3v4l.org

run code in 300+ PHP versions simultaneously
<?php $key = 'password'; $string = 'string'; echo mcrypt_encrypt(MCRYPT_RIJNDAEL_256, md5($key), $string, MCRYPT_MODE_CBC, md5(md5($key)));

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)
8.3.60.0110.00716.50
8.3.50.0100.01222.06
8.3.40.0110.00418.76
8.3.30.0000.01518.70
8.3.20.0070.00020.07
8.3.10.0080.00023.36
8.3.00.0060.00319.38
8.2.180.0100.00718.54
8.2.170.0090.00922.96
8.2.160.0170.00320.52
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00317.48
8.2.110.0070.00319.31
8.2.100.0070.00417.91
8.2.90.0040.00419.09
8.2.80.0060.00317.97
8.2.70.0080.00017.63
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0040.00419.34
8.2.30.0000.00720.61
8.2.20.0080.00017.61
8.2.10.0000.00718.05
8.2.00.0040.00418.01
8.1.280.0140.00425.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0100.00021.16
8.1.230.0070.00721.03
8.1.220.0040.00417.79
8.1.210.0080.00018.77
8.1.200.0000.00917.35
8.1.190.0030.00617.13
8.1.180.0040.00418.10
8.1.170.0040.00419.08
8.1.160.0000.00721.94
8.1.150.0060.00318.79
8.1.140.0040.00419.46
8.1.130.0030.00317.70
8.1.120.0000.00717.46
8.1.110.0000.00717.29
8.1.100.0040.00417.35
8.1.90.0070.00017.38
8.1.80.0050.00217.35
8.1.70.0050.00317.40
8.1.60.0040.00417.44
8.1.50.0040.00417.57
8.1.40.0000.00817.41
8.1.30.0040.00717.58
8.1.20.0060.00317.68
8.1.10.0000.00717.57
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.38
8.0.270.0030.00317.07
8.0.260.0000.00617.25
8.0.250.0000.00716.95
8.0.240.0070.00016.97
8.0.230.0000.00716.93
8.0.220.0070.00016.88
8.0.210.0000.00716.93
8.0.200.0040.00416.88
8.0.190.0060.00616.94
8.0.180.0030.00816.91
8.0.170.0040.00416.89
8.0.160.0080.00016.95
8.0.150.0070.00016.82
8.0.140.0050.00316.75
8.0.130.0030.00313.30
8.0.120.0050.00316.83
8.0.110.0020.00516.90
8.0.100.0000.00716.87
8.0.90.0070.00016.75
8.0.80.0080.00816.91
8.0.70.0070.00016.83
8.0.60.0000.00716.85
8.0.50.0030.00516.75
8.0.30.0150.00616.94
8.0.20.0100.00917.40
8.0.10.0040.00416.94
8.0.00.0060.01116.83
7.4.330.0000.00515.08
7.4.320.0050.00516.58
7.4.300.0030.00316.49
7.4.290.0000.00616.50
7.4.280.0030.00316.50
7.4.270.0000.00716.49
7.4.260.0050.00316.55
7.4.250.0050.00216.46
7.4.240.0040.00416.44
7.4.230.0000.00716.66
7.4.220.0110.00716.52
7.4.210.0060.01016.51
7.4.200.0030.00316.61
7.4.160.0030.01316.56
7.4.150.0120.00617.40
7.4.140.0130.00817.86
7.4.130.0140.01016.47
7.4.120.0080.01016.58
7.4.110.0040.01416.54
7.4.100.0060.01216.70
7.4.90.0090.01016.55
7.4.80.0100.00719.39
7.4.70.0110.00716.57
7.4.60.0100.00616.64
7.4.50.0040.00416.61
7.4.40.0090.01316.50
7.4.30.0210.00316.48
7.4.00.0090.00714.92
7.3.330.0000.00513.09
7.3.320.0000.00713.02
7.3.310.0030.00316.09
7.3.300.0050.00216.15
7.3.290.0000.00616.16
7.3.280.0100.01016.27
7.3.270.0160.00717.40
7.3.260.0070.01016.24
7.3.240.0120.00816.31
7.3.230.0060.00916.48
7.3.210.0100.00616.27
7.3.200.0100.00716.27
7.3.190.0070.01016.41
7.3.180.0070.01316.45
7.3.170.0120.00416.45
7.3.160.0070.00716.24
7.3.120.0000.01414.63
7.3.110.0070.01114.70
7.3.100.0030.00914.79
7.3.90.0100.01014.85
7.3.80.0060.01014.75
7.3.70.0100.00714.56
7.3.60.0070.00714.68
7.3.50.0060.00914.81
7.3.40.0030.01414.81
7.3.30.0030.00614.82
7.3.20.0030.00616.71
7.3.10.0030.00916.52
7.3.00.0070.00716.64
7.2.330.0160.00616.50
7.2.320.0030.01616.55
7.2.310.0120.01216.61
7.2.300.0070.01016.62
7.2.290.0090.00916.66
7.2.250.0030.01214.91
7.2.240.0070.01414.87
7.2.230.0030.01215.11
7.2.220.0000.01615.00
7.2.210.0100.00315.07
7.2.200.0070.01014.73
7.2.190.0060.00614.83
7.2.180.0120.00314.92
7.2.170.0120.00314.60
7.2.60.0040.01116.66
7.2.00.0070.00719.37
7.1.330.0120.00315.64
7.1.320.0060.00915.73
7.1.310.0040.01115.63
7.1.300.0030.01015.72
7.1.290.0040.01215.64
7.1.280.0090.00015.30
7.1.270.0040.00415.60
7.1.260.0040.00815.69
7.1.200.0050.00915.30
7.1.100.0030.00717.89
7.1.70.0030.00516.87
7.1.60.0060.01219.43
7.1.50.0040.01816.67
7.1.00.0030.07722.48
7.0.200.0590.00314.62
7.0.60.0170.08321.73
7.0.50.0100.05717.81
7.0.40.0100.03720.17
7.0.30.0270.07320.16
7.0.20.0270.03320.21
7.0.10.0170.07720.29
7.0.00.0130.08320.32
5.6.280.0000.03320.89
5.6.210.0100.06720.59
5.6.200.0070.05318.16
5.6.190.0070.04720.44
5.6.180.0530.05720.54
5.6.170.0400.07020.45
5.6.160.0070.03720.55
5.6.150.0100.04718.23
5.6.140.0070.07718.22
5.6.130.0030.08318.16
5.6.120.0030.05321.06
5.6.110.0030.09020.96
5.6.100.0070.08021.17
5.6.90.0000.06021.10
5.6.80.0070.08020.51
5.5.350.0130.05720.37
5.5.340.0130.08018.05
5.5.330.0170.03320.46
5.5.320.0200.04020.27
5.5.310.0370.07020.34
5.5.300.0100.06317.96
5.5.290.0070.08718.03
5.5.280.0070.08021.04
5.5.270.0000.04320.95
5.5.260.0030.09020.94
5.5.250.0170.07720.61
5.5.240.0170.07720.26
5.4.450.0270.04319.33
5.4.440.0300.04719.57
5.4.430.0330.04019.54
5.4.420.0170.08019.36
5.4.410.0300.07719.32
5.4.400.0370.06719.04
5.4.390.0230.04319.08
5.4.380.0300.07019.22
5.4.370.0200.06719.07
5.4.360.0300.07719.28
5.4.350.0270.05319.28
5.4.340.0300.05018.92
5.4.320.0300.07019.24
5.4.310.0300.06718.94
5.4.300.0370.03718.92
5.4.290.0270.05319.28
5.4.280.0270.04319.05
5.4.270.0200.07719.08
5.4.260.0300.06019.15
5.4.250.0270.03319.07
5.4.240.0170.04019.06
5.4.230.0400.07019.06
5.4.220.0270.03718.95
5.4.210.0200.04319.18
5.4.200.0370.06319.12
5.4.190.0330.07018.91
5.4.180.0400.06719.18
5.4.170.0300.04019.18
5.4.160.0200.04719.11
5.4.150.0370.04719.29
5.4.140.0300.06716.17
5.4.130.0300.03016.48
5.4.120.0370.02316.30
5.4.110.0300.03316.46
5.4.100.0330.05716.56
5.4.90.0300.04016.25

preferences:
69.22 ms | 401 KiB | 5 Q