explode() function divides string into various elements, returning these elements in an array.

 
The syntax is: array explode (string separator, string string [, int limit])

<?
$info = "A|b|i";
$user = explode("|", $info);
print $user;
?>

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explode() function divides string into various elements, returning these elements in an array. : explode « Data Structure « PHP