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