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speedygfw/gist:7153586

Created October 25, 2013 12:01
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Unterschiede zwischen isset und array_key_exists
Raw
gistfile1.php
<?php
$a = array('key1' => 'gesetzt', 'key2' => null);
isset($a['key1']); // true
array_key_exists('key1', $a); // true
isset($a['key2']); // false
array_key_exists('key2', $a); // true
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