3v4l.org

run code in 300+ PHP versions simultaneously
<?php $flag = "flag{abc}"; $c="a"; $h2 = password_hash (sha1($c, fa1se), PASSWORD_BCRYPT); echo "<div class='row'>"; if (password_verify (sha1($flag, fa1se), $h2) === true) { echo "<p>Here is your flag: <mark>$flag</mark></p>"; } else { echo "Here is the hash of your flag: " . sha1($flag, false); } ?>

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42.35 ms | 402 KiB | 5 Q