3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( preg_match_all('/((?:(?:[^\\\\])|(?:(\\\\){2}))+)/', "asdf\\dsf\dsfaf", $matches) ); var_dump($matches);

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)
8.3.60.0070.00716.63
8.3.50.0150.00623.02
8.3.40.0180.00418.79
8.3.30.0090.00619.06
8.3.20.0040.00420.34
8.3.10.0080.00023.65
8.3.00.0050.00319.50
8.2.180.0000.01618.13
8.2.170.0090.00622.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00621.09
8.2.110.0060.00320.35
8.2.100.0060.00617.91
8.2.90.0030.00618.97
8.2.80.0030.00717.97
8.2.70.0000.00817.38
8.2.60.0000.00917.68
8.2.50.0050.00318.07
8.2.40.0040.00417.97
8.2.30.0080.00017.87
8.2.20.0070.00017.75
8.2.10.0050.00217.84
8.2.00.0080.00017.73
8.1.280.0040.01225.92
8.1.270.0080.00023.79
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0030.00622.17
8.1.230.0120.00018.90
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0080.00417.36
8.1.190.0080.00017.23
8.1.180.0080.00018.10
8.1.170.0000.00918.70
8.1.160.0000.00721.91
8.1.150.0000.00718.74
8.1.140.0000.00917.47
8.1.130.0000.00717.79
8.1.120.0000.00717.51
8.1.110.0000.00717.39
8.1.100.0070.00017.37
8.1.90.0070.00017.45
8.1.80.0080.00017.52
8.1.70.0080.00017.46
8.1.60.0050.00517.65
8.1.50.0040.00417.51
8.1.40.0000.00717.48
8.1.30.0000.00817.63
8.1.20.0020.00517.62
8.1.10.0040.00417.64
8.1.00.0030.00617.48
8.0.300.0080.00018.77
8.0.290.0030.00616.63
8.0.280.0000.00718.33
8.0.270.0040.00417.06
8.0.260.0030.00317.05
8.0.250.0030.00316.94
8.0.240.0000.00716.87
8.0.230.0000.00816.86
8.0.220.0070.00016.84
8.0.210.0000.00716.89
8.0.200.0060.00016.96
8.0.190.0040.00416.86
8.0.180.0040.00416.97
8.0.170.0040.00416.92
8.0.160.0040.00416.96
8.0.150.0000.00816.78
8.0.140.0040.00416.67
8.0.130.0030.00313.38
8.0.120.0060.00316.77
8.0.110.0060.00316.82
8.0.100.0000.00716.90
8.0.90.0070.00016.75
8.0.80.0130.01016.92
8.0.70.0000.00816.95
8.0.60.0020.00516.80
8.0.50.0030.00516.95
8.0.30.0120.00917.07
8.0.20.0140.01117.40
8.0.10.0000.00816.85
8.0.00.0140.00616.89
7.4.330.0000.00615.10
7.4.320.0030.00316.70
7.4.300.0030.00316.69
7.4.290.0000.00816.61
7.4.280.0040.00416.59
7.4.270.0050.00216.71
7.4.260.0070.00016.50
7.4.250.0050.00516.54
7.4.240.0030.00516.69
7.4.230.0000.00716.71
7.4.220.0110.00716.63
7.4.210.0110.00316.73
7.4.200.0000.00716.71
7.4.160.0000.01516.57
7.4.150.0190.00517.40
7.4.140.0070.01017.86
7.4.130.0110.00616.63
7.4.120.0080.01216.60
7.4.110.0080.00816.67
7.4.100.0050.01416.62
7.4.90.0140.00416.64
7.4.80.0070.01119.39
7.4.70.0040.01416.70
7.4.60.0030.01516.33
7.4.50.0030.00516.59
7.4.40.0100.00616.63
7.4.30.0120.00616.64
7.4.00.0030.01214.99
7.3.330.0060.00013.07
7.3.320.0030.00313.12
7.3.310.0000.00716.22
7.3.300.0070.00016.24
7.3.290.0060.01316.31
7.3.280.0060.01016.29
7.3.270.0130.00717.40
7.3.260.0100.00716.58
7.3.250.0080.00916.44
7.3.240.0080.01116.61
7.3.230.0170.00016.58
7.3.210.0110.00616.22
7.3.200.0090.01019.39
7.3.190.0030.01416.60
7.3.180.0070.00716.52
7.3.170.0080.00816.53
7.3.160.0000.01816.43
7.3.10.0110.00316.88
7.3.00.0100.00616.47
7.2.330.0090.00916.46
7.2.320.0130.00316.48
7.2.310.0070.01016.64
7.2.300.0140.00416.48
7.2.290.0090.00816.70
7.2.130.0030.00916.61
7.2.120.0070.00417.02
7.2.110.0070.00716.78
7.2.100.0070.01016.26
7.2.90.0100.00716.62
7.2.80.0100.00316.90
7.2.70.0080.00416.64
7.2.60.0080.00516.99
7.2.50.0050.00516.77
7.2.40.0000.01317.09
7.2.30.0030.01016.70
7.2.20.0030.00616.61
7.2.10.0030.00716.77
7.2.00.0100.00518.11
7.1.250.0060.00915.95
7.1.200.0090.00316.01
7.1.100.0200.00416.29
7.1.70.0040.00417.37
7.1.60.0040.02119.46
7.1.50.0240.01034.96
7.1.00.0000.07722.52
7.0.200.0080.00016.50
7.0.140.0000.07021.92
7.0.60.0070.03720.02
7.0.50.0000.05317.91
7.0.40.0100.07320.05
7.0.30.0500.07020.10
7.0.20.0230.04720.05
7.0.10.0030.04720.18
7.0.00.0170.07720.03
5.6.280.0070.07020.86
5.6.210.0030.04020.75
5.6.200.0130.05718.22
5.6.190.0030.05020.39
5.6.180.0430.05720.61
5.6.170.0300.04320.51
5.6.160.0130.08720.61
5.6.150.0030.05018.08
5.6.140.0000.05718.18
5.6.130.0130.07318.20
5.6.120.0030.09020.74
5.6.110.0030.09320.97
5.6.100.0100.08021.00
5.6.90.0070.04020.96
5.6.80.0130.07720.35
5.5.350.0170.08720.40
5.5.340.0170.05317.92
5.5.330.0030.04320.12
5.5.320.0230.05720.17
5.5.310.0200.03720.32
5.5.300.0030.08717.95
5.5.290.0070.04717.95
5.5.280.0000.06020.84
5.5.270.0000.04720.84
5.5.260.0070.05320.84
5.5.250.0030.05020.57
5.5.240.0100.03320.18
5.4.450.0570.04019.41
5.4.440.0270.05019.26
5.4.430.0330.05019.48
5.4.420.0100.05019.21
5.4.410.0270.03319.11
5.4.400.0330.03718.80
5.4.390.0270.04019.08
5.4.380.0230.06018.52
5.4.370.0330.05318.64
5.4.360.0330.06018.64
5.4.350.0430.04718.56
5.4.340.0370.05018.73
5.4.320.0050.03712.45
5.4.310.0030.04512.45
5.4.300.0040.03812.45
5.4.290.0080.04212.45
5.4.280.0060.03912.34
5.4.270.0060.03912.35
5.4.260.0070.03712.35
5.4.250.0070.03512.35
5.4.240.0050.04412.34
5.4.230.0070.03612.34
5.4.220.0060.03612.34
5.4.210.0050.03612.34
5.4.200.0070.03912.34
5.4.190.0040.03712.33
5.4.180.0080.03312.34
5.4.170.0060.03612.34
5.4.160.0080.03412.34
5.4.150.0050.03612.34
5.4.140.0050.03812.02
5.4.130.0060.03512.01
5.4.120.0050.03611.97
5.4.110.0090.03111.96
5.4.100.0050.03711.96
5.4.90.0070.03311.96
5.4.80.0050.04111.96
5.4.70.0070.04411.96
5.4.60.0050.03511.96
5.4.50.0050.03511.96
5.4.40.0090.03111.95
5.4.30.0090.03311.95
5.4.20.0070.03411.94
5.4.10.0060.03511.95
5.4.00.0070.03611.43
5.3.290.0070.03812.80
5.3.280.0090.03712.71
5.3.270.0100.03512.73
5.3.260.0070.04912.72
5.3.250.0080.03512.72
5.3.240.0060.04812.72
5.3.230.0060.03712.71
5.3.220.0060.03612.68
5.3.210.0070.03812.68
5.3.200.0090.03312.68
5.3.190.0060.03712.68
5.3.180.0030.04012.67
5.3.170.0100.03312.67
5.3.160.0060.03612.67
5.3.150.0050.03712.67
5.3.140.0070.03412.66
5.3.130.0040.04012.66
5.3.120.0050.03912.66
5.3.110.0070.03612.66
5.3.100.0070.04112.12
5.3.90.0050.03812.09
5.3.80.0070.03612.07
5.3.70.0040.04212.07
5.3.60.0050.03712.06
5.3.50.0090.04312.00
5.3.40.0100.03112.00
5.3.30.0080.04311.94
5.3.20.0050.04111.72
5.3.10.0080.03711.69
5.3.00.0070.03911.68
5.2.170.0040.0309.18
5.2.160.0040.0289.18
5.2.150.0030.0329.18
5.2.140.0040.0319.18
5.2.130.0040.0299.13
5.2.120.0040.0289.13
5.2.110.0040.0289.14
5.2.100.0090.0249.14
5.2.90.0060.0339.14
5.2.80.0060.0289.14
5.2.70.0060.0289.13
5.2.60.0040.0319.08
5.2.50.0040.0359.05
5.2.40.0080.0369.04
5.2.30.0040.0309.02
5.2.20.0080.0249.01
5.2.10.0080.0268.92
5.2.00.0050.0388.78
5.1.60.0060.0328.07
5.1.50.0030.0258.06
5.1.40.0030.0258.04
5.1.30.0060.0298.39
5.1.20.0050.0318.41
5.1.10.0060.0248.14
5.1.00.0060.0248.14
5.0.50.0040.0206.62
5.0.40.0020.0206.47
5.0.30.0040.0296.29
5.0.20.0050.0176.26
5.0.10.0030.0206.23
5.0.00.0010.0336.23
4.4.90.0040.0184.78
4.4.80.0040.0244.75
4.4.70.0030.0204.75
4.4.60.0030.0214.76
4.4.50.0040.0144.77
4.4.40.0050.0254.71
4.4.30.0050.0184.75
4.4.20.0020.0214.85
4.4.10.0040.0204.85
4.4.00.0050.0284.75
4.3.110.0020.0164.66
4.3.100.0060.0114.67
4.3.90.0040.0134.63
4.3.80.0030.0234.58
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0030.0244.53
4.3.30.0020.0163.29
4.3.20.0020.0163.26
4.3.10.0030.0153.22
4.3.00.0100.01715.68

preferences:
43.56 ms | 401 KiB | 5 Q