tryphp_func_string_md53.php:
<!DOCTYPE html> <html> <body> <?php $str = "Hello"; echo md5($str); if (md5($str) == "8b1a9953c4611296a827abf8c47804d7") { echo "<br>Hello world!"; exit; } ?> </body> </html>
8b1a9953c4611296a827abf8c47804d7
Hello world!