run code in 200+ php & hhvm versions
Bugs & Features
<?php function insecureEncryptDoNotUse(string $plaintext, string $key): string { return \bin2hex( \openssl_encrypt( $plaintext, 'aes-128-ecb', $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING ) ); } $key = str_repeat("3.14", 4); var_dump(insecureEncryptDoNotUse('YELLOW SUBMARINE', $key)); var_dump(insecureEncryptDoNotUse('ORANGE SUBMARINE', $key)); var_dump(insecureEncryptDoNotUse('YELLOW SUBMARINE' . 'ORANGE SUBMARINE', $key));
based on uq1BY

Here you find the average performance (time & memory) of each version. A greyed out version indicates it didn't complete successfully (based on exit-code).
Note: hhvm uses a JIT which only kicks in after a few runs. Since we run scripts only once, hhvm always runs slower.

VersionSystem time (s)User time (s)Memory (MiB)