Remove the first element from an array, and return the value of the removed element in PHP

Description

The following code shows how to remove the first element from an array, and return the value of the removed element.

Example

/*from   ww w.  j  ava 2s .co m*/
<?php
    $a=array("a"=>"red","b"=>"green","c"=>"blue");
    echo array_shift($a);
    print_r ($a);
?>

The code above generates the following result.