3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'http://mobyt.it'; echo substr($str, 6);

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)
8.3.60.0120.00616.63
8.3.50.0140.00522.73
8.3.40.0110.00418.63
8.3.30.0030.01518.93
8.3.20.0030.00520.26
8.3.10.0050.00320.58
8.3.00.0040.00419.38
8.2.180.0140.00716.63
8.2.170.0150.00622.96
8.2.160.0030.01720.32
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00020.95
8.2.110.0070.00321.13
8.2.100.0040.00817.91
8.2.90.0050.00319.15
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0000.00918.04
8.2.50.0040.00718.07
8.2.40.0060.00318.22
8.2.30.0030.00619.46
8.2.20.0000.00817.52
8.2.10.0000.00717.96
8.2.00.0040.00417.61
8.1.280.0030.01325.92
8.1.270.0040.00423.97
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0050.00322.14
8.1.230.0090.00320.98
8.1.220.0050.00317.78
8.1.210.0000.00818.77
8.1.200.0000.01317.00
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0030.00518.51
8.1.160.0000.00721.90
8.1.150.0000.00718.71
8.1.140.0040.00417.44
8.1.130.0030.00317.86
8.1.120.0050.00217.30
8.1.110.0080.00017.36
8.1.100.0000.00717.38
8.1.90.0070.00017.34
8.1.80.0070.00017.36
8.1.70.0040.00417.31
8.1.60.0030.00917.41
8.1.50.0000.00717.43
8.1.40.0080.00017.41
8.1.30.0080.00017.48
8.1.20.0080.00017.55
8.1.10.0070.00017.37
8.1.00.0040.00417.40
8.0.300.0040.00420.08
8.0.290.0080.00016.72
8.0.280.0050.00518.54
8.0.270.0080.00017.29
8.0.260.0030.00317.09
8.0.250.0000.00616.82
8.0.240.0040.00416.97
8.0.230.0000.00716.77
8.0.220.0070.00016.70
8.0.210.0070.00016.75
8.0.200.0000.00616.77
8.0.190.0030.00516.86
8.0.180.0040.00416.75
8.0.170.0000.00816.84
8.0.160.0050.00316.82
8.0.150.0050.00316.70
8.0.140.0030.00516.81
8.0.130.0030.00313.23
8.0.120.0050.00316.73
8.0.110.0030.00516.78
8.0.100.0000.00716.60
8.0.90.0070.00016.71
8.0.80.0070.00716.72
8.0.70.0000.00716.66
8.0.60.0000.00816.86
8.0.50.0040.00416.70
8.0.30.0070.01117.06
8.0.20.0150.00817.40
8.0.10.0020.00516.81
8.0.00.0050.01316.61
7.4.330.0000.00515.01
7.4.320.0060.00016.33
7.4.300.0000.00616.40
7.4.290.0050.00316.57
7.4.280.0030.00516.49
7.4.270.0000.00716.52
7.4.260.0000.00716.43
7.4.250.0030.00516.51
7.4.240.0040.00316.43
7.4.230.0070.00016.31
7.4.220.0140.01116.29
7.4.210.0040.01016.39
7.4.200.0030.00316.45
7.4.160.0090.00916.33
7.4.150.0090.00917.40
7.4.140.0080.01017.86
7.4.130.0060.01016.44
7.4.120.0080.00916.43
7.4.110.0170.00716.63
7.4.100.0150.00616.21
7.4.90.0030.01316.43
7.4.80.0120.00619.39
7.4.70.0000.01516.51
7.4.60.0110.00516.32
7.4.50.0030.00516.46
7.4.40.0130.00916.38
7.4.30.0140.00716.70
7.4.00.0080.00814.96
7.3.330.0000.00612.85
7.3.320.0070.00013.06
7.3.310.0030.00616.29
7.3.300.0030.00316.15
7.3.290.0040.01216.16
7.3.280.0060.00916.13
7.3.270.0110.00717.40
7.3.260.0070.01016.54
7.3.250.0050.01216.38
7.3.240.0130.00716.29
7.3.230.0290.00316.39
7.3.210.0030.01816.23
7.3.200.0070.01019.39
7.3.190.0100.00616.18
7.3.180.0090.01516.12
7.3.170.0060.01016.37
7.3.160.0100.01116.38
7.2.330.0100.01316.52
7.2.320.0070.01016.52
7.2.310.0100.00716.43
7.2.300.0100.01416.55
7.2.290.0110.01116.34
7.1.70.0000.01017.07
7.1.60.0140.01019.61
7.1.50.0170.01216.51
7.1.00.0100.07022.35
7.0.200.0000.00816.74
7.0.140.0030.07722.00
7.0.60.0070.06019.90
7.0.50.0070.06017.80
7.0.40.0070.07720.09
7.0.30.0270.07020.04
7.0.20.0230.06320.01
7.0.10.0100.08320.30
7.0.00.0070.06320.17
5.6.280.0100.06320.92
5.6.210.0130.06320.46
5.6.200.0170.07718.17
5.6.190.0300.05320.60
5.6.180.0470.05020.61
5.6.170.0270.07020.49
5.6.160.0000.05020.61
5.6.150.0130.06318.12
5.6.140.0030.04018.22
5.6.130.0070.07318.11
5.6.120.0200.07020.97
5.6.110.0100.06721.02
5.6.100.0100.08020.98
5.6.90.0070.06321.10
5.6.80.0070.06020.53
5.5.350.0070.07320.37
5.5.340.0130.07717.91
5.5.330.0030.04020.38
5.5.320.1900.04720.20
5.5.310.0370.06320.33
5.5.300.0070.04717.96
5.5.290.0070.05017.88
5.5.280.0070.08720.76
5.5.270.0070.04020.77
5.5.260.0130.06720.86
5.5.250.0000.06720.77
5.5.240.0070.04720.06
5.4.450.0770.05019.39
5.4.440.0830.04319.38
5.4.430.0800.04719.54
5.4.420.0870.03719.09
5.4.410.0970.04319.33
5.4.400.0900.03319.25
5.4.390.0830.05019.24
5.4.380.0770.05018.88
5.4.370.0800.03719.14
5.4.360.0930.03019.13
5.4.350.0930.03319.16
5.4.340.0770.03319.25
5.4.320.0700.03319.21
5.4.310.0570.04719.23
5.4.300.0830.03718.93
5.4.290.0470.03719.23
5.4.280.0800.04018.89
5.4.270.0770.05018.88
5.4.260.0700.04319.24
5.4.250.0830.04019.15
5.4.240.0670.03718.94
5.4.230.0400.04019.09
5.4.220.0770.04018.92
5.4.210.0570.03718.87
5.4.200.0030.03319.09
5.4.190.0970.03018.91
5.4.180.0330.03318.91
5.4.170.0700.06019.14
5.4.160.0800.03018.77
5.4.150.0530.04019.07
5.4.140.0300.03016.35
5.4.130.0630.03316.44
5.4.120.0830.03716.43
5.4.110.0270.04716.38
5.4.100.0430.03316.36
5.4.90.0600.06316.28
5.4.80.0270.03316.35
5.4.70.0430.03316.29
5.4.60.0770.03316.36
5.4.50.0700.05316.18
5.4.40.0600.07316.25
5.4.30.0730.04016.38
5.4.20.0800.03716.04
5.4.10.1030.03016.34
5.4.00.0670.03315.70
5.3.290.0700.04315.48
5.3.280.0800.03015.48
5.3.270.0370.05015.48
5.3.260.0800.04315.48
5.3.250.0770.02715.48
5.3.240.0700.03015.48
5.3.230.0970.03015.48
5.3.220.0830.03715.48
5.3.210.0700.04015.48
5.3.200.0370.04715.48
5.3.190.0430.04315.48
5.3.180.0630.04315.48
5.3.170.0830.04015.48
5.3.160.0670.04315.48
5.3.150.0830.04015.48
5.3.140.0800.04015.48
5.3.130.0630.04315.48
5.3.120.0700.03715.48
5.3.110.0770.03715.48
5.3.100.0630.03015.48
5.3.90.0770.04015.48
5.3.80.0730.03015.48
5.3.70.0870.03015.48
5.3.60.0570.03715.48
5.3.50.0570.03015.48
5.3.40.0730.03715.48
5.3.30.0570.04315.48
5.3.20.0430.03715.48
5.3.10.0330.03015.48
5.3.00.0600.03315.48
5.2.170.0730.02315.48
5.2.160.0600.02715.48
5.2.150.0530.03715.48
5.2.140.0570.03015.48
5.2.130.0500.03015.48
5.2.120.0600.06715.48
5.2.110.0430.03315.48
5.2.100.0300.03715.48
5.2.90.0030.02715.48
5.2.80.0500.02715.48
5.2.70.0600.03715.48
5.2.60.0300.03315.48
5.2.50.0470.04015.48
5.2.40.0400.02715.48
5.2.30.0000.02715.48
5.2.20.0330.03015.48
5.2.10.0370.02315.64
5.2.00.0230.03315.64
5.1.60.0170.02715.64
5.1.50.0200.02315.64
5.1.40.0470.02715.64
5.1.30.0200.02315.64
5.1.20.0400.02715.64
5.1.10.0300.03015.64
5.1.00.0430.03015.64
5.0.50.0070.02015.64
5.0.40.0200.01715.64
5.0.30.0300.04015.64
5.0.20.0230.01715.64
5.0.10.0070.03015.64
5.0.00.0170.03015.64
4.4.90.0200.01315.48
4.4.80.0200.01715.48
4.4.70.0100.01715.48
4.4.60.0170.01315.48
4.4.50.0030.02315.48
4.4.40.0100.02715.64
4.4.30.0270.02015.64
4.4.20.0270.01715.64
4.4.10.0000.01715.64
4.4.00.0270.02015.64
4.3.110.0170.02715.64
4.3.100.0000.02015.64
4.3.90.0230.02015.64
4.3.80.0200.03015.64
4.3.70.0300.02015.64
4.3.60.0200.01315.64
4.3.50.0300.01315.64
4.3.40.0170.02315.64
4.3.30.0070.01715.64
4.3.20.0030.01715.64
4.3.10.0000.01315.64
4.3.00.0070.02015.64

preferences:
40.17 ms | 401 KiB | 5 Q