3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strrev("QcCtmMml1ViV3b");

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)
8.3.70.0140.00418.05
8.3.60.0180.00416.38
8.3.50.0090.00921.94
8.3.40.0100.00718.71
8.3.30.0000.01418.51
8.3.20.0000.00819.16
8.3.10.0040.00421.82
8.3.00.0140.00418.79
8.2.190.0120.00616.58
8.2.180.0070.00718.04
8.2.170.0150.00422.96
8.2.160.0120.00322.16
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00417.77
8.2.120.0040.00426.35
8.2.110.0030.00620.46
8.2.100.0000.01117.66
8.2.90.0080.00017.78
8.2.80.0080.00417.97
8.2.70.0000.00817.50
8.2.60.0000.00917.79
8.2.50.0080.00018.09
8.2.40.0050.00320.43
8.2.30.0000.00719.24
8.2.20.0070.00017.59
8.2.10.0000.00717.82
8.2.00.0050.00517.87
8.1.280.0040.01125.92
8.1.270.0040.00424.00
8.1.260.0040.00428.09
8.1.250.0000.00728.09
8.1.240.0040.00423.96
8.1.230.0040.00720.69
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0000.00817.10
8.1.180.0000.00718.10
8.1.170.0040.00818.45
8.1.160.0000.00720.63
8.1.150.0050.00518.66
8.1.140.0030.00519.32
8.1.130.0000.00817.57
8.1.120.0040.00417.29
8.1.110.0000.01117.20
8.1.100.0000.00717.32
8.1.90.0070.00017.29
8.1.80.0000.00717.29
8.1.70.0000.00717.35
8.1.60.0000.00717.39
8.1.50.0000.00817.35
8.1.40.0060.00317.34
8.1.30.0030.00617.43
8.1.20.0040.00417.46
8.1.10.0000.00817.41
8.1.00.0070.00317.44
8.0.300.0070.00019.86
8.0.290.0040.00416.63
8.0.280.0030.00318.28
8.0.270.0090.00017.17
8.0.260.0060.00317.18
8.0.250.0070.00316.88
8.0.240.0040.00416.81
8.0.230.0030.00316.70
8.0.220.0000.00716.69
8.0.210.0000.00816.64
8.0.200.0090.00016.82
8.0.190.0000.00816.86
8.0.180.0040.00416.67
8.0.170.0060.00316.82
8.0.160.0030.00316.88
8.0.150.0000.00716.63
8.0.140.0000.00716.74
8.0.130.0060.00013.13
8.0.120.0040.00416.71
8.0.110.0000.00716.65
8.0.100.0030.00316.57
8.0.90.0000.00716.73
8.0.80.0120.00316.68
8.0.70.0000.00916.53
8.0.60.0000.00716.73
8.0.50.0070.00016.81
8.0.30.0040.01417.02
8.0.20.0080.01017.40
8.0.10.0040.00416.89
8.0.00.0100.00716.84
7.4.330.0060.00015.08
7.4.320.0030.00316.38
7.4.300.0000.00616.50
7.4.290.0000.00716.46
7.4.280.0000.00816.36
7.4.270.0000.00716.43
7.4.260.0070.00016.46
7.4.250.0030.00316.30
7.4.240.0030.00316.47
7.4.230.0070.00016.33
7.4.220.0150.00016.36
7.4.210.0070.00716.36
7.4.200.0030.00516.16
7.4.160.0090.00616.15
7.4.150.0100.00717.40
7.4.140.0110.00917.86
7.4.130.0080.00916.26
7.4.120.0050.01416.38
7.4.110.0120.00616.35
7.4.100.0070.01016.48
7.4.90.0100.00716.43
7.4.80.0140.00319.39
7.4.70.0170.00316.60
7.4.60.0080.00816.20
7.4.50.0030.01216.29
7.4.40.0050.01216.36
7.4.30.0090.00616.43
7.4.00.0040.01215.04
7.3.330.0050.00012.96
7.3.320.0000.00512.89
7.3.310.0040.00415.95
7.3.300.0060.00016.14
7.3.290.0000.00716.03
7.3.280.0050.01016.11
7.3.270.0170.00017.40
7.3.260.0060.01116.16
7.3.250.0120.00816.17
7.3.240.0130.00716.32
7.3.230.0070.01016.39
7.3.210.0110.00616.43
7.3.200.0070.01416.11
7.3.190.0110.00716.30
7.3.180.0130.00916.06
7.3.170.0050.01116.11
7.3.160.0140.00316.13
7.2.330.0090.00916.54
7.2.320.0130.01016.58
7.2.310.0110.00616.44
7.2.300.0080.00816.47
7.2.290.0060.01616.19
7.2.00.0040.01119.30
7.1.100.0100.01018.05
7.1.70.0000.00717.43
7.1.60.0100.00717.43
7.1.50.0080.00317.43
7.1.40.0080.00317.43
7.1.30.0000.01417.43
7.1.20.0060.00917.43
7.1.10.0050.00317.43
7.1.00.0030.00617.43
7.0.200.0030.00317.43
7.0.190.0090.00317.43
7.0.180.0060.00317.43
7.0.170.0100.00017.43
7.0.160.0070.00717.43
7.0.150.0030.00617.43
7.0.140.0000.00817.43
7.0.130.0040.00417.43
7.0.120.0000.00717.43
7.0.110.0000.00717.43
7.0.100.0000.01117.43
7.0.90.0030.00617.43
7.0.80.0000.01317.43
7.0.70.0030.01017.43
7.0.60.0000.01217.43
7.0.50.0030.00617.43
7.0.40.0000.00817.43
7.0.30.0000.00917.43
7.0.20.0040.00417.43
7.0.10.0000.00817.43
7.0.00.0000.00717.43
5.6.300.0030.06420.82
5.6.290.0000.04420.89
5.6.280.0000.04521.02
5.6.270.0030.04120.90
5.6.260.0000.05420.99
5.6.250.0000.04720.96
5.6.240.0100.03620.88
5.6.230.0100.06921.04
5.6.220.0100.05820.82
5.6.210.0070.06621.14
5.6.200.0000.08720.76
5.6.190.0190.04220.98
5.6.180.0030.04021.05
5.6.170.0200.03320.86
5.6.160.0070.04020.81
5.6.150.0070.04320.99
5.6.140.0030.04320.95
5.6.130.0030.04420.85
5.6.120.0030.04120.85
5.6.110.0060.04220.84
5.6.100.0030.04020.84
5.6.90.0000.04620.80
5.6.80.0070.04420.20
5.6.70.0030.04120.29
5.6.60.0070.04120.23
5.6.50.0000.04220.15
5.6.40.0090.03520.22
5.6.30.0070.07920.20
5.6.20.0000.04120.38
5.6.10.0070.03320.34
5.6.00.0030.03720.17
5.5.380.0000.08017.46
5.5.370.0030.05117.51
5.5.360.0000.07017.49
5.5.350.0030.06717.45
5.5.340.0000.08717.86
5.5.330.0000.04318.03
5.5.320.0060.04517.98
5.5.310.0070.03618.00
5.5.300.0030.04017.86
5.5.290.0230.04617.91
5.5.280.0000.04918.02
5.5.270.0030.04218.02
5.5.260.0070.03718.04
5.5.250.0030.04417.55
5.5.240.0030.03917.43
5.5.230.0030.04717.43
5.5.220.0070.03317.43
5.5.210.0030.03717.45
5.5.200.0030.06317.43
5.5.190.0030.04917.43
5.5.180.0000.04617.43
5.5.160.0030.03717.43
5.5.150.0000.04117.43
5.5.140.0070.03617.43
5.5.130.0040.03617.43
5.5.120.0100.03917.43
5.5.110.0060.03417.43
5.5.100.0140.03717.43
5.5.90.0030.03617.43
5.5.80.0030.03917.43
5.5.70.0000.04517.43
5.5.60.0030.03817.43
5.5.50.0000.03817.43
5.5.40.0030.03517.43
5.5.30.0030.03717.43
5.5.20.0030.04217.43
5.5.10.0030.04817.43
5.5.00.0000.04517.43

preferences:
29.86 ms | 401 KiB | 5 Q