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--TEST--
Test array_key_exists() function : usage variations - multidimensional arrays
--FILE--
<?php
/* Prototype : bool array_key_exists(mixed $key, array $search)
* Description: Checks if the given key or index exists in the array
* Source code: ext/standard/array.c
* Alias to functions: key_exists
*/
/*
* Test how array_key_exists() behaves with multi-dimensional arrays
*/
echo "*** Testing array_key_exists() : usage variations ***\n";
$multi_array = array ('zero' => 'val1',
'one' => 'val2',
'sub1' => array (1, 2, 3));
echo "\n-- Attempt to match key in sub-array --\n";
// this key is in the sub-array
var_dump(array_key_exists(0, $multi_array));
echo "\n-- \$search arg points to sub-array --\n";
var_dump(array_key_exists(0, $multi_array['sub1']));
echo "Done";
?>
--EXPECTF--
*** Testing array_key_exists() : usage variations ***
-- Attempt to match key in sub-array --
bool(false)
-- $search arg points to sub-array --
bool(true)
Done
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