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Annotation of embedaddon/php/ext/standard/tests/array/array_filter_variation9.phpt, revision 1.1

1.1     ! misho       1: --TEST--
        !             2: Test array_filter() function : usage variations - built-in functions as 'callback' argument 
        !             3: --FILE--
        !             4: <?php
        !             5: /* Prototype  : array array_filter(array $input [, callback $callback])
        !             6:  * Description: Filters elements from the array via the callback. 
        !             7:  * Source code: ext/standard/array.c
        !             8: */
        !             9: 
        !            10: /*
        !            11: * Passing built-in functions and different language constructs as 'callback' argument
        !            12: */
        !            13: 
        !            14: echo "*** Testing array_filter() : usage variations - built-in functions as 'callback' argument ***\n";
        !            15: 
        !            16: $input = array(0, 1, -1, 10, 100, 1000, 'Hello', null);
        !            17: 
        !            18: // using built-in function 'is_int' as 'callback'
        !            19: var_dump( array_filter($input, 'is_int') );
        !            20: 
        !            21: // using built-in function 'chr' as 'callback'
        !            22: var_dump( array_filter($input, 'chr') );
        !            23: 
        !            24: // using language construct 'echo' as 'callback'
        !            25: var_dump( array_filter($input, 'echo') );
        !            26: 
        !            27: // using language construct 'exit' as 'callback' 
        !            28: var_dump( array_filter($input, 'exit') );
        !            29: 
        !            30: echo "Done"
        !            31: ?>
        !            32: --EXPECTF--
        !            33: *** Testing array_filter() : usage variations - built-in functions as 'callback' argument ***
        !            34: array(6) {
        !            35:   [0]=>
        !            36:   int(0)
        !            37:   [1]=>
        !            38:   int(1)
        !            39:   [2]=>
        !            40:   int(-1)
        !            41:   [3]=>
        !            42:   int(10)
        !            43:   [4]=>
        !            44:   int(100)
        !            45:   [5]=>
        !            46:   int(1000)
        !            47: }
        !            48: array(8) {
        !            49:   [0]=>
        !            50:   int(0)
        !            51:   [1]=>
        !            52:   int(1)
        !            53:   [2]=>
        !            54:   int(-1)
        !            55:   [3]=>
        !            56:   int(10)
        !            57:   [4]=>
        !            58:   int(100)
        !            59:   [5]=>
        !            60:   int(1000)
        !            61:   [6]=>
        !            62:   string(5) "Hello"
        !            63:   [7]=>
        !            64:   NULL
        !            65: }
        !            66: 
        !            67: Warning: array_filter() expects parameter 2 to be a valid callback, function 'echo' not found or invalid function name in %s on line %d
        !            68: NULL
        !            69: 
        !            70: Warning: array_filter() expects parameter 2 to be a valid callback, function 'exit' not found or invalid function name in %s on line %d
        !            71: NULL
        !            72: Done