3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * http://stackoverflow.com/questions/9262109/php-simplest-two-way-encryption/30189841#30189841 * * This is not safe to use */ class UnsafeCrypto { const METHOD = 'aes-256-ctr'; /** * Encrypts (but does not authenticate) a message * * @param string $message - plaintext message * @param string $key - encryption key (raw binary expected) * @param boolean $encode - set to TRUE to return a base64-encoded * @return string (raw binary) */ public static function encrypt($message, $key, $encode = false) { $nonceSize = openssl_cipher_iv_length(self::METHOD); $nonce = openssl_random_pseudo_bytes($nonceSize); $ciphertext = openssl_encrypt( $message, self::METHOD, $key, OPENSSL_RAW_DATA, $nonce ); // Now let's pack the IV and the ciphertext together // Naively, we can just concatenate if ($encode) { return base64_encode($nonce.$ciphertext); } return $nonce.$ciphertext; } /** * Decrypts (but does not verify) a message * * @param string $message - ciphertext message * @param string $key - encryption key (raw binary expected) * @param boolean $encoded - are we expecting an encoded string? * @return string */ public static function decrypt($message, $key, $encoded = false) { if ($encoded) { $message = base64_decode($message, true); if ($message === false) { throw new Exception('Encryption failure'); } } $nonceSize = openssl_cipher_iv_length(self::METHOD); $nonce = mb_substr($message, 0, $nonceSize, '8bit'); $ciphertext = mb_substr($message, $nonceSize, null, '8bit'); $plaintext = openssl_decrypt( $ciphertext, self::METHOD, $key, OPENSSL_RAW_DATA, $nonce ); return $plaintext; } } $message = 'Ready your ammunition; we attack at dawn.'; $key = hex2bin('000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f'); $encrypted = UnsafeCrypto::encrypt($message, $key); $decrypted = UnsafeCrypto::decrypt($encrypted, $key); var_dump($encrypted, $decrypted);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.20.0030.00617.63
8.4.10.0070.00317.84
8.3.150.0100.00717.36
8.3.140.0120.00318.07
8.3.130.0150.00817.52
8.3.120.0150.00518.55
8.3.110.0230.00517.58
8.3.100.0230.00616.70
8.3.90.0220.00718.57
8.3.80.0220.00516.64
8.3.70.0210.00516.88
8.3.60.0190.00719.87
8.3.50.0140.00818.97
8.3.40.0190.00619.11
8.3.30.0170.00819.61
8.3.20.0180.00720.26
8.3.10.0170.00620.48
8.3.00.0150.00620.38
8.2.260.0040.00418.49
8.2.250.0150.00817.70
8.2.240.0130.00916.74
8.2.230.0170.00617.79
8.2.220.0160.00720.87
8.2.210.0140.00918.56
8.2.200.0160.00416.73
8.2.190.0170.00516.73
8.2.180.0150.00419.32
8.2.170.0200.00618.98
8.2.160.0190.00819.82
8.2.150.0180.00619.77
8.2.140.0160.00720.32
8.2.130.0150.00723.58
8.2.120.0170.00520.32
8.2.110.0160.00620.84
8.2.100.0200.00520.06
8.2.90.0190.00519.64
8.2.80.0190.00519.90
8.2.70.0130.00622.57
8.2.60.0140.00622.58
8.2.50.0150.00522.58
8.2.40.0120.00722.08
8.2.30.0120.00621.36
8.2.20.0120.00520.99
8.2.10.0120.00620.87
8.2.00.0120.00620.75
8.1.310.0090.00516.44
8.1.300.0170.00516.44
8.1.290.0200.00521.48
8.1.280.0180.00719.02
8.1.270.0180.00620.60
8.1.260.0170.00721.38
8.1.250.0140.00821.60
8.1.240.0150.00520.39
8.1.230.0140.00620.16
8.1.220.0150.00519.56
8.1.210.0170.00419.62
8.1.200.0150.00523.04
8.1.190.0170.00423.01
8.1.180.0150.00623.07
8.1.170.0130.00722.01
8.1.160.0130.00521.68
8.1.150.0130.00521.75
8.1.140.0140.00421.24
8.1.130.0120.00520.15
8.1.120.0130.00520.20
8.1.110.0130.00519.85
8.1.100.0120.00620.09
8.1.90.0110.00519.57
8.1.80.0120.00619.55
8.1.70.0120.00519.32
8.1.60.0130.00519.55
8.1.50.0130.00519.25
8.1.40.0130.00519.11
8.1.30.0130.00518.92
8.1.20.0110.00518.79
8.1.10.0120.00518.93
8.1.00.0140.00518.90
8.0.300.0180.00519.10
8.0.290.0150.00427.47
8.0.280.0140.00521.30
8.0.270.0140.00620.87
8.0.260.0130.00520.19
8.0.250.0120.00519.69
8.0.240.0130.00419.71
8.0.230.0130.00519.66
8.0.220.0130.00319.02
8.0.210.0120.00519.22
8.0.200.0120.00519.12
8.0.190.0130.00519.03
8.0.180.0120.00418.72
8.0.170.0120.00418.58
8.0.160.0130.00418.50
8.0.150.0120.00518.39
8.0.140.0120.00518.28
8.0.130.0110.00618.15
8.0.120.0130.00418.16
8.0.110.0120.00518.06
8.0.100.0100.00417.95
8.0.90.0110.00417.87
8.0.80.0100.00517.80
8.0.70.0110.00517.83
8.0.60.0100.00617.79
8.0.50.0110.00517.80
8.0.30.0110.00717.55
8.0.20.0110.00717.59
8.0.10.0120.00717.63
8.0.00.0100.00717.60
7.4.330.0110.00419.81
7.4.320.0140.00519.23
7.4.300.0110.00418.19
7.4.290.0130.00418.27
7.4.280.0120.00517.88
7.4.270.0120.00517.83
7.4.260.0130.00517.94
7.4.250.0130.00517.78
7.4.240.0120.00517.68
7.4.230.0120.00517.63
7.4.220.0110.00517.67
7.4.210.0110.00517.50
7.4.200.0110.00517.56
7.4.190.0110.00517.59
7.4.180.0110.00517.62
7.4.160.0110.00617.32
7.4.150.0120.00617.24
7.4.140.0120.00617.17
7.4.130.0110.00717.12
7.4.120.0120.00617.08
7.4.110.0120.00717.07
7.4.100.0110.00717.10
7.4.90.0110.00717.01
7.4.80.0110.00717.02
7.4.70.0120.00717.02
7.4.60.0120.00716.98
7.4.50.0110.00716.91
7.4.40.0110.00716.92
7.4.30.0110.00716.92
7.4.20.0110.00716.89
7.4.10.0110.00716.84
7.4.00.0090.00816.80
7.3.330.0130.00518.21
7.3.320.0140.00517.66
7.3.310.0130.00417.69
7.3.300.0130.00417.53
7.3.290.0120.00517.39
7.3.280.0120.00517.22
7.3.270.0120.00617.10
7.3.260.0120.00617.06
7.3.250.0120.00617.03
7.3.240.0120.00716.98
7.3.230.0120.00716.99
7.3.220.0130.00617.15
7.3.210.0120.00716.90
7.3.200.0120.00716.89
7.3.190.0120.00716.89
7.3.180.0120.00716.86
7.3.170.0120.00716.84
7.3.160.0120.00716.82
7.3.150.0120.00716.81
7.3.140.0120.00716.78
7.3.130.0120.00716.72
7.3.120.0110.00716.62
7.3.110.0110.00816.56
7.3.100.0120.00716.48
7.3.90.0120.00716.60
7.3.80.0110.00716.46
7.3.70.0110.00716.42
7.3.60.0110.00716.39
7.3.50.0110.00716.36
7.3.40.0110.00716.33
7.3.30.0110.00716.32
7.3.20.0150.00716.68
7.3.10.0200.00716.57
7.3.00.0180.00716.56
7.2.340.0150.00716.97
7.2.330.0160.00716.94
7.2.320.0150.00816.92
7.2.310.0140.00816.88
7.2.300.0150.00716.88
7.2.290.0140.00816.87
7.2.280.0140.00816.86
7.2.270.0140.00816.83
7.2.260.0140.00816.77
7.2.250.0140.00816.71
7.2.240.0140.00816.65
7.2.230.0130.00816.60
7.2.220.0130.00816.56
7.2.210.0130.00816.52
7.2.200.0140.00816.57
7.2.190.0130.00816.50
7.2.180.0130.00816.47
7.2.170.0130.00816.48
7.2.160.0130.00816.46
7.2.150.0170.00816.85
7.2.140.0160.00816.86
7.2.130.0200.00816.84
7.2.120.0200.00816.82
7.2.110.0210.00816.79
7.2.100.0220.00816.78
7.2.90.0200.00816.77
7.2.80.0190.00816.77
7.2.70.0210.00816.78
7.2.60.0190.00816.77
7.2.50.0210.00816.77
7.2.40.0200.00816.81
7.2.30.0210.00816.82
7.2.20.0200.00816.80
7.2.10.0190.00816.79
7.2.00.0190.00816.82
7.1.330.0160.00716.21
7.1.320.0160.00816.07
7.1.310.0160.00716.03
7.1.300.0150.00715.97
7.1.290.0150.00715.97
7.1.280.0150.00715.94
7.1.270.0170.00816.00
7.1.260.0150.00715.90
7.1.250.0200.00715.77
7.1.240.0210.00715.78
7.1.230.0210.00815.79
7.1.220.0220.00815.78
7.1.210.0210.00715.77
7.1.200.0210.00815.77
7.1.190.0200.00715.78
7.1.180.0200.00815.75
7.1.170.0220.00715.75
7.1.160.0230.00715.76
7.1.150.0210.00715.76
7.1.140.0200.00715.78
7.1.130.0200.00715.78
7.1.120.0210.00815.76
7.1.110.0220.00715.79
7.1.100.0210.00715.78
7.1.90.0190.00715.79
7.1.80.0200.00715.81
7.1.70.0200.00715.73
7.1.60.0210.00715.98
7.1.50.0190.00815.98
7.1.40.0190.00715.96
7.1.30.0190.00715.96
7.1.20.0190.00815.95
7.1.10.0210.00715.77
7.1.00.0200.00715.79
7.0.330.0210.00715.53
7.0.320.0200.00715.51
7.0.310.0220.00715.47
7.0.300.0210.00715.49
7.0.290.0220.00715.48
7.0.280.0200.00815.49
7.0.270.0200.00715.49
7.0.260.0210.00715.50
7.0.250.0220.00715.56
7.0.240.0210.00715.58
7.0.230.0200.00715.56
7.0.220.0200.00715.54
7.0.210.0190.00815.52
7.0.200.0180.00715.53
7.0.190.0190.00715.51
7.0.180.0180.00715.54
7.0.170.0210.00715.55
7.0.160.0190.00715.49
7.0.150.0200.00715.51
7.0.140.0190.00715.52
7.0.130.0190.00715.59
7.0.120.0180.00715.54
7.0.110.0190.00715.51
7.0.100.0180.00715.49
7.0.90.0170.00815.49
7.0.80.0180.00715.47
7.0.70.0180.00715.48
7.0.60.0180.00815.50
7.0.50.0170.00715.49
7.0.40.0170.00715.51
7.0.30.0180.00715.52
7.0.20.0180.00715.48
7.0.10.0170.00715.51
7.0.00.0170.00715.48
5.6.400.0130.00815.90
5.6.390.0140.00915.81
5.6.380.0140.00815.71
5.6.370.0140.00815.70
5.6.360.0140.00815.70
5.6.350.0140.00915.69
5.6.340.0140.00815.70
5.6.330.0140.00815.70
5.6.320.0140.00815.72
5.6.310.0140.00815.71
5.6.300.0150.00815.67
5.6.290.0140.00815.71
5.6.280.0140.00815.72
5.6.270.0140.00815.70
5.6.260.0140.00815.70
5.6.250.0140.00815.69
5.6.240.0140.00815.71
5.6.230.0140.00815.73
5.6.220.0140.00815.75
5.6.210.0140.00915.70
5.6.200.0140.00815.74
5.6.190.0140.00815.75
5.6.180.0140.00915.72
5.6.170.0140.00915.75
5.6.160.0140.00815.75
5.6.150.0140.00815.74
5.6.140.0150.00815.73
5.6.130.0140.00815.73
5.6.120.0140.00815.73
5.6.110.0140.00815.70
5.6.100.0140.00915.69
5.6.90.0140.00815.68
5.6.80.0140.00815.65
5.6.70.0130.00915.70
5.6.60.0140.00815.69
5.6.50.0130.00815.64
5.6.40.0140.00815.69
5.6.30.0140.00815.65
5.6.20.0130.00915.62
5.6.10.0140.00815.63
5.6.00.0140.00815.72
5.5.380.0140.00815.59
5.5.370.0140.00915.52
5.5.360.0150.00815.43
5.5.350.0140.00815.43
5.5.340.0140.00815.43
5.5.330.0150.00815.44
5.5.320.0140.00815.43
5.5.310.0150.00815.45
5.5.300.0140.00815.41
5.5.290.0150.00815.42
5.5.280.0140.00815.42
5.5.270.0150.00815.41
5.5.260.0150.00715.42
5.5.250.0150.00815.41
5.5.240.0140.00815.44
5.5.230.0140.00815.39
5.5.220.0140.00815.40
5.5.210.0140.00815.43
5.5.200.0140.00815.36
5.5.190.0140.00815.36
5.5.180.0150.00715.36
5.5.170.0140.00815.42
5.5.160.0140.00815.38
5.5.150.0140.00815.33
5.5.140.0140.00815.33
5.5.130.0140.00815.31
5.5.120.0140.00815.32
5.5.110.0140.00815.35
5.5.100.0140.00815.41
5.5.90.0140.00815.51
5.5.80.0140.00815.40
5.5.70.0140.00815.45
5.5.60.0140.00815.41
5.5.50.0140.00815.42
5.5.40.0140.00815.42
5.5.30.0140.00815.42
5.5.20.0140.00815.42
5.5.10.0140.00815.36
5.5.00.0130.00815.33
5.4.450.0110.00613.02
5.4.440.0110.00613.02
5.4.430.0110.00613.00
5.4.420.0110.00613.01
5.4.410.0120.00613.01
5.4.400.0110.00612.97
5.4.390.0110.00612.97
5.4.380.0120.00612.97
5.4.370.0120.00612.97
5.4.360.0110.00612.98
5.4.350.0120.00612.96
5.4.340.0110.00613.06
5.4.330.0110.00612.96
5.4.320.0120.00613.00
5.4.310.0120.00612.97
5.4.300.0110.00612.99
5.4.290.0110.00612.99
5.4.280.0110.00612.97
5.4.270.0110.00612.99
5.4.260.0120.00612.96
5.4.250.0120.00612.96
5.4.240.0110.00612.96
5.4.230.0110.00612.89
5.4.220.0110.00612.89
5.4.210.0120.00612.89
5.4.200.0120.00612.90
5.4.190.0110.00612.89
5.4.180.0120.00612.90
5.4.170.0120.00612.92
5.4.160.0120.00612.92
5.4.150.0110.00612.90
5.4.140.0110.00612.98
5.4.130.0110.00612.97
5.4.120.0110.00613.00
5.4.110.0110.00612.99
5.4.100.0110.00613.00
5.4.90.0110.00612.98
5.4.80.0110.00613.02
5.4.70.0110.00613.01
5.4.60.0110.00613.01
5.4.50.0110.00612.97
5.4.40.0110.00612.99
5.4.30.0110.00613.01
5.4.20.0110.00613.02
5.4.10.0110.00613.01
5.4.00.0110.00612.91

preferences:
35.53 ms | 403 KiB | 5 Q