3v4l.org

run code in 300+ PHP versions simultaneously
<?php $key = '1521dc4feb1f44efec8a8936a28c1eb8'; // $key = base64_decode($key); $message = 'I want to decode this'; // $iv = mcrypt_create_iv(16, MCRYPT_DEV_URANDOM); $iv = '0000000000000000'; print $iv.'<p>'; $encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $message, MCRYPT_MODE_CBC, $iv); $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, $encrypted, MCRYPT_MODE_CBC, $iv); print base64_encode($encrypted); ?>

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)
8.3.60.0090.01218.30
8.3.50.0190.00321.24
8.3.40.0150.00018.63
8.3.30.0150.00318.85
8.3.20.0020.00520.09
8.3.10.0080.00021.76
8.3.00.0030.00519.69
8.2.180.0110.00716.63
8.2.170.0100.00722.96
8.2.160.0100.00320.43
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00417.50
8.2.110.0070.00420.23
8.2.100.0060.00617.75
8.2.90.0040.00419.26
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0000.00818.04
8.2.50.0000.00918.07
8.2.40.0000.00920.93
8.2.30.0070.00017.93
8.2.20.0000.00817.67
8.2.10.0040.00418.12
8.2.00.0050.00317.98
8.1.280.0070.00725.92
8.1.270.0040.01120.23
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00022.18
8.1.230.0080.00317.64
8.1.220.0070.00017.74
8.1.210.0060.00318.77
8.1.200.0000.00817.35
8.1.190.0000.00917.35
8.1.180.0000.00718.10
8.1.170.0030.00518.49
8.1.160.0000.00923.74
8.1.150.0030.00618.77
8.1.140.0060.00317.38
8.1.130.0050.00217.39
8.1.120.0000.00717.29
8.1.110.0000.00817.39
8.1.100.0030.00417.36
8.1.90.0070.00017.39
8.1.80.0050.00417.27
8.1.70.0070.00017.38
8.1.60.0040.00417.40
8.1.50.0000.00817.55
8.1.40.0000.00817.48
8.1.30.0040.00417.65
8.1.20.0060.00317.71
8.1.10.0070.00017.58
8.1.00.0070.00017.44
8.0.300.0080.00018.77
8.0.290.0000.00816.88
8.0.280.0000.00818.42
8.0.270.0030.00317.17
8.0.260.0080.00016.91
8.0.250.0050.00317.04
8.0.240.0050.00316.92
8.0.230.0030.00316.99
8.0.220.0000.00716.82
8.0.210.0030.00316.84
8.0.200.0030.00316.97
8.0.190.0060.00316.96
8.0.180.0040.00416.80
8.0.170.0000.00716.88
8.0.160.0000.00916.98
8.0.150.0040.00416.91
8.0.140.0020.00516.89
8.0.130.0000.00513.41
8.0.120.0000.00816.98
8.0.110.0030.00516.96
8.0.100.0070.00016.75
8.0.90.0080.00016.95
8.0.80.0090.00616.99
8.0.70.0000.00716.94
8.0.60.0070.00017.00
8.0.50.0000.00716.89
8.0.30.0090.00917.08
8.0.20.0090.00917.40
8.0.10.0040.00417.07
8.0.00.0080.01016.72
7.4.330.0060.00015.14
7.4.320.0030.00316.37
7.4.300.0030.00316.66
7.4.290.0060.00016.50
7.4.280.0000.00716.67
7.4.270.0030.00316.51
7.4.260.0050.00216.59
7.4.250.0050.00316.49
7.4.240.0020.00516.65
7.4.230.0000.00716.50
7.4.220.0120.01216.56
7.4.210.0040.01116.47
7.4.200.0030.00316.39
7.4.160.0100.00716.52
7.4.150.0120.00917.40
7.4.140.0100.00817.86
7.4.130.0130.00316.61
7.4.120.0090.00816.52
7.4.110.0130.00316.34
7.4.100.0000.02216.41
7.4.90.0110.00716.58
7.4.80.0140.00319.39
7.4.70.0030.01716.43
7.4.60.0070.01016.43
7.4.50.0030.00616.55
7.4.40.0080.00816.48
7.4.30.0100.00716.78
7.4.00.0130.00014.93
7.3.330.0020.00313.21
7.3.320.0050.00013.26
7.3.310.0070.00016.38
7.3.300.0030.00316.37
7.3.290.0030.01416.34
7.3.280.0090.00716.35
7.3.270.0140.00317.40
7.3.260.0040.01316.34
7.3.250.0100.00816.41
7.3.240.0030.01416.32
7.3.230.0120.00916.45
7.3.210.0070.01016.29
7.3.200.0160.00619.39
7.3.190.0070.01016.39
7.3.180.0090.00916.42
7.3.170.0060.01016.41
7.3.160.0140.00816.41
7.3.10.0100.00716.48
7.3.00.0160.01016.27
7.2.330.0130.00716.63
7.2.320.0090.01216.75
7.2.310.0060.01216.32
7.2.300.0030.01316.39
7.2.290.0070.01016.72
7.2.130.0190.00816.36
7.2.120.0100.00316.65
7.2.110.0150.01016.34
7.2.100.0150.00716.25
7.2.90.0200.01416.75
7.2.80.0140.00816.36
7.2.70.0180.00716.28
7.2.60.0110.01016.58
7.2.50.0190.01116.15
7.2.40.0220.00716.80
7.2.30.0150.01816.85
7.2.20.0250.00616.55
7.2.10.0180.00816.33
7.2.00.0080.00918.09
7.1.250.0100.01015.09
7.1.200.0150.00715.76
7.1.100.0000.01317.86
7.1.70.0070.01017.06
7.1.60.0150.00920.03
7.1.50.0140.00316.80
7.1.00.0070.07322.45
7.0.200.0120.00416.79
7.0.60.0170.08019.96
7.0.50.0100.07717.88
7.0.40.0070.04020.09
7.0.30.0300.07720.34
7.0.20.0130.09020.16
7.0.10.0070.05720.23
7.0.00.0100.06720.08
5.6.210.0070.06720.76
5.6.200.0030.04718.13
5.6.190.0070.04320.77
5.6.180.3300.04020.54
5.6.170.0230.08020.62
5.6.160.0070.05020.55
5.6.150.0130.04018.24
5.6.140.0030.04718.19
5.6.130.0130.07318.09
5.6.120.0130.07321.16
5.6.110.0100.08721.15
5.6.100.0070.04321.12
5.6.90.0100.07321.01
5.6.80.0130.06720.30
5.6.70.4270.04020.45
5.5.350.0330.06720.42
5.5.340.0100.08018.11
5.5.330.0030.06020.24
5.5.320.0270.06720.13
5.5.310.0270.08020.13
5.5.300.0170.03717.89
5.5.290.0170.06718.02
5.5.280.0070.08320.88
5.5.270.0170.07321.00
5.5.260.0230.05720.86
5.5.250.0030.07720.52
5.5.240.0370.05020.42
5.4.450.0630.06319.50
5.4.440.0530.05319.32
5.4.430.0430.06319.13
5.4.420.0570.06319.45
5.4.410.0470.06719.36
5.4.400.0570.04319.15
5.4.390.0470.05319.30
5.4.380.0500.05018.81
5.4.370.0600.05319.14
5.4.360.0630.05019.19
5.4.350.0630.04718.95
5.4.340.0630.05019.31
5.4.320.0500.04719.30
5.4.310.0430.05719.14
5.4.300.0500.06719.30
5.4.290.0530.05019.09
5.4.280.0430.06018.95
5.4.270.0530.05319.33
5.4.260.0830.07319.13
5.4.250.0500.05019.19
5.4.240.0470.05019.32
5.4.230.0300.05319.33
5.4.220.0100.05319.34
5.4.210.0100.05019.20
5.4.200.0130.05016.82
5.4.190.0630.04719.25
5.4.180.0500.06018.87
5.4.170.0600.04018.82
5.4.160.0670.04719.17
5.4.150.0600.05718.96
5.4.140.0770.06316.66
5.4.130.0630.04316.35
5.4.120.0700.03716.50
5.4.110.0630.05316.50
5.4.100.0600.05316.45
5.4.90.0500.06016.55
5.4.80.0430.05316.38
5.4.70.0500.04716.26
5.4.60.0470.05016.30
5.4.50.0400.05316.37
5.4.40.0500.05316.40
5.4.30.0570.05016.21
5.4.20.0430.05316.35
5.4.10.0670.07316.25
5.4.00.0700.05016.00

preferences:
45.16 ms | 401 KiB | 5 Q