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41 lines
1.5 KiB
PHP
41 lines
1.5 KiB
PHP
--TEST--
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Test array_diff_ukey() function : usage variation - Passing non-existing function name to callback
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--FILE--
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<?php
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/* Prototype : array array_diff_ukey(array arr1, array arr2 [, array ...], callback key_comp_func)
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* Description: Returns the entries of arr1 that have keys which are 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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echo "*** Testing array_diff_ukey() : usage variation ***\n";
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//Initialize variables
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$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
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$array2 = array("a" => "green", "yellow", "red");
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//function name within double quotes
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var_dump( array_diff_ukey($array1, $array1, "unknown_function") );
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//function name within single quotes
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var_dump( array_diff_ukey($array1, $array1, 'unknown_function') );
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//function name without quotes
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var_dump( array_diff_ukey($array1, $array1, unknown_function) );
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?>
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===DONE===
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--EXPECTF--
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*** Testing array_diff_ukey() : usage variation ***
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Warning: array_diff_ukey() expects parameter 3 to be a valid callback, function 'unknown_function' not found or invalid function name in %s on line %d
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NULL
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Warning: array_diff_ukey() expects parameter 3 to be a valid callback, function 'unknown_function' not found or invalid function name in %s on line %d
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NULL
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Notice: Use of undefined constant unknown_function - assumed 'unknown_function' in %s on line %d
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Warning: array_diff_ukey() expects parameter 3 to be a valid callback, function 'unknown_function' not found or invalid function name in %s on line %d
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NULL
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===DONE===
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