PHP How to Check If A Key Exists in Associative Array October 20, 2011 | By Duchateaux. PHP 5 Check if Key Exist in Assoc Array If you have an Array $kvarray of Pairs Key-Value and the Key is stored in the $key Variable you Check if it’s present in the Array’s Index by the function: array_key_exists($key, $kvarray) Tags: PHP « PHP What the Difference Between Include and Require PHP Security Password Protection With the Hash_hmac Function » Tutorial for Linux Step-by-step GNU/Linux Tutorials for Beginners
