Online PHP editor | refs for BlrV6

@ 2018-06-18T05:05:35Z

<?php
$main_string = "23/CSE/4/2014";
$sub_string = "CSE/4/2014";

echo str_replace($sub_string, '', $main_string);
echo "\n";

$main_string = "CSE/4/2014/23";
$sub_string = "CSE/4/2014";

echo str_replace($sub_string, '', $main_string);