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64 lines
1.4 KiB
PHP
64 lines
1.4 KiB
PHP
--TEST--
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Test array_intersect_key() function : usage variation - Passing null,unset and undefeined variable indexed array
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--FILE--
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<?php
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/* Prototype : array array_intersect_key(array arr1, array arr2 [, array ...])
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* Description: Returns the entries of arr1 that have keys which are present in all the other arguments.
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* Source code: ext/standard/array.c
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*/
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echo "*** Testing array_intersect_key() : usage variation ***\n";
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// Initialise function arguments not being substituted (if any)
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$input_array = array(0 => '0', 1 => '1' , -10 => '-10' , null => 'null');
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//get an unset variable
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$unset_var = 10;
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unset ($unset_var);
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$input_arrays = array(
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'null indexed' => array(NULL => 'null 1', null => 'null 2'),
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'undefined indexed' => array(@$undefined_var => 'undefined'),
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'unset indexed' => array(@$unset_var => 'unset'),
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);
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foreach($input_arrays as $key =>$value) {
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echo "\n--$key--\n";
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var_dump( array_intersect_key($input_array, $value) );
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var_dump( array_intersect_key($value,$input_array ) );
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}
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?>
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===DONE===
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--EXPECTF--
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*** Testing array_intersect_key() : usage variation ***
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--null indexed--
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array(1) {
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[""]=>
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string(4) "null"
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}
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array(1) {
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[""]=>
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string(6) "null 2"
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}
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--undefined indexed--
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array(1) {
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[""]=>
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string(4) "null"
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}
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array(1) {
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[""]=>
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string(9) "undefined"
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}
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--unset indexed--
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array(1) {
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[""]=>
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string(4) "null"
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}
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array(1) {
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[""]=>
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string(5) "unset"
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}
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===DONE===
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