- var_dump: documentation ( source)
- preg_match: documentation ( source)
<?php
function doescontain($tocheck, $inlong){
preg_match("/$tocheck/", $inlong, $matches);
return !empty($matches[0]);
}
$tocheck = 'aba';
$inlong = 'dzamburu n koma baba n dingo';
$d = doescontain($tocheck, $inlong);
var_dump($d);