PHP:: Get part of String based on start and end pattern

getStrpart.php

<?php

function getStringpart($string,$startStr,$endStr) 
{
$startpos=strpos($string,$startStr);
$endpos=strpos($string,$endStr,$startpos);
$endpos=$endpos-$startpos;
$string=substr($string,$startpos,$endpos);

return $string;
}