3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($string) { $string = str_replace(' ', '', $string); return preg_replace('/^A-Za-z0-9/', '', string); } echo "wat";

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)
8.3.70.0140.00716.58
8.3.60.0110.00318.53
8.3.50.0090.00822.82
8.3.40.0090.00618.76
8.3.30.0100.00718.96
8.3.20.0050.00320.25
8.3.10.0000.00821.72
8.3.00.0070.00317.80
8.2.190.0060.01216.58
8.2.180.0180.00416.32
8.2.170.0070.00722.96
8.2.160.0120.00620.39
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00420.88
8.2.110.0030.00621.00
8.2.100.0030.00917.64
8.2.90.0030.00517.72
8.2.80.0080.00017.97
8.2.70.0030.00517.50
8.2.60.0060.00317.80
8.2.50.0070.00318.07
8.2.40.0040.00418.09
8.2.30.0040.00417.85
8.2.20.0060.00317.54
8.2.10.0040.00417.85
8.2.00.0020.00517.60
8.1.280.0140.00325.92
8.1.270.0040.00423.96
8.1.260.0140.00026.35
8.1.250.0050.00328.09
8.1.240.0080.00022.38
8.1.230.0110.00021.04
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0050.00517.23
8.1.190.0000.00716.98
8.1.180.0000.00818.10
8.1.170.0050.00318.49
8.1.160.0000.00721.94
8.1.150.0030.00518.75
8.1.140.0040.00417.38
8.1.130.0030.00317.75
8.1.120.0000.00717.30
8.1.110.0020.00517.35
8.1.100.0070.00017.30
8.1.90.0030.00317.33
8.1.80.0000.00717.16
8.1.70.0050.00217.25
8.1.60.0040.00417.41
8.1.50.0080.00017.24
8.1.40.0040.00417.39
8.1.30.0000.00817.36
8.1.20.0030.00617.57
8.1.10.0030.00617.50
8.1.00.0040.00417.33
8.0.300.0090.00020.04
8.0.290.0040.00416.58
8.0.280.0030.00318.37
8.0.270.0050.00317.18
8.0.260.0040.00417.10
8.0.250.0040.00416.84
8.0.240.0000.00716.84
8.0.230.0030.00316.77
8.0.220.0000.00716.77
8.0.210.0000.00716.66
8.0.200.0060.00016.81
8.0.190.0040.00416.71
8.0.180.0070.00016.71
8.0.170.0040.00416.78
8.0.160.0000.00916.63
8.0.150.0070.00016.80
8.0.140.0000.00816.71
8.0.130.0000.00513.24
8.0.120.0050.00316.61
8.0.110.0040.00416.60
8.0.100.0040.00416.76
8.0.90.0030.00316.71
8.0.80.0150.00716.71
8.0.70.0070.00016.67
8.0.60.0070.00016.55
8.0.50.0040.00416.67
8.0.30.0080.01017.03
8.0.20.0110.01017.40
8.0.10.0030.00516.85
8.0.00.0100.00916.61
7.4.330.0030.00315.00
7.4.320.0060.00016.50
7.4.300.0000.00616.29
7.4.290.0080.00016.45
7.4.280.0070.00416.46
7.4.270.0070.00016.44
7.4.260.0040.00416.49
7.4.250.0000.00716.22
7.4.240.0030.00416.40
7.4.230.0000.00716.23
7.4.220.0160.00916.49
7.4.210.0040.01116.41
7.4.200.0070.00016.48
7.4.160.0090.00916.41
7.4.150.0090.00917.40
7.4.140.0110.00617.86
7.4.130.0080.01016.34
7.4.120.0150.00716.45
7.4.110.0110.00616.42
7.4.100.0070.01116.56
7.4.90.0030.02016.25
7.4.80.0110.00719.39
7.4.70.0070.01016.43
7.4.60.0030.01216.39
7.4.50.0040.00416.25
7.4.40.0160.00016.31
7.4.30.0100.00616.42
7.4.00.0080.00814.59
7.3.330.0000.00612.99
7.3.320.0000.00513.19
7.3.310.0030.00316.21
7.3.300.0060.00016.02
7.3.290.0100.00416.18
7.3.280.0080.00816.18
7.3.270.0030.01617.40
7.3.260.0110.00516.43
7.3.250.0120.00616.22
7.3.240.0130.00316.18
7.3.230.0080.01016.39
7.3.210.0070.01016.17
7.3.200.0060.01719.39
7.3.190.0090.00916.26
7.3.180.0120.00616.57
7.3.170.0150.00916.27
7.3.160.0070.00916.34
7.2.330.0070.01016.32
7.2.320.0050.01316.60
7.2.310.0070.01016.50
7.2.300.0070.01016.61
7.2.290.0160.00016.53
7.2.00.0120.00819.11
7.1.200.0030.00615.84
7.1.100.0000.01617.65
7.1.70.0000.01016.89
7.1.60.0130.00719.40
7.1.50.0060.01616.84
7.1.00.0030.07322.44
7.0.200.0000.00716.66
7.0.140.0030.07322.15
7.0.60.0100.08319.90
7.0.50.0170.08017.97
7.0.40.0170.03720.04
7.0.30.0530.06720.30
7.0.20.0230.04020.16
7.0.10.0330.07020.15
7.0.00.0070.07720.09
5.6.280.0070.07020.86
5.6.210.0070.05720.50
5.6.200.0130.08018.29
5.6.190.0030.07320.41
5.6.180.0370.06720.41
5.6.170.0270.05020.55
5.6.160.0030.04020.53
5.6.150.0170.04318.28
5.6.140.0100.04018.16
5.6.130.0130.07318.28
5.6.120.0070.08021.00
5.6.110.0100.06320.94
5.6.100.0070.07320.96
5.6.90.0030.04320.98
5.6.80.0130.07320.52
5.6.70.4170.03720.42
5.5.350.0100.07720.50
5.5.340.0030.03717.98
5.5.330.0030.06020.42
5.5.320.0370.05720.34
5.5.310.0230.08020.28
5.5.300.0070.07718.08
5.5.290.0030.06718.08
5.5.280.0100.03720.79
5.5.270.0030.05320.98
5.5.260.0070.07320.77
5.5.250.0030.07020.50
5.5.240.4370.04020.37
5.4.450.0500.04019.46
5.4.440.0400.04319.54
5.4.430.0330.04019.19
5.4.420.0230.04019.21
5.4.410.0430.04319.20
5.4.400.0170.03719.09
5.4.390.0370.04019.30
5.4.380.0270.06018.79
5.4.370.0600.06018.71
5.4.360.0300.05318.72
5.4.350.0430.06018.70
5.4.340.0430.05018.79
5.4.320.0110.03412.50
5.4.310.0080.05312.50
5.4.300.0040.05312.50
5.4.290.0130.04612.50
5.4.280.0080.04812.40
5.4.270.0090.04512.39
5.4.260.0100.04812.40
5.4.250.0100.04912.40
5.4.240.0020.05512.40
5.4.230.0070.04512.39
5.4.220.0090.03312.39
5.4.210.0040.03812.39
5.4.200.0040.04012.39
5.4.190.0080.04212.39
5.4.180.0070.03712.39
5.4.170.0100.03512.40
5.4.160.0050.04012.39
5.4.150.0060.03812.39
5.4.140.0070.03712.07
5.4.130.0050.03812.06
5.4.120.0040.04112.02
5.4.110.0060.03612.02
5.4.100.0080.03812.02
5.4.90.0040.04112.01
5.4.80.0090.03612.01
5.4.70.0080.03312.01
5.4.60.0080.03612.01
5.4.50.0090.03212.00
5.4.40.0050.04012.00
5.4.30.0110.03411.99
5.4.20.0050.03711.99
5.4.10.0080.03211.99
5.4.00.0050.03811.48
5.3.290.0110.03412.80
5.3.280.0070.03812.71
5.3.270.0030.04212.72
5.3.260.0050.04312.72
5.3.250.0050.03912.72
5.3.240.0070.04212.72
5.3.230.0060.04012.71
5.3.220.0050.03912.68
5.3.210.0100.03512.68
5.3.200.0050.04312.68
5.3.190.0050.04212.68
5.3.180.0050.04512.68
5.3.170.0080.04812.66
5.3.160.0120.03512.67
5.3.150.0040.04212.68
5.3.140.0060.04312.66
5.3.130.0050.04012.66
5.3.120.0080.03812.66
5.3.110.0110.03712.66
5.3.100.0070.03912.12
5.3.90.0070.03512.10
5.3.80.0060.03612.09
5.3.70.0040.04712.09
5.3.60.0090.03512.07
5.3.50.0060.04112.02
5.3.40.0040.03912.02
5.3.30.0090.04311.97
5.3.20.0080.03811.75
5.3.10.0070.03311.73
5.3.00.0060.03711.71
5.2.170.0050.0309.21
5.2.160.0070.0299.21
5.2.150.0060.0329.21
5.2.140.0040.0329.21
5.2.130.0050.0359.17
5.2.120.0020.0319.17
5.2.110.0030.0319.18
5.2.100.0050.0289.17
5.2.90.0060.0309.17
5.2.80.0060.0319.16
5.2.70.0030.0329.16
5.2.60.0050.0299.12
5.2.50.0040.0309.10
5.2.40.0070.0279.07
5.2.30.0050.0339.04
5.2.20.0060.0359.03
5.2.10.0040.0308.94
5.2.00.0060.0298.80
5.1.60.0050.0328.09
5.1.50.0070.0278.09
5.1.40.0050.0268.06
5.1.30.0070.0268.41
5.1.20.0040.0418.43
5.1.10.0070.0258.16
5.1.00.0040.0318.16
5.0.50.0030.0216.63
5.0.40.0060.0176.50
5.0.30.0050.0346.31
5.0.20.0050.0266.28
5.0.10.0030.0216.25
5.0.00.0030.0316.25
4.4.90.0010.0184.78
4.4.80.0050.0234.75
4.4.70.0030.0214.76
4.4.60.0030.0174.75
4.4.50.0020.0164.77
4.4.40.0030.0264.71
4.4.30.0020.0174.76
4.4.20.0030.0164.84
4.4.10.0030.0154.85
4.4.00.0030.0264.76
4.3.110.0030.0154.67
4.3.100.0020.0154.67
4.3.90.0040.0234.63
4.3.80.0020.0254.58
4.3.70.0040.0234.63
4.3.60.0000.0184.63
4.3.50.0040.0244.62
4.3.40.0020.0294.54
4.3.30.0020.0163.30
4.3.20.0020.0163.27
4.3.10.0020.0173.24
4.3.00.0030.01715.90

preferences:
66.44 ms | 401 KiB | 5 Q