3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = 'lang="cs-CZ"'; var_dump(preg_match("~lang=(\"|')cs(_\-)cz(\"|')~i", $html, $langPreg));

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)
8.3.60.0090.00616.75
8.3.50.0120.00421.99
8.3.40.0000.01418.97
8.3.30.0100.00318.92
8.3.20.0040.00420.24
8.3.10.0000.00823.66
8.3.00.0080.00020.82
8.2.180.0130.00917.13
8.2.170.0120.00922.96
8.2.160.0070.00720.38
8.2.150.0060.00324.18
8.2.140.0000.00724.66
8.2.130.0080.00026.16
8.2.120.0050.00320.87
8.2.110.0060.00320.44
8.2.100.0080.00319.40
8.2.90.0050.00319.22
8.2.80.0000.00917.97
8.2.70.0030.00617.88
8.2.60.0030.00617.91
8.2.50.0030.00618.07
8.2.40.0040.00420.00
8.2.30.0060.00318.09
8.2.20.0040.00417.88
8.2.10.0000.00818.07
8.2.00.0080.00017.83
8.1.280.0150.00025.92
8.1.270.0060.00323.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00523.77
8.1.230.0110.00019.00
8.1.220.0000.01017.74
8.1.210.0040.00418.77
8.1.200.0030.00717.36
8.1.190.0050.00317.13
8.1.180.0030.00618.10
8.1.170.0060.00318.59
8.1.160.0040.00421.97
8.1.150.0040.00418.73
8.1.140.0000.00817.52
8.1.130.0070.00017.78
8.1.120.0000.00717.49
8.1.110.0040.00417.55
8.1.100.0040.00417.51
8.1.90.0040.00417.51
8.1.80.0040.00417.46
8.1.70.0050.00317.55
8.1.60.0000.00817.67
8.1.50.0000.00917.59
8.1.40.0030.00517.66
8.1.30.0050.00517.72
8.1.20.0040.00417.77
8.1.10.0040.00417.59
8.1.00.0000.00817.61
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0030.00318.40
8.0.270.0080.00017.24
8.0.260.0070.00017.12
8.0.250.0080.00017.09
8.0.240.0000.00717.11
8.0.230.0000.00717.11
8.0.220.0030.00317.05
8.0.210.0070.00317.03
8.0.200.0030.00317.11
8.0.190.0030.00317.06
8.0.180.0000.00717.02
8.0.170.0000.00717.02
8.0.160.0040.00416.95
8.0.150.0100.00016.87
8.0.140.0080.00017.02
8.0.130.0060.00013.46
8.0.120.0040.00416.91
8.0.110.0040.00416.90
8.0.100.0000.00716.86
8.0.90.0000.00717.00
8.0.80.0070.00717.00
8.0.70.0030.00617.07
8.0.60.0040.00417.15
8.0.50.0040.00416.94
8.0.30.0140.00717.29
8.0.20.0090.01517.40
8.0.10.0070.00017.16
8.0.00.0090.00816.79
7.4.330.0020.00215.05
7.4.320.0030.00316.74
7.4.300.0030.00316.50
7.4.290.0080.00016.48
7.4.280.0050.00516.70
7.4.270.0040.00416.68
7.4.260.0070.00316.68
7.4.250.0040.00416.60
7.4.240.0030.00316.67
7.4.230.0000.00716.66
7.4.220.0070.01016.83
7.4.210.0080.00816.73
7.4.200.0000.00716.81
7.4.160.0070.00716.76
7.4.150.0080.01117.40
7.4.140.0120.00917.86
7.4.130.0100.00716.73
7.4.120.0080.00916.56
7.4.110.0100.00616.52
7.4.100.0070.01016.68
7.4.90.0100.00716.54
7.4.80.0120.00619.39
7.4.70.0080.01116.58
7.4.60.0070.01016.39
7.4.50.0000.00616.64
7.4.40.0080.00816.64
7.4.30.0090.00616.53
7.4.00.0000.01514.98
7.3.330.0030.00313.07
7.3.320.0000.00613.07
7.3.310.0030.00316.43
7.3.300.0030.00316.25
7.3.290.0030.01016.34
7.3.280.0110.00516.35
7.3.270.0060.01217.40
7.3.260.0140.00316.41
7.3.250.0090.00816.48
7.3.240.0120.00616.63
7.3.230.0120.00416.48
7.3.210.0080.00816.53
7.3.200.0220.00619.39
7.3.190.0120.00616.45
7.3.180.0090.00816.50
7.3.170.0080.00816.49
7.3.160.0090.00616.48
7.3.120.0080.00815.13
7.2.330.0140.00316.54
7.2.320.0120.00416.57
7.2.310.0030.01316.50
7.2.300.0100.01016.53
7.2.290.0140.00316.62
7.2.00.0040.00819.20
7.1.100.0000.01118.27
7.1.70.0030.00617.41
7.1.60.0110.01519.70
7.1.50.0130.01317.02
7.1.00.0000.08022.56
7.0.200.0070.00716.75
7.0.140.0030.07322.21
7.0.60.0000.04319.91
7.0.50.0070.08317.92
7.0.40.0100.07720.29
7.0.30.0470.07320.13
7.0.20.0200.08720.11
7.0.10.0270.08320.05
7.0.00.0030.08020.31
5.6.280.0100.06721.12
5.6.210.0000.07020.48
5.6.200.0030.08018.16
5.6.190.0070.08320.43
5.6.180.0200.08020.65
5.6.170.0430.04320.55
5.6.160.0070.08720.50
5.6.150.0070.03718.11
5.6.140.0030.08718.15
5.6.130.0130.07318.16
5.6.120.0030.07721.01
5.6.110.0170.07321.00
5.6.100.0030.04021.10
5.6.90.0030.08020.99
5.6.80.0130.07020.43
5.6.70.0370.04720.36
5.5.350.0130.07320.41
5.5.340.0070.05018.00
5.5.330.0100.08720.37
5.5.320.0070.08320.41
5.5.310.0300.07020.29
5.5.300.0030.04018.01
5.5.290.0100.07317.95
5.5.280.0070.04020.89
5.5.270.0070.07320.68
5.5.260.0030.08720.85
5.5.250.0100.08020.60
5.5.240.0000.04320.35
5.4.450.0130.05319.11
5.4.440.0800.06319.60
5.4.430.0500.07719.61
5.4.420.0800.00019.43
5.4.410.0130.05318.93
5.4.400.0330.07018.74
5.4.390.0200.06018.74
5.4.380.0170.06018.68
5.4.370.0100.05018.68
5.4.360.0170.04018.71
5.4.350.0090.03211.97
5.4.340.0110.04211.96
5.4.320.0100.03212.45
5.4.310.0120.05312.45
5.4.300.0080.03512.45
5.4.290.0050.04012.45
5.4.280.0050.03712.35
5.4.270.0030.04012.35
5.4.260.0090.03412.35
5.4.250.0060.03812.34
5.4.240.0050.03612.35
5.4.230.0050.03812.34
5.4.220.0050.04012.34
5.4.210.0050.03812.34
5.4.200.0080.03512.34
5.4.190.0060.03612.33
5.4.180.0070.03512.33
5.4.170.0040.04012.34
5.4.160.0030.03912.34
5.4.150.0040.03812.34
5.4.140.0050.04012.02
5.4.130.0100.03612.01
5.4.120.0080.03411.97
5.4.110.0080.03511.96
5.4.100.0060.04211.96
5.4.90.0050.04411.96
5.4.80.0110.03211.96
5.4.70.0030.03911.96
5.4.60.0030.03911.96
5.4.50.0060.03711.96
5.4.40.0060.03711.95
5.4.30.0090.03311.95
5.4.20.0050.03711.95
5.4.10.0060.03411.95
5.4.00.0070.03411.44
5.3.290.0100.05212.80
5.3.280.0090.03612.71
5.3.270.0070.04312.73
5.3.260.0080.03912.72
5.3.250.0050.04012.72
5.3.240.0100.03512.71
5.3.230.0080.03712.71
5.3.220.0040.04112.68
5.3.210.0090.03912.68
5.3.200.0050.04012.68
5.3.190.0090.03512.68
5.3.180.0100.03812.68
5.3.170.0080.03912.67
5.3.160.0060.04612.67
5.3.150.0080.05212.68
5.3.140.0070.04112.66
5.3.130.0070.04512.66
5.3.120.0040.04012.66
5.3.110.0050.04212.66
5.3.100.0070.03812.12
5.3.90.0040.03912.09
5.3.80.0040.03912.08
5.3.70.0050.03712.08
5.3.60.0070.03612.06
5.3.50.0070.03512.00
5.3.40.0070.03512.00
5.3.30.0060.03611.95
5.3.20.0080.04311.73
5.3.10.0090.05011.70
5.3.00.0090.04611.69
5.2.170.0060.0419.19
5.2.160.0070.0379.19
5.2.150.0060.0319.19
5.2.140.0060.0319.18
5.2.130.0060.0299.15
5.2.120.0080.0259.15
5.2.110.0030.0319.16
5.2.100.0050.0289.15
5.2.90.0040.0319.14
5.2.80.0060.0339.14
5.2.70.0080.0279.14
5.2.60.0060.0309.10
5.2.50.0030.0349.06
5.2.40.0040.0339.04
5.2.30.0060.0349.02
5.2.20.0040.0309.01
5.2.10.0060.0278.92
5.2.00.0040.0318.77
5.1.60.0060.0238.06
5.1.50.0040.0258.05
5.1.40.0060.0258.04
5.1.30.0060.0248.39
5.1.20.0070.0258.41
5.1.10.0040.0318.14
5.1.00.0030.0278.13
5.0.50.0060.0246.61
5.0.40.0030.0216.47
5.0.30.0040.0316.29
5.0.20.0040.0196.25
5.0.10.0020.0216.23
5.0.00.0030.0316.22
4.4.90.0050.0144.78
4.4.80.0030.0154.75
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0050.0134.77
4.4.40.0020.0264.71
4.4.30.0050.0144.76
4.4.20.0050.0184.84
4.4.10.0030.0164.85
4.4.00.0040.0274.76
4.3.110.0040.0154.67
4.3.100.0030.0154.67
4.3.90.0030.0144.64
4.3.80.0030.0254.59
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0040.0144.63
4.3.40.0040.0234.54
4.3.30.0020.0163.28
4.3.20.0010.0173.25
4.3.10.0010.0173.21
4.3.00.0070.0276.43

preferences:
36.8 ms | 401 KiB | 5 Q