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51 lines
1.7 KiB
PHP
51 lines
1.7 KiB
PHP
--TEST--
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Test array_filter() function : error conditions
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--FILE--
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<?php
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/* Prototype : array array_filter(array $input [, callback $callback])
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* Description: Filters elements from the array via the callback.
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* Source code: ext/standard/array.c
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*/
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echo "*** Testing array_filter() : error conditions ***\n";
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// zero arguments
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echo "-- Testing array_filter() function with Zero arguments --";
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var_dump( array_filter() );
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$input = array(0, 1, 2, 3, 5);
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/* callback function
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* Prototype : bool odd(array $input)
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* Parameters : $input - array for which each elements should be checked into the function
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* Return Type : bool - true if element is odd and returns false otherwise
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* Description : Function takes array as input and checks for its each elements.
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*/
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function odd($input)
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{
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return ($input % 2 != 0);
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}
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$extra_arg = 10;
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// with one more than the expected number of arguments
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echo "-- Testing array_filter() function with more than expected no. of arguments --";
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var_dump( array_filter($input, "odd", $extra_arg) );
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// with incorrect callback function
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echo "-- Testing array_filter() function with incorrect callback --";
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var_dump( array_filter($input, "even") );
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echo "Done"
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?>
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--EXPECTF--
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*** Testing array_filter() : error conditions ***
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-- Testing array_filter() function with Zero arguments --
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Warning: array_filter() expects at least 1 parameter, 0 given in %s on line %d
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NULL
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-- Testing array_filter() function with more than expected no. of arguments --
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Warning: array_filter() expects at most 2 parameters, 3 given in %s on line %d
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NULL
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-- Testing array_filter() function with incorrect callback --
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Warning: array_filter() expects parameter 2 to be valid callback, string given in %s on line %d
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NULL
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Done
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