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array_walk_recursive_variation8.phpt
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Tue Feb 21 23:48:03 2012 UTC (12 years, 6 months ago) by
misho
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CVS tags:
v5_4_3elwix,
v5_4_29p0,
v5_4_29,
v5_4_20p0,
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php
--TEST--
Test array_walk_recursive() function : usage variations - buit-in function as callback
--FILE--
<?php
/* Prototype : bool array_walk_recursive(array $input, string $funcname [, mixed $userdata])
* Description: Apply a user function to every member of an array
* Source code: ext/standard/array.c
*/
/*
* Passing different buit-in functionns as callback function
* pow function
* min function
* echo language construct
*/
echo "*** Testing array_walk_recursive() : built-in function as callback ***\n";
$input = array(array(2 => 1, 65), array(98, 100), array(6 => -4));
echo "-- With 'pow' built-in function --\n";
var_dump( array_walk_recursive($input, 'pow'));
echo "-- With 'min' built-in function --\n";
var_dump( array_walk_recursive($input, "min"));
echo "-- With 'echo' language construct --\n";
var_dump( array_walk_recursive($input, "echo"));
echo "Done"
?>
--EXPECTF--
*** Testing array_walk_recursive() : built-in function as callback ***
-- With 'pow' built-in function --
bool(true)
-- With 'min' built-in function --
bool(true)
-- With 'echo' language construct --
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
NULL
Done
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