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49 lines
1.5 KiB
PHP
49 lines
1.5 KiB
PHP
--TEST--
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Test array_walk() function : error conditions
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--FILE--
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<?php
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/* Prototype : bool array_walk(array $input, string $funcname [, mixed $userdata])
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* Description: Apply a user function to every member of an array
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* Source code: ext/standard/array.c
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*/
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$input = array(1, 2);
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/* Prototype : callback(mixed value, mixed key, mixed user_data)
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* Parameters : value - value in key/value pair
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* key - key in key/value pair
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* user_data - extra parameter
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*/
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function callback ($value, $key, $user_data) {
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echo "\ncallback() invoked \n";
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}
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echo "*** Testing array_walk() : error conditions ***\n";
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echo "-- Testing array_walk() function with zero arguments --\n";
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var_dump( array_walk() );
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echo "-- Testing array_walk() function with one argument --\n";
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var_dump( array_walk($input) );
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echo "-- Testing array_walk() function with non existent callback function --\n";
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var_dump( array_walk($input, "non_existent") );
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echo "Done";
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?>
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--EXPECTF--
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*** Testing array_walk() : error conditions ***
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-- Testing array_walk() function with zero arguments --
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Warning: array_walk() expects at least 2 parameters, 0 given in %s on line %d
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NULL
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-- Testing array_walk() function with one argument --
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Warning: array_walk() expects at least 2 parameters, 1 given in %s on line %d
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NULL
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-- Testing array_walk() function with non existent callback function --
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Warning: array_walk() expects parameter 2 to be a valid callback, function 'non_existent' 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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