--- /dev/null
+--TEST--
+Test array_merge() function : basic functionality
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test basic functionality of array_merge()
+ */
+
+echo "*** Testing array_merge() : basic functionality ***\n";
+
+//indexed array
+$array1 = array ('zero', 'one', 'two');
+//associative array
+$array2 = array ('a' => 1, 'b' => 2, 'c' => 3);
+
+var_dump(array_merge($array1, $array2));
+
+var_dump(array_merge($array2, $array1));
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_merge() : basic functionality ***
+array(6) {
+ [0]=>
+ string(4) "zero"
+ [1]=>
+ string(3) "one"
+ [2]=>
+ string(3) "two"
+ ["a"]=>
+ int(1)
+ ["b"]=>
+ int(2)
+ ["c"]=>
+ int(3)
+}
+array(6) {
+ ["a"]=>
+ int(1)
+ ["b"]=>
+ int(2)
+ ["c"]=>
+ int(3)
+ [0]=>
+ string(4) "zero"
+ [1]=>
+ string(3) "one"
+ [2]=>
+ string(3) "two"
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test array_merge() function : error conditions - Pass incorrect number of args
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Pass incorrect number of arguments to array_merge() to test behaviour
+ */
+
+echo "*** Testing array_merge() : error conditions ***\n";
+
+// Testing array_merge with zero arguments
+echo "\n-- Testing array_merge() function with less than expected no. of arguments --\n";
+$arr1 = array(1, 2);
+var_dump( array_merge() );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_merge() : error conditions ***
+
+-- Testing array_merge() function with less than expected no. of arguments --
+
+Warning: Wrong parameter count for array_merge() in %s on line %d
+NULL
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test array_merge() function : usage variations - Pass different data types to $arr1 arg
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Pass different data types as $arr1 argument to test behaviour
+ */
+
+echo "*** Testing array_merge() : usage variations ***\n";
+
+// Initialise function arguments not being substituted
+$arr2 = 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 $arr1 argument
+$inputs = 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*/ "",
+ '',
+ array(),
+
+ // string data
+/*19*/ "string",
+ 'string',
+ $heredoc,
+
+ // object data
+/*22*/ new classA(),
+
+ // undefined data
+/*23*/ @$undefined_var,
+
+ // unset data
+/*24*/ @$unset_var,
+
+ // resource variable
+/*25*/ $fp
+);
+
+// loop through each element of $inputs to check the behavior of array_merge()
+$iterator = 1;
+foreach($inputs as $input) {
+ echo "\n-- Iteration $iterator --\n";
+ var_dump( array_merge($input, $arr2) );
+ $iterator++;
+};
+
+fclose($fp);
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_merge() : usage variations ***
+
+-- Iteration 1 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 2 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 3 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 4 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 5 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 6 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 7 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 8 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 9 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 10 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 11 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 12 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 13 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 14 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 15 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 16 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 17 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 18 --
+array(2) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+}
+
+-- Iteration 19 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 20 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 21 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 22 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 23 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 24 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+
+-- Iteration 25 --
+
+Warning: array_merge(): Argument #1 is not an array in %s on line %d
+NULL
+Done
--- /dev/null
+--TEST--
+Test array_merge() function : usage variations - position of internal array pointer
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Check the position of the internal array pointer after calling array_merge().
+ * This test is also passing more than two arguments to array_merge().
+ */
+
+echo "*** Testing array_merge() : usage variations ***\n";
+
+$arr1 = array ('zero', 'one', 'two');
+$arr2 = array ('zero', 'un', 'deux');
+$arr3 = array ('null', 'eins', 'zwei');
+
+echo "\n-- Call array_merge() --\n";
+var_dump($result = array_merge($arr1, $arr2, $arr3));
+
+echo "\n-- Position of Internal Pointer in Result: --\n";
+echo key($result) . " => " . current($result) . "\n";
+
+echo "\n-- Position of Internal Pointer in Original Array: --\n";
+echo "\$arr1: ";
+echo key($arr1) . " => " . current ($arr1) . "\n";
+echo "\$arr2: ";
+echo key($arr2) . " => " . current ($arr2) . "\n";
+echo "\$arr3: ";
+echo key($arr3) . " => " . current ($arr3) . "\n";
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_merge() : usage variations ***
+
+-- Call array_merge() --
+array(9) {
+ [0]=>
+ string(4) "zero"
+ [1]=>
+ string(3) "one"
+ [2]=>
+ string(3) "two"
+ [3]=>
+ string(4) "zero"
+ [4]=>
+ string(2) "un"
+ [5]=>
+ string(4) "deux"
+ [6]=>
+ string(4) "null"
+ [7]=>
+ string(4) "eins"
+ [8]=>
+ string(4) "zwei"
+}
+
+-- Position of Internal Pointer in Result: --
+0 => zero
+
+-- Position of Internal Pointer in Original Array: --
+$arr1: 0 => zero
+$arr2: 0 => zero
+$arr3: 0 => null
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test array_merge() function : usage variations - Pass different data types as $arr2 arg
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Pass different data types as $arr2 argument to array_merge() to test behaviour
+ */
+
+echo "*** Testing array_merge() : usage variations ***\n";
+
+// Initialise function arguments not being substituted
+$arr1 = 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 $arr2 argument
+$inputs = 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*/ "",
+ '',
+ array(),
+
+ // string data
+/*19*/ "string",
+ 'string',
+ $heredoc,
+
+ // object data
+/*22*/ new classA(),
+
+ // undefined data
+/*23*/ @$undefined_var,
+
+ // unset data
+/*24*/ @$unset_var,
+
+ // resource variable
+/*25*/ $fp
+);
+
+// loop through each element of $inputs to check the behavior of array_merge()
+$iterator = 1;
+foreach($inputs as $input) {
+ echo "\n-- Iteration $iterator --\n";
+ var_dump( array_merge($arr1, $input) );
+ $iterator++;
+};
+
+fclose($fp);
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_merge() : usage variations ***
+
+-- Iteration 1 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 2 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 3 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 4 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 5 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 6 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 7 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 8 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 9 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 10 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 11 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 12 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 13 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 14 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 15 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 16 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 17 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 18 --
+array(2) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+}
+
+-- Iteration 19 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 20 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 21 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 22 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 23 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 24 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+
+-- Iteration 25 --
+
+Warning: array_merge(): Argument #2 is not an array in %s on line %d
+NULL
+Done
--- /dev/null
+--TEST--
+Test array_merge() function : usage variations - arrays of diff. data types
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Pass arrays of different data types to test how array_merge adds them
+ * onto an existing array
+ */
+
+echo "*** Testing array_merge() : usage variations ***\n";
+
+// Initialise function arguments not being substituted
+$arr = 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");
+
+// arrays of different data types to be passed as $input
+$inputs = array(
+
+ // int data
+/*1*/ 'int' => array(
+ 0,
+ 1,
+ 12345,
+ -2345,
+ ),
+
+ // float data
+/*2*/ 'float' => array(
+ 10.5,
+ -10.5,
+ 12.3456789000e10,
+ 12.3456789000E-10,
+ .5,
+ ),
+
+ // null data
+/*3*/ 'null' => array(
+ NULL,
+ null,
+ ),
+
+ // boolean data
+/*4*/ 'bool' => array(
+ true,
+ false,
+ TRUE,
+ FALSE,
+ ),
+
+ // empty data
+/*5*/ 'empty string' => array(
+ "",
+ '',
+ ),
+
+/*6*/ 'empty array' => array(
+ ),
+
+ // string data
+/*7*/ 'string' => array(
+ "string",
+ 'string',
+ $heredoc,
+ ),
+
+ // object data
+/*8*/ 'object' => array(
+ new classA(),
+ ),
+
+ // undefined data
+/*9*/ 'undefined' => array(
+ @$undefined_var,
+ ),
+
+ // unset data
+/*10*/ 'unset' => array(
+ @$unset_var,
+ ),
+
+ // resource variable
+/*11*/ 'resource' => array(
+ $fp
+ ),
+);
+
+// loop through each element of $inputs to check the behavior of array_merge
+$iterator = 1;
+foreach($inputs as $key => $input) {
+ echo "\n-- Iteration $iterator: $key data --\n";
+ var_dump( array_merge($input, $arr) );
+ var_dump( array_merge($arr, $input) );
+ $iterator++;
+};
+
+fclose($fp);
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_merge() : usage variations ***
+
+-- Iteration 1: int data --
+array(6) {
+ [0]=>
+ int(0)
+ [1]=>
+ int(1)
+ [2]=>
+ int(12345)
+ [3]=>
+ int(-2345)
+ [4]=>
+ int(1)
+ [5]=>
+ int(2)
+}
+array(6) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ int(0)
+ [3]=>
+ int(1)
+ [4]=>
+ int(12345)
+ [5]=>
+ int(-2345)
+}
+
+-- Iteration 2: float data --
+array(7) {
+ [0]=>
+ float(10.5)
+ [1]=>
+ float(-10.5)
+ [2]=>
+ float(123456789000)
+ [3]=>
+ float(1.23456789E-9)
+ [4]=>
+ float(0.5)
+ [5]=>
+ int(1)
+ [6]=>
+ int(2)
+}
+array(7) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ float(10.5)
+ [3]=>
+ float(-10.5)
+ [4]=>
+ float(123456789000)
+ [5]=>
+ float(1.23456789E-9)
+ [6]=>
+ float(0.5)
+}
+
+-- Iteration 3: null data --
+array(4) {
+ [0]=>
+ NULL
+ [1]=>
+ NULL
+ [2]=>
+ int(1)
+ [3]=>
+ int(2)
+}
+array(4) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ NULL
+ [3]=>
+ NULL
+}
+
+-- Iteration 4: bool data --
+array(6) {
+ [0]=>
+ bool(true)
+ [1]=>
+ bool(false)
+ [2]=>
+ bool(true)
+ [3]=>
+ bool(false)
+ [4]=>
+ int(1)
+ [5]=>
+ int(2)
+}
+array(6) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ bool(true)
+ [3]=>
+ bool(false)
+ [4]=>
+ bool(true)
+ [5]=>
+ bool(false)
+}
+
+-- Iteration 5: empty string data --
+array(4) {
+ [0]=>
+ string(0) ""
+ [1]=>
+ string(0) ""
+ [2]=>
+ int(1)
+ [3]=>
+ int(2)
+}
+array(4) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ string(0) ""
+ [3]=>
+ string(0) ""
+}
+
+-- Iteration 6: empty array data --
+array(2) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+}
+array(2) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+}
+
+-- Iteration 7: string data --
+array(5) {
+ [0]=>
+ string(6) "string"
+ [1]=>
+ string(6) "string"
+ [2]=>
+ string(11) "hello world"
+ [3]=>
+ int(1)
+ [4]=>
+ int(2)
+}
+array(5) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ string(6) "string"
+ [3]=>
+ string(6) "string"
+ [4]=>
+ string(11) "hello world"
+}
+
+-- Iteration 8: object data --
+array(3) {
+ [0]=>
+ object(classA)#%d (0) {
+ }
+ [1]=>
+ int(1)
+ [2]=>
+ int(2)
+}
+array(3) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ object(classA)#%d (0) {
+ }
+}
+
+-- Iteration 9: undefined data --
+array(3) {
+ [0]=>
+ NULL
+ [1]=>
+ int(1)
+ [2]=>
+ int(2)
+}
+array(3) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ NULL
+}
+
+-- Iteration 10: unset data --
+array(3) {
+ [0]=>
+ NULL
+ [1]=>
+ int(1)
+ [2]=>
+ int(2)
+}
+array(3) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ NULL
+}
+
+-- Iteration 11: resource data --
+array(3) {
+ [0]=>
+ resource(%d) of type (stream)
+ [1]=>
+ int(1)
+ [2]=>
+ int(2)
+}
+array(3) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ resource(%d) of type (stream)
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test array_merge() function : usage variations - Diff. data types as array keys
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Pass an array with different data types as keys to test how array_merge
+ * adds it onto an existing array
+ */
+
+echo "*** Testing array_merge() : usage variations ***\n";
+
+// Initialise function arguments not being substituted
+$arr = array ('one' => 1, 'two' => 2);
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+// arrays with keys as different data types to be passed as $input
+$inputs = array(
+
+ // int data
+/*1*/ 'int' => array(
+ 0 => 'zero',
+ 1 => 'one',
+ 12345 => 'positive',
+ -2345 => 'negative',
+ ),
+
+ // float data
+/*2*/ 'float' => array(
+ 10.5 => 'positive',
+ -10.5 => 'negative',
+ .5 => 'half',
+ ),
+
+/*3*/ 'extreme floats' => array(
+ 12.3456789000e10 => 'large',
+ 12.3456789000E-10 => 'small',
+ ),
+
+ // null data
+/*4*/ 'null uppercase' => array(
+ NULL => 'null 1',
+ ),
+
+/*5*/ 'null lowercase' => array(
+ null => 'null 2',
+ ),
+
+ // boolean data
+/*6*/ 'bool lowercase' => array(
+ true => 'lowert',
+ false => 'lowerf',
+ ),
+
+/*7*/ 'bool uppercase' => array(
+ TRUE => 'uppert',
+ FALSE => 'upperf',
+ ),
+
+ // empty data
+/*8*/ 'empty double quotes' => array(
+ "" => 'emptyd',
+ ),
+
+/*9*/ 'empty single quotes' => array(
+ '' => 'emptys',
+ ),
+
+ // string data
+/*10*/ 'string' => array(
+ "stringd" => 'stringd',
+ 'strings' => 'strings',
+ $heredoc => 'stringh',
+ ),
+
+ // undefined data
+/*11*/ 'undefined' => array(
+ @$undefined_var => 'undefined',
+ ),
+
+ // unset data
+/*12*/ 'unset' => array(
+ @$unset_var => 'unset',
+ ),
+);
+
+// loop through each element of $inputs to check the behavior of array_merge
+$iterator = 1;
+foreach($inputs as $key => $input) {
+ echo "\n-- Iteration $iterator: $key data --\n";
+ var_dump( array_merge($input, $arr) );
+ var_dump( array_merge($arr, $input) );
+ $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_merge() : usage variations ***
+
+-- Iteration 1: int data --
+array(6) {
+ [0]=>
+ string(4) "zero"
+ [1]=>
+ string(3) "one"
+ [2]=>
+ string(8) "positive"
+ [3]=>
+ string(8) "negative"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(6) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ [0]=>
+ string(4) "zero"
+ [1]=>
+ string(3) "one"
+ [2]=>
+ string(8) "positive"
+ [3]=>
+ string(8) "negative"
+}
+
+-- Iteration 2: float data --
+array(5) {
+ [0]=>
+ string(8) "positive"
+ [1]=>
+ string(8) "negative"
+ [2]=>
+ string(4) "half"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(5) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ [0]=>
+ string(8) "positive"
+ [1]=>
+ string(8) "negative"
+ [2]=>
+ string(4) "half"
+}
+
+-- Iteration 3: extreme floats data --
+array(4) {
+ [0]=>
+ string(5) "large"
+ [1]=>
+ string(5) "small"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(4) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ [0]=>
+ string(5) "large"
+ [1]=>
+ string(5) "small"
+}
+
+-- Iteration 4: null uppercase data --
+array(3) {
+ [""]=>
+ string(6) "null 1"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(3) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ [""]=>
+ string(6) "null 1"
+}
+
+-- Iteration 5: null lowercase data --
+array(3) {
+ [""]=>
+ string(6) "null 2"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(3) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ [""]=>
+ string(6) "null 2"
+}
+
+-- Iteration 6: bool lowercase data --
+array(4) {
+ [0]=>
+ string(6) "lowert"
+ [1]=>
+ string(6) "lowerf"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(4) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ [0]=>
+ string(6) "lowert"
+ [1]=>
+ string(6) "lowerf"
+}
+
+-- Iteration 7: bool uppercase data --
+array(4) {
+ [0]=>
+ string(6) "uppert"
+ [1]=>
+ string(6) "upperf"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(4) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ [0]=>
+ string(6) "uppert"
+ [1]=>
+ string(6) "upperf"
+}
+
+-- Iteration 8: empty double quotes data --
+array(3) {
+ [""]=>
+ string(6) "emptyd"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(3) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ [""]=>
+ string(6) "emptyd"
+}
+
+-- Iteration 9: empty single quotes data --
+array(3) {
+ [""]=>
+ string(6) "emptys"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(3) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ [""]=>
+ string(6) "emptys"
+}
+
+-- Iteration 10: string data --
+array(5) {
+ ["stringd"]=>
+ string(7) "stringd"
+ ["strings"]=>
+ string(7) "strings"
+ ["hello world"]=>
+ string(7) "stringh"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(5) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ ["stringd"]=>
+ string(7) "stringd"
+ ["strings"]=>
+ string(7) "strings"
+ ["hello world"]=>
+ string(7) "stringh"
+}
+
+-- Iteration 11: undefined data --
+array(3) {
+ [""]=>
+ string(9) "undefined"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(3) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ [""]=>
+ string(9) "undefined"
+}
+
+-- Iteration 12: unset data --
+array(3) {
+ [""]=>
+ string(5) "unset"
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+}
+array(3) {
+ ["one"]=>
+ int(1)
+ ["two"]=>
+ int(2)
+ [""]=>
+ string(5) "unset"
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test array_merge() function : usage variations - numeric keys
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Pass array_merge() arrays with only numeric keys to test behaviour.
+ * $arr2 contains a duplicate element to $arr1.
+ */
+
+echo "*** Testing array_merge() : usage variations ***\n";
+
+//numeric keys
+$arr1 = array('zero', 'one', 'two', 'three');
+$arr2 = array(1 => 'one', 20 => 'twenty', 30 => 'thirty');
+
+var_dump(array_merge($arr1, $arr2));
+var_dump(array_merge($arr2, $arr1));
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_merge() : usage variations ***
+array(7) {
+ [0]=>
+ string(4) "zero"
+ [1]=>
+ string(3) "one"
+ [2]=>
+ string(3) "two"
+ [3]=>
+ string(5) "three"
+ [4]=>
+ string(3) "one"
+ [5]=>
+ string(6) "twenty"
+ [6]=>
+ string(6) "thirty"
+}
+array(7) {
+ [0]=>
+ string(3) "one"
+ [1]=>
+ string(6) "twenty"
+ [2]=>
+ string(6) "thirty"
+ [3]=>
+ string(4) "zero"
+ [4]=>
+ string(3) "one"
+ [5]=>
+ string(3) "two"
+ [6]=>
+ string(5) "three"
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test array_merge() function : usage variations - string keys
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Pass array_merge arrays with string keys to test behaviour.
+ * $arr2 has a duplicate key to $arr1
+ */
+
+echo "*** Testing array_merge() : usage variations ***\n";
+
+//string keys
+$arr1 = array('zero' => 'zero', 'one' => 'un', 'two' => 'deux');
+$arr2 = array('zero' => 'zero', 'un' => 'eins', 'deux' => 'zwei');
+
+var_dump(array_merge($arr1, $arr2));
+var_dump(array_merge($arr2, $arr1));
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_merge() : usage variations ***
+array(5) {
+ ["zero"]=>
+ string(4) "zero"
+ ["one"]=>
+ string(2) "un"
+ ["two"]=>
+ string(4) "deux"
+ ["un"]=>
+ string(4) "eins"
+ ["deux"]=>
+ string(4) "zwei"
+}
+array(5) {
+ ["zero"]=>
+ string(4) "zero"
+ ["un"]=>
+ string(4) "eins"
+ ["deux"]=>
+ string(4) "zwei"
+ ["one"]=>
+ string(2) "un"
+ ["two"]=>
+ string(4) "deux"
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test array_merge() function : usage variations - Mixed keys
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Pass array_merge() arrays with mixed keys to test how it attaches them to
+ * existing arrays
+ */
+
+echo "*** Testing array_merge() : usage variations ***\n";
+
+//mixed keys
+$arr1 = array('zero', 20 => 'twenty', 'thirty' => 30, true => 'bool');
+$arr2 = array(0, 1, 2, null => 'null', 1.234E-10 => 'float');
+
+var_dump(array_merge($arr1, $arr2));
+var_dump(array_merge($arr2, $arr1));
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_merge() : usage variations ***
+array(8) {
+ [0]=>
+ string(4) "zero"
+ [1]=>
+ string(6) "twenty"
+ ["thirty"]=>
+ int(30)
+ [2]=>
+ string(4) "bool"
+ [3]=>
+ string(5) "float"
+ [4]=>
+ int(1)
+ [5]=>
+ int(2)
+ [""]=>
+ string(4) "null"
+}
+array(8) {
+ [0]=>
+ string(5) "float"
+ [1]=>
+ int(1)
+ [2]=>
+ int(2)
+ [""]=>
+ string(4) "null"
+ [3]=>
+ string(4) "zero"
+ [4]=>
+ string(6) "twenty"
+ ["thirty"]=>
+ int(30)
+ [5]=>
+ string(4) "bool"
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test array_merge() function : usage variations - multi-dimensional arrays
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test array_merge() with multi-dimensional arrays
+ */
+
+echo "*** Testing array_merge() : usage variations ***\n";
+
+$arr1 = array('zero', 'one', 'two', array(0));
+$arr2 = array(1, 2, 3);
+
+echo "\n-- Merge a two-dimensional and a one-dimensional array --\n";
+var_dump(array_merge($arr1, $arr2));
+
+echo "\n-- Merge an array and a sub-array --\n";
+var_dump(array_merge($arr1[3], $arr2));
+var_dump(array_merge($arr2, $arr1[3]));
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_merge() : usage variations ***
+
+-- Merge a two-dimensional and a one-dimensional array --
+array(7) {
+ [0]=>
+ string(4) "zero"
+ [1]=>
+ string(3) "one"
+ [2]=>
+ string(3) "two"
+ [3]=>
+ array(1) {
+ [0]=>
+ int(0)
+ }
+ [4]=>
+ int(1)
+ [5]=>
+ int(2)
+ [6]=>
+ int(3)
+}
+
+-- Merge an array and a sub-array --
+array(4) {
+ [0]=>
+ int(0)
+ [1]=>
+ int(1)
+ [2]=>
+ int(2)
+ [3]=>
+ int(3)
+}
+array(4) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ int(3)
+ [3]=>
+ int(0)
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test array_merge() function : usage variations - referenced variables
+--FILE--
+<?php
+/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
+ * Description: Merges elements from passed arrays into one array
+ * Source code: ext/standard/array.c
+ */
+
+/* Test array_merge() when:
+ * 1. Passed an array made up of referenced variables
+ * 2. Passed an array as the first argument and a reference to that array as the second.
+ */
+
+echo "*** Testing array_merge() : usage variations ***\n";
+
+$val1 = 'foo';
+$val2 = 'bar';
+$val3 = 'baz';
+
+$arr1 = array(&$val1, &$val2, &$val3);
+$arr2 = array('key1' => 'val1', 'key2' => 'val2', 'key3' => 'val3');
+
+echo "\n-- Merge an array made up of referenced variables to an assoc. array --\n";
+var_dump(array_merge($arr1, $arr2));
+var_dump(array_merge($arr2, $arr1));
+
+$val2 = 'hello world';
+
+echo "\n-- Change \$val2 --\n";
+var_dump(array_merge($arr1, $arr2));
+var_dump(array_merge($arr2, $arr1));
+
+echo "\n-- Merge an array and a reference to the first array --\n";
+var_dump(array_merge($arr2, &$arr2));
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_merge() : usage variations ***
+
+-- Merge an array made up of referenced variables to an assoc. array --
+array(6) {
+ [0]=>
+ &string(3) "foo"
+ [1]=>
+ &string(3) "bar"
+ [2]=>
+ &string(3) "baz"
+ ["key1"]=>
+ string(4) "val1"
+ ["key2"]=>
+ string(4) "val2"
+ ["key3"]=>
+ string(4) "val3"
+}
+array(6) {
+ ["key1"]=>
+ string(4) "val1"
+ ["key2"]=>
+ string(4) "val2"
+ ["key3"]=>
+ string(4) "val3"
+ [0]=>
+ &string(3) "foo"
+ [1]=>
+ &string(3) "bar"
+ [2]=>
+ &string(3) "baz"
+}
+
+-- Change $val2 --
+array(6) {
+ [0]=>
+ &string(3) "foo"
+ [1]=>
+ &string(11) "hello world"
+ [2]=>
+ &string(3) "baz"
+ ["key1"]=>
+ string(4) "val1"
+ ["key2"]=>
+ string(4) "val2"
+ ["key3"]=>
+ string(4) "val3"
+}
+array(6) {
+ ["key1"]=>
+ string(4) "val1"
+ ["key2"]=>
+ string(4) "val2"
+ ["key3"]=>
+ string(4) "val3"
+ [0]=>
+ &string(3) "foo"
+ [1]=>
+ &string(11) "hello world"
+ [2]=>
+ &string(3) "baz"
+}
+
+-- Merge an array and a reference to the first array --
+array(3) {
+ ["key1"]=>
+ string(4) "val1"
+ ["key2"]=>
+ string(4) "val2"
+ ["key3"]=>
+ string(4) "val3"
+}
+Done
\ No newline at end of file
projects / php / commitdiff