3v4l.org

run code in 300+ PHP versions simultaneously
<?php $passwords = [ 'Password123LOLaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabfjhys' => '3e!-uh5Cxkk!6btWU5?R', 'Password123LOLaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaruobbk' => '1ed+&$U( n=^K.`R"x(L', 'Password123LOL!aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaapnbggv' => 'ZD7<t,=B&_l?#u:K$!f*', 'Password123LOL!aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabdiappm' => 'K6G_hA21;kKX$ 4?!z6.', ]; $i = 1000; foreach ($passwords as $long => $short) { $s = random_bytes(16); $h1 = hash_pbkdf2('sha1', $long, $s, $i); $h2 = hash_pbkdf2('sha1', $short, $s, $i); var_dump(hash_equals($h1, $h2)); }

preferences:
29.53 ms | 407 KiB | 5 Q