3v4l.org

run code in 300+ PHP versions simultaneously
<?php $key = 'FSHcT+sfRO/siok2ooweuA=='; $key = base64_decode($key); $message = 'I want to decode this'; $iv = mcrypt_create_iv(16, MCRYPT_DEV_URANDOM); 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)
8.3.70.0120.00316.57
8.3.60.0070.00718.55
8.3.50.0130.00520.96
8.3.40.0090.00618.87
8.3.30.0090.00618.86
8.3.20.0070.01020.16
8.3.10.0060.00921.67
8.3.00.0030.00519.68
8.2.180.0150.00616.88
8.2.170.0040.01122.96
8.2.160.0110.00019.33
8.2.150.0000.00924.18
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0060.00617.63
8.2.110.0060.00319.18
8.2.100.0060.00617.62
8.2.90.0030.00619.06
8.2.80.0050.00517.97
8.2.70.0030.00617.50
8.2.60.0040.00417.80
8.2.50.0030.00718.07
8.2.40.0040.00421.25
8.2.30.0000.00717.95
8.2.20.0080.00017.65
8.2.10.0040.00418.05
8.2.00.0000.00818.08
8.1.280.0070.01025.92
8.1.270.0130.00620.09
8.1.260.0090.00026.35
8.1.250.0070.00728.09
8.1.240.0030.00623.92
8.1.230.0060.00917.42
8.1.220.0030.00517.74
8.1.210.0000.00918.77
8.1.200.0060.00317.38
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0040.00418.46
8.1.160.0000.00823.78
8.1.150.0000.00718.86
8.1.140.0000.00817.30
8.1.130.0000.00717.59
8.1.120.0070.00017.41
8.1.110.0050.00317.45
8.1.100.0070.00017.42
8.1.90.0040.00417.43
8.1.80.0000.00817.44
8.1.70.0030.00317.33
8.1.60.0050.00517.57
8.1.50.0030.00617.57
8.1.40.0040.00417.48
8.1.30.0060.00317.65
8.1.20.0000.00717.51
8.1.10.0080.00017.59
8.1.00.0000.00817.49
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0040.00418.39
8.0.270.0030.00317.13
8.0.260.0070.00017.12
8.0.250.0030.00316.96
8.0.240.0030.00316.85
8.0.230.0030.00316.93
8.0.220.0000.00716.92
8.0.210.0000.00716.92
8.0.200.0030.00316.98
8.0.190.0040.00416.91
8.0.180.0050.00316.95
8.0.170.0080.00016.88
8.0.160.0000.00716.94
8.0.150.0040.00416.81
8.0.140.0030.00316.73
8.0.130.0000.00613.36
8.0.120.0040.00416.76
8.0.110.0000.00716.86
8.0.100.0040.00416.73
8.0.90.0000.00816.93
8.0.80.0060.00916.87
8.0.70.0070.00016.71
8.0.60.0000.00716.79
8.0.50.0000.00816.93
8.0.30.0060.01417.15
8.0.20.0110.01317.41
8.0.10.0000.00717.10
8.0.00.0100.01016.81
7.4.330.0050.00015.08
7.4.320.0000.00716.48
7.4.300.0030.00316.51
7.4.290.0000.00716.51
7.4.280.0040.00416.53
7.4.270.0040.00416.45
7.4.260.0000.00816.54
7.4.250.0080.00016.50
7.4.240.0040.00416.55
7.4.230.0030.00316.71
7.4.220.0060.01316.72
7.4.210.0040.01116.52
7.4.200.0000.00716.61
7.4.160.0130.00416.66
7.4.150.0120.01217.40
7.4.140.0100.01317.86
7.4.130.0120.00616.50
7.4.120.0110.00616.52
7.4.110.0100.00716.50
7.4.100.0160.00716.55
7.4.90.0170.00016.51
7.4.80.0090.01019.39
7.4.70.0090.01216.48
7.4.60.0100.00716.57
7.4.50.0000.00416.43
7.4.40.0130.00316.59
7.4.30.0160.00616.48
7.4.00.0030.01015.21
7.3.330.0050.00013.01
7.3.320.0050.00013.12
7.3.310.0030.00516.20
7.3.300.0040.00416.32
7.3.290.0080.01016.29
7.3.280.0080.01016.27
7.3.270.0090.00917.40
7.3.260.0100.00716.39
7.3.250.0120.00816.45
7.3.240.0110.00616.29
7.3.230.0200.00316.39
7.3.210.0130.00316.25
7.3.200.0200.00319.39
7.3.190.0060.01016.47
7.3.180.0060.00916.22
7.3.170.0040.01216.32
7.3.160.0060.01316.28
7.2.330.0120.00916.23
7.2.320.0080.01016.52
7.2.310.0090.00816.66
7.2.300.0060.01316.44
7.2.290.0120.00616.53
7.2.60.0100.00616.77
7.2.00.0040.00819.19
7.1.200.0040.01115.50
7.1.100.0040.01118.38
7.1.70.0060.01017.08
7.1.60.0040.02120.03
7.1.50.0120.00616.89
7.1.00.0070.07322.33
7.0.200.0260.00016.88
7.0.60.0030.06019.86
7.0.50.0030.04317.83
7.0.40.0070.07719.98
7.0.30.0370.06320.21
7.0.20.0270.07320.20
7.0.10.0070.09020.21
7.0.00.0030.04720.09
5.6.280.0000.06321.08
5.6.210.0070.05020.66
5.6.200.0070.08318.22
5.6.190.0070.05720.57
5.6.180.3930.04720.68
5.6.170.0200.04020.49
5.6.160.0070.04720.42
5.6.150.0130.07718.19
5.6.140.0000.05718.18
5.6.130.0070.05018.13
5.6.120.0030.04321.07
5.6.110.0170.06321.06
5.6.100.0030.04020.91
5.6.90.0070.07321.04
5.6.80.0030.04320.40
5.6.70.4330.04720.49
5.5.350.0070.07020.44
5.5.340.0030.08717.91
5.5.330.0000.05020.46
5.5.320.0200.04320.22
5.5.310.0230.04720.24
5.5.300.0100.07718.01
5.5.290.0070.08018.08
5.5.280.0030.08720.83
5.5.270.0000.09020.81
5.5.260.0170.07321.01
5.5.250.0130.03720.72
5.5.240.0270.06020.30
5.4.450.0300.04719.43
5.4.440.0070.07019.66
5.4.430.0200.06019.46
5.4.420.0200.05019.12
5.4.410.0200.06019.15
5.4.400.0270.06719.00
5.4.390.0170.05719.31
5.4.380.0130.06719.20
5.4.370.0100.06019.13
5.4.360.0030.07718.78
5.4.350.0170.05018.95
5.4.340.0200.05019.13
5.4.320.0200.04719.20
5.4.310.0200.04719.24
5.4.300.0170.06719.12
5.4.290.0170.05018.80
5.4.280.0230.04719.19
5.4.270.0130.05319.28
5.4.260.0230.04018.81
5.4.250.0230.06319.16
5.4.240.0070.05719.33
5.4.230.0070.06019.33
5.4.220.0130.05319.04
5.4.210.0100.05718.82
5.4.200.0100.05316.89
5.4.190.0230.05019.14
5.4.180.0130.05319.07
5.4.170.0130.05719.02
5.4.160.0170.04719.07
5.4.150.0170.05319.36
5.4.140.0130.05716.41
5.4.130.0100.06016.25
5.4.120.0200.04716.59
5.4.110.0070.06316.44
5.4.100.0070.05716.33
5.4.90.0100.05316.27
5.4.80.0070.05716.42
5.4.70.0100.05316.52
5.4.60.0070.05316.29
5.4.50.0100.05016.33
5.4.40.0130.05016.41
5.4.30.0030.05716.19
5.4.20.0130.05016.24
5.4.10.0270.03316.34
5.4.00.0070.05315.97

preferences:
63.23 ms | 401 KiB | 5 Q