Online PHP editor | refs for t6TmH

<?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));