PAL.C.T MINI SHELL
--TEST--
Test array_diff() function : usage variations - multidimensional arrays
--INI--
error_reporting=E_ALL & ~E_NOTICE
--FILE--
<?php
/* Prototype : array array_diff(array $arr1, array $arr2 [, array ...])
* Description: Returns the entries of arr1 that have values which are
* not present in any of the others arguments.
* Source code: ext/standard/array.c
*/
/*
* Test how array_diff() compares multidimensional arrays
*/
echo "*** Testing array_diff() : usage variations ***\n";
$array1 = array('sub_array1' => array (1, 2, 3),
'sub_array2' => array ('a', 'b', 'c'));
$array2 = array('sub_arraya' => array (1, 3, 5),
'sub_arrayb' => array ('a', 'z', 'y'));
echo "-- Compare two 2-D arrays --\n";
var_dump(array_diff($array1, $array2));
var_dump(array_diff($array2, $array1));
echo "\n-- Compare subarrays from two 2-D arrays --\n";
var_dump(array_diff($array1['sub_array1'], $array2['sub_arraya']));
var_dump(array_diff($array2['sub_arraya'], $array1['sub_array1']));
var_dump(array_diff($array1['sub_array2'], $array2['sub_arrayb']));
var_dump(array_diff($array2['sub_arrayb'], $array1['sub_array1']));
echo "\n-- Compare a subarray from one 2-D array and one 2-D array --\n";
var_dump(array_diff($array1['sub_array1'], $array2));
var_dump(array_diff($array1, $array2['sub_arraya']));
echo "Done";
?>
--EXPECT--
*** Testing array_diff() : usage variations ***
-- Compare two 2-D arrays --
array(0) {
}
array(0) {
}
-- Compare subarrays from two 2-D arrays --
array(1) {
[1]=>
int(2)
}
array(1) {
[2]=>
int(5)
}
array(2) {
[1]=>
string(1) "b"
[2]=>
string(1) "c"
}
array(3) {
[0]=>
string(1) "a"
[1]=>
string(1) "z"
[2]=>
string(1) "y"
}
-- Compare a subarray from one 2-D array and one 2-D array --
array(3) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
}
array(2) {
["sub_array1"]=>
array(3) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
}
["sub_array2"]=>
array(3) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
[2]=>
string(1) "c"
}
}
Done
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