3v4l.org

run code in 300+ PHP versions simultaneously
<?php $content = <<<CONTENT @tag CONTENT; $matches = array(); var_dump(preg_match('/\A\w*@/', substr($content, 0)) === 1);

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)
8.3.60.0210.00018.43
8.3.50.0240.01022.06
8.3.40.0040.01118.71
8.3.30.0000.01519.08
8.3.20.0070.00020.13
8.3.10.0030.00620.82
8.3.00.0040.00419.51
8.2.180.0140.00416.75
8.2.170.0150.00622.96
8.2.160.0160.00320.39
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0030.00522.06
8.2.110.0080.00020.38
8.2.100.0080.00317.97
8.2.90.0030.00518.91
8.2.80.0030.00517.97
8.2.70.0060.00317.75
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0060.00318.19
8.2.30.0040.00419.25
8.2.20.0000.00817.81
8.2.10.0030.00518.11
8.2.00.0030.00617.63
8.1.280.0030.01425.92
8.1.270.0000.00823.67
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.89
8.1.230.0040.00719.05
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.35
8.1.180.0040.00418.10
8.1.170.0070.00718.71
8.1.160.0040.00421.96
8.1.150.0000.00718.76
8.1.140.0000.00717.52
8.1.130.0030.00619.32
8.1.120.0040.00417.61
8.1.110.0050.00317.56
8.1.100.0070.00017.53
8.1.90.0000.00717.57
8.1.80.0100.00017.43
8.1.70.0050.00317.49
8.1.60.0060.00317.65
8.1.50.0080.00017.64
8.1.40.0040.00417.51
8.1.30.0030.00617.65
8.1.20.0040.00417.70
8.1.10.0040.00417.65
8.1.00.0040.00417.63
8.0.300.0000.00718.77
8.0.290.0000.00816.88
8.0.280.0070.00018.45
8.0.270.0070.00017.18
8.0.260.0000.00716.91
8.0.250.0040.00416.98
8.0.240.0000.00616.98
8.0.230.0000.00716.98
8.0.220.0040.00417.05
8.0.210.0030.00317.00
8.0.200.0000.00617.00
8.0.190.0000.00717.03
8.0.180.0040.00417.05
8.0.170.0000.00817.06
8.0.160.0030.00317.00
8.0.150.0070.00016.99
8.0.140.0000.00716.95
8.0.130.0000.00613.44
8.0.120.0030.00516.95
8.0.110.0000.00717.07
8.0.100.0030.00517.09
8.0.90.0000.00717.06
8.0.80.0000.01517.02
8.0.70.0000.00816.96
8.0.60.0040.00417.00
8.0.50.0030.00316.92
8.0.30.0080.01117.44
8.0.20.0090.01117.40
8.0.10.0040.00417.04
8.0.00.0070.01016.75
7.4.330.0030.00315.03
7.4.320.0060.00016.71
7.4.300.0030.00316.75
7.4.290.0000.00716.67
7.4.280.0070.00416.70
7.4.270.0070.00016.64
7.4.260.0000.00716.79
7.4.250.0000.00816.58
7.4.240.0030.00416.71
7.4.230.0040.00416.82
7.4.220.0080.00916.71
7.4.210.0070.01016.78
7.4.200.0030.00316.83
7.4.160.0060.00916.87
7.4.150.0130.00717.40
7.4.140.0110.00817.86
7.4.130.0050.01516.71
7.4.120.0080.00816.79
7.4.110.0130.00316.54
7.4.100.0070.01316.65
7.4.90.0100.01416.82
7.4.80.0120.00616.88
7.4.70.0090.00916.61
7.4.60.0030.01316.55
7.4.50.0050.00016.57
7.4.40.0080.00816.70
7.4.30.0100.01016.73
7.4.00.0090.00614.98
7.3.330.0060.00013.14
7.3.320.0060.00013.33
7.3.310.0070.00016.23
7.3.300.0070.00016.38
7.3.290.0070.01016.38
7.3.280.0090.00816.45
7.3.270.0090.01517.40
7.3.260.0080.01216.54
7.3.250.0120.00916.65
7.3.240.0080.01016.52
7.3.230.0030.01316.67
7.3.210.0140.00716.36
7.3.200.0110.00719.39
7.3.190.0100.00716.75
7.3.180.0100.00716.34
7.3.170.0000.01616.43
7.3.160.0060.00916.41
7.2.330.0100.00716.64
7.2.320.0100.01016.61
7.2.310.0070.01016.47
7.2.300.0190.00416.65
7.2.290.0020.01516.78
7.2.60.0120.00016.71
7.2.00.0040.01119.32
7.1.200.0090.00615.71
7.1.100.0070.01118.07
7.1.70.0050.00517.26
7.1.60.0170.00719.32
7.1.50.0040.00717.11
7.1.00.0070.07022.44
7.0.200.0070.00416.94
7.0.140.0000.07722.09
7.0.60.0170.03719.94
7.0.50.0030.07017.90
7.0.40.0030.04720.26
7.0.30.0270.06020.21
7.0.20.0170.04020.21
7.0.10.0270.08720.21
7.0.00.0100.07720.34
5.6.280.0000.07721.02
5.6.210.0070.04720.46
5.6.200.0030.09018.20
5.6.190.0230.04020.58
5.6.180.0270.04020.67
5.6.170.0300.07720.50
5.6.160.0070.07320.41
5.6.150.0070.06718.04
5.6.140.0070.05718.19
5.6.130.0070.07018.16
5.6.120.0070.04721.11
5.6.110.0130.07720.98
5.6.100.0070.04021.13
5.6.90.0100.08020.97
5.6.80.0130.08020.43
5.5.350.0130.04720.40
5.5.340.0100.08018.02
5.5.330.0100.07320.36
5.5.320.0500.06720.24
5.5.310.0300.07020.41
5.5.300.0130.07717.98
5.5.290.0070.03717.87
5.5.280.0200.06320.86
5.5.270.0030.04720.75
5.5.260.0100.07720.86
5.5.250.0200.04320.46
5.5.240.0030.08020.11
5.4.450.0300.05319.55
5.4.440.1030.06319.40
5.4.430.0900.05719.48
5.4.420.0970.05319.27
5.4.410.0930.06019.50
5.4.400.0530.05719.16
5.4.390.0900.06019.28
5.4.380.0330.05718.68
5.4.370.0370.05318.49
5.4.360.0400.04018.70
5.4.350.0330.05318.68
5.4.340.0370.05318.49
5.4.320.0080.03312.45
5.4.310.0050.03912.45
5.4.300.0080.04512.45
5.4.290.0040.03812.45
5.4.280.0040.03812.35
5.4.270.0080.03612.34
5.4.260.0060.04312.34
5.4.250.0080.03612.35
5.4.240.0090.03712.34
5.4.230.0100.04212.34
5.4.220.0080.03312.34
5.4.210.0090.03512.34
5.4.200.0090.03912.34
5.4.190.0050.04012.33
5.4.180.0080.04412.33
5.4.170.0060.03612.34
5.4.160.0080.04512.34
5.4.150.0060.03512.34
5.4.140.0070.03612.02
5.4.130.0040.03712.01
5.4.120.0050.03511.97
5.4.110.0070.04711.96
5.4.100.0100.03511.97
5.4.90.0060.03811.96
5.4.80.0050.03811.96
5.4.70.0030.03711.96
5.4.60.0030.03711.96
5.4.50.0060.03411.96
5.4.40.0030.03811.95
5.4.30.0080.03611.95
5.4.20.0080.03611.95
5.4.10.0030.04611.95
5.4.00.0080.03511.44
5.3.290.0070.04212.80
5.3.280.0090.04512.71
5.3.270.0090.03712.72
5.3.260.0090.03712.71
5.3.250.0060.03812.72
5.3.240.0080.04112.72
5.3.230.0050.04412.71
5.3.220.0070.03512.68
5.3.210.0050.03912.68
5.3.200.0080.03812.68
5.3.190.0080.04412.67
5.3.180.0090.03312.67
5.3.170.0080.03612.67
5.3.160.0050.03612.67
5.3.150.0050.03712.67
5.3.140.0050.03612.66
5.3.130.0020.04412.66
5.3.120.0050.04112.66
5.3.110.0080.03712.66
5.3.100.0070.04312.12
5.3.90.0060.03712.09
5.3.80.0080.04012.07
5.3.70.0080.04612.08
5.3.60.0090.03812.07
5.3.50.0070.04012.00
5.3.40.0060.03512.00
5.3.30.0080.03611.94
5.3.20.0020.04011.72
5.3.10.0070.03211.69
5.3.00.0050.03611.67
5.2.170.0060.0339.18
5.2.160.0030.0379.18
5.2.150.0040.0379.18
5.2.140.0030.0329.17
5.2.130.0050.0299.13
5.2.120.0030.0339.14
5.2.110.0070.0299.14
5.2.100.0030.0349.14
5.2.90.0120.0359.14
5.2.80.0060.0319.14
5.2.70.0040.0329.13
5.2.60.0070.0299.08
5.2.50.0050.0289.06
5.2.40.0080.0319.04
5.2.30.0050.0359.02
5.2.20.0060.0339.00
5.2.10.0040.0338.92
5.2.00.0070.0358.78
5.1.60.0040.0268.06
5.1.50.0060.0288.05
5.1.40.0050.0268.04
5.1.30.0050.0288.39
5.1.20.0070.0328.41
5.1.10.0060.0318.14
5.1.00.0090.0268.13
5.0.50.0060.0226.62
5.0.40.0070.0176.47
5.0.30.0050.0336.29
5.0.20.0050.0286.26
5.0.10.0040.0246.23
5.0.00.0090.0426.23
4.4.90.0040.0194.78
4.4.80.0030.0184.75
4.4.70.0040.0164.76
4.4.60.0060.0154.76
4.4.50.0050.0164.77
4.4.40.0020.0254.70
4.4.30.0010.0174.76
4.4.20.0040.0144.84
4.4.10.0030.0154.84
4.4.00.0040.0234.75
4.3.110.0020.0184.67
4.3.100.0040.0144.67
4.3.90.0030.0144.63
4.3.80.0030.0304.58
4.3.70.0030.0204.63
4.3.60.0010.0164.63
4.3.50.0030.0214.63
4.3.40.0060.0264.54
4.3.30.0030.0223.28
4.3.20.0000.0183.25
4.3.10.0030.0263.21
4.3.00.0100.0176.86

preferences:
46.09 ms | 401 KiB | 5 Q