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a541bb8078
- Update README.PARAMETER_PARSING_API
81 lines
2.0 KiB
PHP
81 lines
2.0 KiB
PHP
--TEST--
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Test array_filter() function : usage variations - anonymous callback functions
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--FILE--
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<?php
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/* Prototype : array array_filter(array $input [, callback $callback])
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* Description: Filters elements from the array via the callback.
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* Source code: ext/standard/array.c
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*/
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/*
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* Passing different anonymous callback functions with passed by value and reference arguments
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*/
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echo "*** Testing array_filter() : usage variations - Anonymous callback functions ***\n";
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$input = array(0, 1, -1, 10, 100, 1000, 'Hello', null);
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// anonymous callback function
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echo "Anonymous callback function with regular parameter and statement\n";
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var_dump( array_filter($input, create_function('$input', 'return ($input > 1);') ) );
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// anonymous callback function with reference
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echo "Anonymous callback function with reference parameter\n";
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var_dump( array_filter($input, create_function('&$input', 'return ($input < 1);') ) );
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// anonymous callback function with null argument
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echo "Anonymous callback funciton with null argument\n";
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var_dump( array_filter($input, create_function(null, 'return true;') ) );
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// anonymous callback function with argument and null statement
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echo "Anonymous callback function with regular argument and null statement\n";
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var_dump( array_filter($input, create_function('$input', null) ) );
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echo "Done"
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?>
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--EXPECTF--
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*** Testing array_filter() : usage variations - Anonymous callback functions ***
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Anonymous callback function with regular parameter and statement
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array(3) {
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[3]=>
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int(10)
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[4]=>
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int(100)
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[5]=>
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int(1000)
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}
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Anonymous callback function with reference parameter
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array(4) {
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[0]=>
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int(0)
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[2]=>
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int(-1)
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[6]=>
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string(5) "Hello"
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[7]=>
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NULL
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}
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Anonymous callback funciton with null argument
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array(8) {
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[0]=>
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int(0)
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[1]=>
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int(1)
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[2]=>
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int(-1)
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[3]=>
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int(10)
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[4]=>
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int(100)
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[5]=>
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int(1000)
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[6]=>
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string(5) "Hello"
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[7]=>
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NULL
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}
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Anonymous callback function with regular argument and null statement
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array(0) {
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}
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Done
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