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43 lines
1.2 KiB
PHP
43 lines
1.2 KiB
PHP
--TEST--
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Test array_walk_recursive() function : usage variations - buit-in function as callback
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--FILE--
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<?php
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/* Prototype : bool array_walk_recursive(array $input, string $funcname [, mixed $userdata])
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* Description: Apply a user function to every member of an array
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* Source code: ext/standard/array.c
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*/
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/*
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* Passing different buit-in functionns as callback function
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* pow function
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* min function
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* echo language construct
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*/
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echo "*** Testing array_walk_recursive() : built-in function as callback ***\n";
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$input = array(array(2 => 1, 65), array(98, 100), array(6 => -4));
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echo "-- With 'pow' built-in function --\n";
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var_dump( array_walk_recursive($input, 'pow'));
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echo "-- With 'min' built-in function --\n";
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var_dump( array_walk_recursive($input, "min"));
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echo "-- With 'echo' language construct --\n";
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var_dump( array_walk_recursive($input, "echo"));
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echo "Done"
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?>
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--EXPECTF--
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*** Testing array_walk_recursive() : built-in function as callback ***
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-- With 'pow' built-in function --
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bool(true)
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-- With 'min' built-in function --
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bool(true)
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-- With 'echo' language construct --
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Warning: array_walk_recursive() expects parameter 2 to be a valid callback, function 'echo' 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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