<?php $str1 = 'Hello world!'; //coming from the database $str2 = 'hello'; // coming from $_GET user input function str_contains_old(string $hay, string $needle) { return mb_stripos($hay, $needle) !== false; } var_dump(str_contains_old($str1, $str2)); var_dump(str_contains($str1, $str2));
You have javascript disabled. You will not be able to edit any code.