Get a string between 2 strings. Original: http://www.justin-cook.com/wp/2006/03/31/php-parse-a-string-between-two-strings/

get_string_between.php

<?php
/**
 *  Get a string between 2 strings.
 *
 *  @param   string   $string          The string to search
 *  @param   string   $start           The string to start with
 *  @param   string   $end             The string to end with
 *  @param   boolean  $case_sensitive  Whether to make the search case sensitive or not
 *  @return  string                    The string that was found between the start and end
 */
function get_string_between( $string, $start, $end, $case_sensitive=true )  {
    $string = " " . $string;
    $ini = ( $case_sensitive ) ? strpos( $string, $start ) : stripos( $string, $start );
    if( $ini == 0 ) return false;
    $ini += strlen( $start );
    $len = ( $case_sensitive ) ? strpos( $string, $end, $ini ) - $ini : stripos( $string, $end, $ini ) - $ini;
    return substr( $string, $ini, $len );
}