in %s on line %d
+NULL
+-- Iteration 24 --
+
+Warning: array_combine() expects parameter 2 to be array, resource given in %s on line %d
+NULL
+Done
--- /dev/null
+--TEST--
+Test array_combine() function : usage variations - different arrays
+--FILE--
+<?php
+/* Prototype : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ * and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Passing different types of arrays to both $keys and $values arguments and testing whether
+* array_combine() behaves in an expected way with the arguments passed to the function
+*/
+
+echo "*** Testing array_combine() : Passing different types of arrays to both \$keys and \$values argument ***\n";
+/* Different heredoc strings passed as argument to arrays */
+// heredoc with blank line
+$blank_line = <<<EOT
+
+
+EOT;
+
+// heredoc with multiline string
+$multiline_string = <<<EOT
+hello world
+The quick brown fox jumped over;
+the lazy dog
+This is a double quoted string
+EOT;
+
+// heredoc with diferent whitespaces
+$diff_whitespaces = <<<EOT
+hello\r world\t
+1111\t\t != 2222\v\v
+heredoc\ndouble quoted string. with\vdifferent\fwhite\vspaces
+EOT;
+
+// heredoc with quoted strings and numeric values
+$numeric_string = <<<EOT
+11 < 12. 123 >22
+'single quoted string'
+"double quoted string"
+2222 != 1111.\t 0000 = 0000\n
+EOT;
+
+// arrays passed to $keys argument
+$arrays = array (
+/*1*/ array(1, 2), // with default keys and numeric values
+ array(1.1, 2.2), // with default keys & float values
+ array(false,true), // with default keys and boolean values
+ array(), // empty array
+/*5*/ array(NULL), // with NULL
+ array("a\v\f","aaaa\r","b","b\tbbb","c","\[\]\!\@\#\$\%\^\&\*\(\)\{\}"), // with double quoted strings
+ array('a\v\f','aaaa\r','b','b\tbbb','c','\[\]\!\@\#\$\%\^\&\*\(\)\{\}'), // with single quoted strings
+ array("h1" => $blank_line, "h2" => $multiline_string, "h3" => $diff_whitespaces, $numeric_string), // with heredocs
+
+ // associative arrays
+/*9*/ array(1 => "one", 2 => "two", 3 => "three"), // explicit numeric keys, string values
+ array("one" => 1, "two" => 2, "three" => 3 ), // string keys & numeric values
+ array( 1 => 10, 2 => 20, 4 => 40, 3 => 30), // explicit numeric keys and numeric values
+ array( "one" => "ten", "two" => "twenty", "three" => "thirty"), // string key/value
+ array("one" => 1, 2 => "two", 4 => "four"), //mixed
+
+ // associative array, containing null/empty/boolean values as key/value
+/*14*/ array(NULL => "NULL", null => "null", "NULL" => NULL, "null" => null),
+ array(true => "true", false => "false", "false" => false, "true" => true),
+ array("" => "emptyd", '' => 'emptys', "emptyd" => "", 'emptys' => ''),
+ array(1 => '', 2 => "", 3 => NULL, 4 => null, 5 => false, 6 => true),
+ array('' => 1, "" => 2, NULL => 3, null => 4, false => 5, true => 6),
+
+ // array with repetative keys
+/*19*/ array("One" => 1, "two" => 2, "One" => 10, "two" => 20, "three" => 3)
+);
+
+// loop through each sub-array within $arrays to check the behavior of array_combine()
+// same arrays are passed to both $keys and $values
+$iterator = 1;
+foreach($arrays as $array) {
+ echo "-- Iteration $iterator --\n";
+ var_dump( array_combine($array, $array) );
+ $iterator++;
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : Passing different types of arrays to both $keys and $values argument ***
+-- Iteration 1 --
+array(2) {
+ [1]=>
+ int(1)
+ [2]=>
+ int(2)
+}
+-- Iteration 2 --
+array(2) {
+ [1]=>
+ float(1.1)
+ [2]=>
+ float(2.2)
+}
+-- Iteration 3 --
+array(2) {
+ [""]=>
+ bool(false)
+ [1]=>
+ bool(true)
+}
+-- Iteration 4 --
+
+Warning: array_combine(): Both parameters should have at least 1 element in %s on line %d
+bool(false)
+-- Iteration 5 --
+array(1) {
+ [""]=>
+ NULL
+}
+-- Iteration 6 --
+array(6) {
+ ["a\v\f"]=>
+ string(3) "a\v\f"
+ ["aaaa
+"]=>
+ string(5) "aaaa
+"
+ ["b"]=>
+ string(1) "b"
+ ["b bbb"]=>
+ string(5) "b bbb"
+ ["c"]=>
+ string(1) "c"
+ ["\[\]\!\@\#$\%\^\&\*\(\)\{\}"]=>
+ string(27) "\[\]\!\@\#$\%\^\&\*\(\)\{\}"
+}
+-- Iteration 7 --
+array(6) {
+ ["a\v\f"]=>
+ string(5) "a\v\f"
+ ["aaaa\r"]=>
+ string(6) "aaaa\r"
+ ["b"]=>
+ string(1) "b"
+ ["b\tbbb"]=>
+ string(6) "b\tbbb"
+ ["c"]=>
+ string(1) "c"
+ ["\[\]\!\@\#\$\%\^\&\*\(\)\{\}"]=>
+ string(28) "\[\]\!\@\#\$\%\^\&\*\(\)\{\}"
+}
+-- Iteration 8 --
+array(4) {
+ ["
+"]=>
+ string(1) "
+"
+ ["hello world
+The quick brown fox jumped over;
+the lazy dog
+This is a double quoted string"]=>
+ string(88) "hello world
+The quick brown fox jumped over;
+the lazy dog
+This is a double quoted string"
+ ["hello
+ world
+1111 != 2222\v\v
+heredoc
+double quoted string. with\vdifferent\fwhite\vspaces"]=>
+ string(88) "hello
+ world
+1111 != 2222\v\v
+heredoc
+double quoted string. with\vdifferent\fwhite\vspaces"
+ ["11 < 12. 123 >22
+'single quoted string'
+"double quoted string"
+2222 != 1111. 0000 = 0000
+"]=>
+ string(90) "11 < 12. 123 >22
+'single quoted string'
+"double quoted string"
+2222 != 1111. 0000 = 0000
+"
+}
+-- Iteration 9 --
+array(3) {
+ ["one"]=>
+ string(3) "one"
+ ["two"]=>
+ string(3) "two"
+ ["three"]=>
+ string(5) "three"
+}
+-- Iteration 10 --
+array(3) {
+ [1]=>
+ int(1)
+ [2]=>
+ int(2)
+ [3]=>
+ int(3)
+}
+-- Iteration 11 --
+array(4) {
+ [10]=>
+ int(10)
+ [20]=>
+ int(20)
+ [40]=>
+ int(40)
+ [30]=>
+ int(30)
+}
+-- Iteration 12 --
+array(3) {
+ ["ten"]=>
+ string(3) "ten"
+ ["twenty"]=>
+ string(6) "twenty"
+ ["thirty"]=>
+ string(6) "thirty"
+}
+-- Iteration 13 --
+array(3) {
+ [1]=>
+ int(1)
+ ["two"]=>
+ string(3) "two"
+ ["four"]=>
+ string(4) "four"
+}
+-- Iteration 14 --
+array(2) {
+ ["null"]=>
+ string(4) "null"
+ [""]=>
+ NULL
+}
+-- Iteration 15 --
+array(4) {
+ ["true"]=>
+ string(4) "true"
+ ["false"]=>
+ string(5) "false"
+ [""]=>
+ bool(false)
+ [1]=>
+ bool(true)
+}
+-- Iteration 16 --
+array(2) {
+ ["emptys"]=>
+ string(6) "emptys"
+ [""]=>
+ string(0) ""
+}
+-- Iteration 17 --
+array(2) {
+ [""]=>
+ bool(false)
+ [1]=>
+ bool(true)
+}
+-- Iteration 18 --
+array(3) {
+ [4]=>
+ int(4)
+ [5]=>
+ int(5)
+ [6]=>
+ int(6)
+}
+-- Iteration 19 --
+array(3) {
+ [10]=>
+ int(10)
+ [20]=>
+ int(20)
+ [3]=>
+ int(3)
+}
+Done
--- /dev/null
+--TEST--
+Test array_combine() function : usage variations - associative array with different keys
+--FILE--
+<?php
+/* Prototype : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ * and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Testing the functionality of array_combine() by passing different
+ * associative arrays having different possible keys to $keys argument and
+ * associative arrays having different possible keys to $values argument.
+*/
+
+echo "*** Testing array_combine() : assoc array with diff keys to both \$keys and \$values argument ***\n";
+// get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// get a class
+class classA
+{
+ public function __toString(){
+ return "Class A object";
+ }
+}
+
+// get a heredoc string
+$heredoc = <<<EOT
+Hello world
+EOT;
+
+// different variations of associative arrays to be passed to $arr1 argument
+$arrays = array (
+
+ // empty array
+/*1*/ array(),
+
+ // arrays with integer keys
+ array(0 => "0"),
+ array(1 => "1"),
+ array(1 => "1", 2 => "2", 3 => "3", 4 => "4"),
+
+ // arrays with float keys
+/*5*/ array(2.3333 => "float"),
+ array(1.2 => "f1", 3.33 => "f2",
+ 4.89999922839999 => "f3",
+ 33333333.333333 => "f4"),
+
+ // arrays with string keys
+/*7*/ array('\tHello' => 111, 're\td' => "color",
+ '\v\fworld' => 2.2, 'pen\n' => 33),
+ array("\tHello" => 111, "re\td" => "color",
+ "\v\fworld" => 2.2, "pen\n" => 33),
+ array("hello", $heredoc => "string"), // heredoc
+
+ // array with object, unset variable and resource variable
+/*10*/ array(new classA() => 11, @$unset_var => "hello", $fp => 'resource'),
+
+ // array with mixed keys
+/*11*/ array('hello' => 1, new classA() => 2, "fruit" => 2.2,
+ $fp => 'resource', 133 => "int", 444.432 => "float",
+ @$unset_var => "unset", $heredoc => "heredoc")
+);
+
+// array to be passsed to $arr2 argument
+$arr2 = array(0 => 0, 2 => "float", 4 => "f3", 33333333 => "f4",
+ "\tHello" => 111, 2.2, 'color', "Hello world" => "string",
+ "pen\n" => 33, new classA() => 11, 133 => "int");
+
+// loop through each sub-array within $arrays to check the behavior of array_combine()
+// same arrays are passed to both $keys and $values
+$iterator = 1;
+foreach($arrays as $array) {
+ echo "-- Iteration $iterator --\n";
+ var_dump( array_combine($array, $array) );
+ $iterator++;
+}
+
+// close the file resource used
+fclose($fp);
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : assoc array with diff keys to both $keys and $values argument ***
+
+Warning: Illegal offset type in %s on line %d
+
+Warning: Illegal offset type in %s on line %d
+
+Warning: Illegal offset type in %s on line %d
+
+Warning: Illegal offset type in %s on line %d
+
+Warning: Illegal offset type in %s on line %d
+-- Iteration 1 --
+
+Warning: array_combine(): Both parameters should have at least 1 element in %s on line %d
+bool(false)
+-- Iteration 2 --
+array(1) {
+ [0]=>
+ string(1) "0"
+}
+-- Iteration 3 --
+array(1) {
+ [1]=>
+ string(1) "1"
+}
+-- Iteration 4 --
+array(4) {
+ [1]=>
+ string(1) "1"
+ [2]=>
+ string(1) "2"
+ [3]=>
+ string(1) "3"
+ [4]=>
+ string(1) "4"
+}
+-- Iteration 5 --
+array(1) {
+ ["float"]=>
+ string(5) "float"
+}
+-- Iteration 6 --
+array(4) {
+ ["f1"]=>
+ string(2) "f1"
+ ["f2"]=>
+ string(2) "f2"
+ ["f3"]=>
+ string(2) "f3"
+ ["f4"]=>
+ string(2) "f4"
+}
+-- Iteration 7 --
+array(4) {
+ [111]=>
+ int(111)
+ ["color"]=>
+ string(5) "color"
+ [2]=>
+ float(2.2)
+ [33]=>
+ int(33)
+}
+-- Iteration 8 --
+array(4) {
+ [111]=>
+ int(111)
+ ["color"]=>
+ string(5) "color"
+ [2]=>
+ float(2.2)
+ [33]=>
+ int(33)
+}
+-- Iteration 9 --
+array(2) {
+ ["hello"]=>
+ string(5) "hello"
+ ["string"]=>
+ string(6) "string"
+}
+-- Iteration 10 --
+array(1) {
+ ["hello"]=>
+ string(5) "hello"
+}
+-- Iteration 11 --
+array(6) {
+ [1]=>
+ int(1)
+ [2]=>
+ float(2.2)
+ ["int"]=>
+ string(3) "int"
+ ["float"]=>
+ string(5) "float"
+ ["unset"]=>
+ string(5) "unset"
+ ["heredoc"]=>
+ string(7) "heredoc"
+}
+Done
--- /dev/null
+--TEST--
+Test array_combine() function : usage variations - associative array with different values
+--FILE--
+<?php
+/* Prototype : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ * and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing the functionality of array_combine() by passing various
+* associative arrays having different possible values to $keys argument and
+* associative arrays having different possible values to $values argument.
+*/
+
+echo "*** Testing array_combine() : assoc array with diff values to both \$keys and \$values argument ***\n";
+
+// get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// get a class
+class classA
+{
+public function __toString(){
+return "Class A object";
+}
+}
+
+// get a heredoc string
+$heredoc = <<<EOT
+Hello world
+EOT;
+
+// different variations of associative array
+$arrays = array (
+
+ // empty array
+/*1*/ array(),
+
+ // arrays with integer values
+ array('0' => 0),
+ array("1" => 1),
+ array("one" => 1, 'two' => 2, "three" => 3, 4 => 4),
+
+ // arrays with float values
+/*5*/ array("float" => 2.3333),
+ array("f1" => 1.2, 'f2' => 3.33, 3 => 4.89999922839999, 'f4' => 33333333.333),
+
+ // arrays with string values
+/*7*/ array(111 => "\tHello", "red" => "col\tor", 2 => "\v\fworld", 3.3 => "pen\n"),
+ array(111 => '\tHello', "red" => 'col\tor', 2 => '\v\fworld', 3.3 => 'pen\n'),
+ array(1 => "hello", "heredoc" => $heredoc),
+
+ // array with object, unset variable and resource variable
+/*10*/ array(11 => new classA(), "unset" => @$unset_var, "resource" => $fp),
+
+ // array with mixed values
+/*11*/ array(1 => 'hello', 2 => new classA(), 222 => "fruit",
+ 'resource' => $fp, "int" => 133, "float" => 444.432,
+ "unset" => @$unset_var, "heredoc" => $heredoc)
+);
+
+
+// loop through each sub-array within $arrays to check the behavior of array_combine()
+$iterator = 1;
+foreach($arrays as $array) {
+ echo "-- Iteration $iterator --\n";
+ var_dump( array_combine($array, $array) );
+ $iterator++;
+}
+
+// close the file resource used
+fclose($fp);
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : assoc array with diff values to both $keys and $values argument ***
+-- Iteration 1 --
+
+Warning: array_combine(): Both parameters should have at least 1 element in %s on line %d
+bool(false)
+-- Iteration 2 --
+array(1) {
+ [0]=>
+ int(0)
+}
+-- Iteration 3 --
+array(1) {
+ [1]=>
+ int(1)
+}
+-- Iteration 4 --
+array(4) {
+ [1]=>
+ int(1)
+ [2]=>
+ int(2)
+ [3]=>
+ int(3)
+ [4]=>
+ int(4)
+}
+-- Iteration 5 --
+array(1) {
+ [2]=>
+ float(2.3333)
+}
+-- Iteration 6 --
+array(4) {
+ [1]=>
+ float(1.2)
+ [3]=>
+ float(3.33)
+ [4]=>
+ float(4.8999992284)
+ [33333333]=>
+ float(33333333.333)
+}
+-- Iteration 7 --
+array(4) {
+ [" Hello"]=>
+ string(6) " Hello"
+ ["col or"]=>
+ string(6) "col or"
+ ["\v\fworld"]=>
+ string(7) "\v\fworld"
+ ["pen
+"]=>
+ string(4) "pen
+"
+}
+-- Iteration 8 --
+array(4) {
+ ["\tHello"]=>
+ string(7) "\tHello"
+ ["col\tor"]=>
+ string(7) "col\tor"
+ ["\v\fworld"]=>
+ string(9) "\v\fworld"
+ ["pen\n"]=>
+ string(5) "pen\n"
+}
+-- Iteration 9 --
+array(2) {
+ ["hello"]=>
+ string(5) "hello"
+ ["Hello world"]=>
+ string(11) "Hello world"
+}
+-- Iteration 10 --
+array(3) {
+ ["Class A object"]=>
+ object(classA)#%d (0) {
+ }
+ [""]=>
+ NULL
+ ["Resource id #%d"]=>
+ resource(%d) of type (stream)
+}
+-- Iteration 11 --
+array(8) {
+ ["hello"]=>
+ string(5) "hello"
+ ["Class A object"]=>
+ object(classA)#%d (0) {
+ }
+ ["fruit"]=>
+ string(5) "fruit"
+ ["Resource id #%d"]=>
+ resource(%d) of type (stream)
+ [133]=>
+ int(133)
+ [444]=>
+ float(444.432)
+ [""]=>
+ NULL
+ ["Hello world"]=>
+ string(11) "Hello world"
+}
+Done
--- /dev/null
+--TEST--
+Test array_combine() function : usage variations - binary safe checking
+--FILE--
+<?php
+/* Prototype : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ * and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing the behavior of array_combine() by passing array with
+* binary values for $keys and $values argument.
+*/
+
+echo "*** Testing array_combine() : binary safe checking ***\n";
+
+// array with binary values
+$arr_binary = array(b"hello", b"world");
+$arr_normal = array("hello", "world");
+
+// array with binary value for $keys and $values argument
+var_dump( array_combine($arr_binary, $arr_binary) );
+
+// array with binary value for $values argument
+var_dump( array_combine($arr_normal, $arr_binary) );
+
+// array with binary value for $keys argument
+var_dump( array_combine($arr_binary, $arr_normal) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : binary safe checking ***
+array(2) {
+ ["hello"]=>
+ string(5) "hello"
+ ["world"]=>
+ string(5) "world"
+}
+array(2) {
+ ["hello"]=>
+ string(5) "hello"
+ ["world"]=>
+ string(5) "world"
+}
+array(2) {
+ ["hello"]=>
+ string(5) "hello"
+ ["world"]=>
+ string(5) "world"
+}
+Done
projects / php / commitdiff