Search an array for a value and return its key in PHP

Description

The following code shows how to search an array for a value and return its key.

Example

//from   w  ww . ja  v a 2  s . c  om
<?php
    $a=array("a"=>"red","b"=>"green","c"=>"blue");
    echo array_search("red",$a);
?>

The code above generates the following result.