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39 lines
1012 B
PHP
39 lines
1012 B
PHP
--TEST--
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Test array_key_exists() function : usage variations - multidimensional arrays
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--FILE--
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<?php
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/* Prototype : bool array_key_exists(mixed $key, array $search)
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* Description: Checks if the given key or index exists in the array
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* Source code: ext/standard/array.c
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* Alias to functions: key_exists
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*/
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/*
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* Test how array_key_exists() behaves with multi-dimensional arrays
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*/
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echo "*** Testing array_key_exists() : usage variations ***\n";
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$multi_array = array ('zero' => 'val1',
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'one' => 'val2',
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'sub1' => array (1, 2, 3));
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echo "\n-- Attempt to match key in sub-array --\n";
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// this key is in the sub-array
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var_dump(array_key_exists(0, $multi_array));
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echo "\n-- \$search arg points to sub-array --\n";
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var_dump(array_key_exists(0, $multi_array['sub1']));
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echo "Done";
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?>
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--EXPECTF--
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*** Testing array_key_exists() : usage variations ***
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-- Attempt to match key in sub-array --
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bool(false)
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-- $search arg points to sub-array --
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bool(true)
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Done
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