3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); preg_match('##u', 'bob');

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)
8.3.40.0080.00818.71
8.3.30.0060.00918.96
8.3.20.0000.00820.21
8.3.10.0040.00423.54
8.3.00.0080.00019.36
8.2.170.0110.00422.96
8.2.160.0110.00420.45
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00321.10
8.2.110.0130.00621.05
8.2.100.0040.00818.03
8.2.90.0000.00817.84
8.2.80.0050.00317.97
8.2.70.0000.01017.63
8.2.60.0030.00517.80
8.2.50.0000.00918.07
8.2.40.0000.00718.03
8.2.30.0070.00017.84
8.2.20.0080.00017.75
8.2.10.0040.00417.85
8.2.00.0000.00717.69
8.1.270.0030.00523.91
8.1.260.0030.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00622.58
8.1.230.0050.00520.96
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0040.00417.35
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0040.00418.72
8.1.160.0040.00421.89
8.1.150.0000.00718.66
8.1.140.0000.00817.38
8.1.130.0050.00317.70
8.1.120.0040.00317.50
8.1.110.0000.00817.48
8.1.100.0000.00717.50
8.1.90.0030.00417.53
8.1.80.0090.00017.43
8.1.70.0030.00517.45
8.1.60.0030.00617.59
8.1.50.0030.00617.49
8.1.40.0030.00517.41
8.1.30.0050.00317.65
8.1.20.0000.00717.61
8.1.10.0000.00817.49
8.1.00.0050.00317.36
8.0.300.0000.00719.79
8.0.290.0060.00316.88
8.0.280.0030.00318.41
8.0.270.0030.00317.16
8.0.260.0040.00417.14
8.0.250.0000.00716.94
8.0.240.0030.00317.03
8.0.230.0070.00017.06
8.0.220.0000.00716.87
8.0.210.0070.00016.95
8.0.200.0050.00216.91
8.0.190.0040.00417.02
8.0.180.0040.00416.96
8.0.170.0080.00017.01
8.0.160.0000.00716.96
8.0.150.0040.00416.92
8.0.140.0000.00816.84
8.0.130.0030.00313.38
8.0.120.0070.00016.93
8.0.110.0000.00817.04
8.0.100.0000.00817.04
8.0.90.0070.00016.80
8.0.80.0060.00916.85
8.0.70.0000.00716.77
8.0.60.0000.00716.92
8.0.50.0070.00016.87
8.0.30.0100.01217.17
8.0.20.0090.00917.40
8.0.10.0030.00317.03
8.0.00.0070.01316.83
7.4.330.0020.00215.05
7.4.320.0000.00616.59
7.4.300.0000.00716.53
7.4.290.0040.00416.51
7.4.280.0080.00016.57
7.4.270.0000.00716.67
7.4.260.0000.00716.54
7.4.250.0060.00316.65
7.4.240.0050.00216.60
7.4.230.0030.00316.60
7.4.220.0180.00916.64
7.4.210.0110.00716.55
7.4.200.0000.00716.75
7.4.160.0070.01116.68
7.4.150.0030.01417.40
7.4.140.0120.00517.86
7.4.130.0130.00716.56
7.4.120.0080.01116.57
7.4.110.0100.00716.68
7.4.100.0110.00616.52
7.4.90.0030.01416.61
7.4.80.0110.00719.39
7.4.70.0120.00916.62
7.4.60.0130.00416.74
7.4.50.0040.00416.56
7.4.40.0060.01016.59
7.4.30.0100.00716.55
7.4.00.0070.00714.90
7.3.330.0000.00613.27
7.3.320.0050.00013.07
7.3.310.0030.00316.20
7.3.300.0000.00616.24
7.3.290.0150.00616.37
7.3.280.0090.00616.32
7.3.270.0110.00817.40
7.3.260.0090.00916.52
7.3.250.0130.00316.61
7.3.240.0030.01316.60
7.3.230.0100.00616.39
7.3.210.0090.00916.61
7.3.200.0070.02019.39
7.3.190.0120.00416.52
7.3.180.0070.01016.62
7.3.170.0150.00616.27
7.3.160.0150.00416.41
7.2.330.0190.00016.53
7.2.320.0070.01516.56
7.2.310.0070.01016.73
7.2.300.0030.01516.46
7.2.290.0140.00316.45
7.2.00.0070.00719.55
7.1.100.0030.00917.87
7.1.70.0030.00617.25
7.1.60.0030.02019.46
7.1.50.0100.01416.95
7.1.00.0000.07722.49
7.0.200.0030.00616.43
7.0.140.0130.06722.09
7.0.60.0030.04319.92
7.0.50.0000.08317.89
7.0.40.0000.06320.29
7.0.30.0230.04020.11
7.0.20.0300.07720.01
7.0.10.0130.08320.22
7.0.00.0070.08720.18
5.6.280.0070.07020.86
5.6.210.0270.07020.68
5.6.200.0130.05018.09
5.6.190.0100.04320.27
5.6.180.0230.04320.64
5.6.170.0330.06720.44
5.6.160.0030.05720.71
5.6.150.0100.03318.22
5.6.140.0100.07018.15
5.6.130.0230.05318.17
5.6.120.0130.07320.92
5.6.110.0200.07021.13
5.6.100.0130.06321.18
5.6.90.0070.06020.99
5.6.80.0030.06320.35
5.5.350.0200.06720.38
5.5.340.0030.08017.92
5.5.330.0100.08320.56
5.5.320.0370.07320.29
5.5.310.0270.04020.27
5.5.300.0100.07718.02
5.5.290.0070.07017.90
5.5.280.0070.08720.72
5.5.270.0070.05320.85
5.5.260.0100.07320.85
5.5.250.0130.07720.68
5.5.240.0230.06720.06
5.4.450.0400.05019.49
5.4.440.0000.04019.41
5.4.430.0270.05319.45
5.4.420.0200.04019.54
5.4.410.0200.04319.48
5.4.400.0470.03719.10
5.4.390.0100.04719.16
5.4.380.0300.05318.67
5.4.370.0370.04718.67
5.4.360.0430.04318.62
5.4.350.0370.05318.77
5.4.340.0330.05018.71
5.4.320.0100.03412.45
5.4.310.0070.03712.45
5.4.300.0060.03612.45
5.4.290.0080.03612.45
5.4.280.0100.03112.34
5.4.270.0110.03112.35
5.4.260.0100.03412.35
5.4.250.0060.03712.34
5.4.240.0050.03612.34
5.4.230.0070.03612.34
5.4.220.0100.03312.34
5.4.210.0080.03312.34
5.4.200.0040.03912.34
5.4.190.0120.03012.34
5.4.180.0120.03012.34
5.4.170.0130.02912.35
5.4.160.0090.03312.34
5.4.150.0080.03512.34
5.4.140.0060.03812.02
5.4.130.0080.03612.01
5.4.120.0040.03811.97
5.4.110.0090.03311.96
5.4.100.0120.02911.96
5.4.90.0100.03311.96
5.4.80.0050.04111.96
5.4.70.0030.04611.96
5.4.60.0070.03711.96
5.4.50.0110.03511.96
5.4.40.0080.03511.95
5.4.30.0080.03711.95
5.4.20.0080.03411.94
5.4.10.0090.04211.95
5.4.00.0060.04911.43
5.3.290.0090.03912.80
5.3.280.0070.03912.71
5.3.270.0060.03912.73
5.3.260.0030.04212.72
5.3.250.0130.03012.72
5.3.240.0080.03512.72
5.3.230.0080.03512.71
5.3.220.0050.03812.68
5.3.210.0090.03712.68
5.3.200.0100.03512.68
5.3.190.0090.03512.68
5.3.180.0090.03412.67
5.3.170.0100.03412.67
5.3.160.0090.03412.67
5.3.150.0070.03612.67
5.3.140.0070.03612.66
5.3.130.0060.03912.66
5.3.120.0050.04112.66
5.3.110.0100.04712.66
5.3.100.0050.03812.12
5.3.90.0090.03312.08
5.3.80.0040.03812.07
5.3.70.0090.03312.08
5.3.60.0090.03412.06
5.3.50.0090.03312.00
5.3.40.0090.03312.00
5.3.30.0060.03511.93
5.3.20.0070.03511.71
5.3.10.0050.03611.69
5.3.00.0040.03811.68
5.2.170.0050.0309.18
5.2.160.0060.0289.18
5.2.150.0060.0309.18
5.2.140.0030.0329.17
5.2.130.0050.0299.14
5.2.120.0030.0309.14
5.2.110.0050.0299.14
5.2.100.0070.0269.13
5.2.90.0090.0269.13
5.2.80.0080.0279.13
5.2.70.0020.0339.13
5.2.60.0070.0319.09
5.2.50.0020.0359.05
5.2.40.0050.0289.03
5.2.30.0060.0289.01
5.2.20.0060.0289.00
5.2.10.0020.0318.93
5.2.00.0080.0268.79
5.1.60.0080.0218.07
5.1.50.0050.0258.07
5.1.40.0060.0238.05
5.1.30.0060.0248.40
5.1.20.0060.0258.42
5.1.10.0020.0288.15
5.1.00.0060.0248.15
5.0.50.0060.0196.63
5.0.40.0060.0176.49
5.0.30.0060.0286.30
5.0.20.0040.0196.27
5.0.10.0040.0196.25
5.0.00.0040.0306.23
4.4.90.0040.0144.78
4.4.80.0030.0164.75
4.4.70.0020.0164.76
4.4.60.0020.0164.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0020.0164.76
4.4.20.0000.0184.85
4.4.10.0030.0154.85
4.4.00.0020.0264.76
4.3.110.0030.0164.67
4.3.100.0040.0134.66
4.3.90.0030.0144.64
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0040.0134.63
4.3.50.0050.0134.63
4.3.40.0040.0224.54
4.3.30.0030.0163.29
4.3.20.0010.0173.26
4.3.10.0030.0193.22
4.3.00.0000.01718.23

preferences:
41.91 ms | 400 KiB | 5 Q