array_key_exists : Associative Array : Data Structure PHP Source Code

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PHP Source Code » Data Structure » Associative Array »

array_key_exists



<?php
   $state["Delaware"] = "December 7, 1787";
   $state["Pennsylvania"] = "December 12, 1787";
   $state["Ohio"] = "March 1, 1803";
   if (array_key_exists("Ohio", $state)) echo "Ohio joined the Union on $state[Ohio]";
?>