3v4l.org

run code in 300+ PHP versions simultaneously
<?php $content = <<<CONTENT @tag CONTENT; $matches = array(); var_dump(preg_match('/^\A\w*@/', $content, $matches, null, 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)
8.3.60.0140.00018.43
8.3.50.0150.00522.05
8.3.40.0090.00918.88
8.3.30.0070.00719.05
8.3.20.0040.00420.34
8.3.10.0000.00820.66
8.3.00.0040.00419.50
8.2.180.0070.01516.88
8.2.170.0090.00622.96
8.2.160.0070.00720.40
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0070.00022.14
8.2.110.0030.00622.11
8.2.100.0090.00317.84
8.2.90.0000.00918.98
8.2.80.0000.00817.97
8.2.70.0040.00417.75
8.2.60.0080.00017.91
8.2.50.0040.00418.07
8.2.40.0000.00818.09
8.2.30.0040.00419.14
8.2.20.0000.00717.88
8.2.10.0050.00218.06
8.2.00.0040.00417.84
8.1.280.0090.00625.92
8.1.270.0030.00523.92
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00423.88
8.1.230.0080.00418.99
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0100.00017.48
8.1.190.0000.00817.13
8.1.180.0000.00818.10
8.1.170.0050.00318.64
8.1.160.0000.00921.89
8.1.150.0000.00818.76
8.1.140.0040.00417.48
8.1.130.0000.00717.84
8.1.120.0000.00717.41
8.1.110.0030.00517.43
8.1.100.0030.00517.48
8.1.90.0000.00717.52
8.1.80.0060.00317.55
8.1.70.0080.00017.38
8.1.60.0000.00817.62
8.1.50.0030.00617.51
8.1.40.0030.00617.46
8.1.30.0050.00317.57
8.1.20.0030.00617.71
8.1.10.0040.00417.57
8.1.00.0060.00317.47
8.0.300.0040.00418.77
8.0.290.0060.00316.88
8.0.280.0070.00018.43
8.0.270.0000.00717.07
8.0.260.0070.00017.20
8.0.250.0030.00317.12
8.0.240.0000.00617.13
8.0.230.0050.00317.05
8.0.220.0040.00416.95
8.0.210.0000.00716.99
8.0.200.0030.00316.99
8.0.190.0040.00417.03
8.0.180.0040.00417.08
8.0.170.0080.00017.01
8.0.160.0040.00416.90
8.0.150.0000.00716.92
8.0.140.0000.00716.90
8.0.130.0000.00513.47
8.0.120.0040.00416.99
8.0.110.0000.00717.09
8.0.100.0070.00017.08
8.0.90.0030.00516.91
8.0.80.0000.01417.01
8.0.70.0070.00016.97
8.0.60.0000.00816.96
8.0.50.0000.00716.98
8.0.30.0110.00817.14
8.0.20.0130.01017.40
8.0.10.0030.00517.19
8.0.00.0100.00816.99
7.4.330.0050.00015.07
7.4.320.0000.00716.71
7.4.300.0030.00316.62
7.4.290.0070.00016.70
7.4.280.0040.00716.71
7.4.270.0070.00016.80
7.4.260.0050.00316.75
7.4.250.0000.00716.59
7.4.240.0050.00216.73
7.4.230.0030.00316.59
7.4.220.0090.00916.87
7.4.210.0150.02016.73
7.4.200.0040.00416.73
7.4.160.0030.01416.79
7.4.150.0090.01017.40
7.4.140.0070.01017.86
7.4.130.0130.00516.71
7.4.120.0120.00716.67
7.4.110.0100.00616.71
7.4.100.0110.00716.66
7.4.90.0100.00716.83
7.4.80.0100.00716.86
7.4.70.0200.00716.83
7.4.60.0090.00916.68
7.4.50.0000.00816.65
7.4.40.0090.00616.56
7.4.30.0070.01016.79
7.4.00.0040.01115.12
7.3.330.0050.00213.14
7.3.320.0030.00313.25
7.3.310.0000.00716.50
7.3.300.0030.00316.41
7.3.290.0040.01116.46
7.3.280.0070.01016.40
7.3.270.0060.01217.40
7.3.260.0180.00616.61
7.3.250.0110.00816.48
7.3.240.0100.00716.68
7.3.230.0040.01316.57
7.3.210.0110.00716.46
7.3.200.0130.00919.39
7.3.190.0090.01516.59
7.3.180.0070.01016.35
7.3.170.0150.00416.34
7.3.160.0160.00016.49
7.2.330.0140.01016.64
7.2.320.0140.00316.57
7.2.310.0100.00716.66
7.2.300.0090.01116.64
7.2.290.0150.00316.66
7.2.60.0040.01116.87
7.2.00.0090.00619.18
7.1.200.0060.00915.79
7.1.100.0130.00818.48
7.1.70.0000.00817.16
7.1.60.0070.01519.32
7.1.50.0060.01317.13
7.1.00.0030.07022.59
7.0.200.0070.00016.96
7.0.140.0030.07021.99
7.0.60.0070.07319.91
7.0.50.0030.08317.68
7.0.40.0000.04720.22
7.0.30.0300.08720.21
7.0.20.0370.06020.03
7.0.10.0130.08320.34
7.0.00.0130.04320.12
5.6.280.0100.06320.92
5.6.210.0030.04020.66
5.6.200.0070.04718.22
5.6.190.0070.04020.35
5.6.180.0270.04320.41
5.6.170.0370.08020.42
5.6.160.0130.06320.59
5.6.150.0130.07018.21
5.6.140.0100.04318.20
5.6.130.0030.08718.16
5.6.120.0100.05320.84
5.6.110.0130.06720.98
5.6.100.0130.05720.88
5.6.90.0070.08021.11
5.6.80.0230.06720.37
5.5.350.0100.06320.30
5.5.340.0000.05317.92
5.5.330.0070.05320.37
5.5.320.0330.07720.34
5.5.310.0330.06320.26
5.5.300.0070.05018.01
5.5.290.0100.07717.93
5.5.280.0030.06720.68
5.5.270.0000.09320.66
5.5.260.0200.05720.89
5.5.250.0070.04720.54
5.5.240.2200.03720.04
5.4.450.0300.06019.54
5.4.440.0970.06719.46
5.4.430.0930.05719.47
5.4.420.0670.05319.60
5.4.410.1030.05019.38
5.4.400.1000.06019.14
5.4.390.0470.05319.26
5.4.380.0270.06018.63
5.4.370.0500.05318.74
5.4.360.0430.04718.83
5.4.350.0330.05318.73
5.4.340.0530.04318.49
5.4.320.0090.03612.46
5.4.310.0070.03712.45
5.4.300.0070.03812.45
5.4.290.0060.03712.45
5.4.280.0080.03712.35
5.4.270.0050.03812.34
5.4.260.0040.04012.34
5.4.250.0100.04112.35
5.4.240.0080.03912.34
5.4.230.0060.03712.34
5.4.220.0060.03912.34
5.4.210.0080.04412.34
5.4.200.0050.03812.34
5.4.190.0090.03812.33
5.4.180.0070.03812.33
5.4.170.0040.04712.35
5.4.160.0050.04312.34
5.4.150.0050.04512.34
5.4.140.0050.04312.02
5.4.130.0040.04312.01
5.4.120.0020.04511.96
5.4.110.0010.04111.97
5.4.100.0090.03311.96
5.4.90.0030.03911.96
5.4.80.0060.04211.96
5.4.70.0050.03511.96
5.4.60.0060.03611.96
5.4.50.0050.03711.96
5.4.40.0070.03311.95
5.4.30.0050.03911.95
5.4.20.0080.03911.95
5.4.10.0050.03911.95
5.4.00.0070.03911.43
5.3.290.0070.04312.80
5.3.280.0090.04012.71
5.3.270.0040.04712.72
5.3.260.0080.03912.72
5.3.250.0100.03312.72
5.3.240.0060.03712.72
5.3.230.0040.04012.71
5.3.220.0070.03612.68
5.3.210.0050.04012.68
5.3.200.0070.03512.68
5.3.190.0090.03412.67
5.3.180.0070.03912.67
5.3.170.0050.03812.67
5.3.160.0070.03612.68
5.3.150.0100.03412.67
5.3.140.0050.03812.66
5.3.130.0070.03912.66
5.3.120.0070.03812.66
5.3.110.0050.04812.66
5.3.100.0100.04312.12
5.3.90.0100.04012.08
5.3.80.0080.04112.07
5.3.70.0120.03312.07
5.3.60.0050.03712.07
5.3.50.0040.03712.00
5.3.40.0090.03512.00
5.3.30.0070.03611.94
5.3.20.0040.03711.72
5.3.10.0050.03511.69
5.3.00.0050.03611.67
5.2.170.0020.0349.18
5.2.160.0040.0329.18
5.2.150.0050.0349.18
5.2.140.0060.0309.17
5.2.130.0080.0289.13
5.2.120.0060.0289.14
5.2.110.0060.0289.14
5.2.100.0040.0359.14
5.2.90.0080.0299.14
5.2.80.0040.0389.13
5.2.70.0040.0309.13
5.2.60.0020.0329.09
5.2.50.0050.0299.05
5.2.40.0030.0309.04
5.2.30.0050.0299.02
5.2.20.0070.0379.00
5.2.10.0070.0288.92
5.2.00.0030.0308.77
5.1.60.0050.0298.06
5.1.50.0040.0308.06
5.1.40.0020.0318.04
5.1.30.0050.0268.39
5.1.20.0050.0328.41
5.1.10.0040.0288.14
5.1.00.0020.0278.13
5.0.50.0060.0176.61
5.0.40.0020.0206.47
5.0.30.0050.0306.29
5.0.20.0020.0236.26
5.0.10.0050.0206.23
5.0.00.0020.0326.23
4.4.90.0010.0244.78
4.4.80.0040.0144.75
4.4.70.0040.0144.75
4.4.60.0040.0144.76
4.4.50.0050.0134.77
4.4.40.0020.0264.71
4.4.30.0010.0204.76
4.4.20.0040.0194.84
4.4.10.0020.0224.85
4.4.00.0030.0264.76
4.3.110.0030.0224.67
4.3.100.0030.0174.66
4.3.90.0020.0204.63
4.3.80.0050.0264.58
4.3.70.0030.0194.63
4.3.60.0020.0194.63
4.3.50.0030.0164.63
4.3.40.0040.0294.54
4.3.30.0030.0153.28
4.3.20.0040.0223.25
4.3.10.0020.0153.22
4.3.00.0030.0236.86

preferences:
51.15 ms | 400 KiB | 5 Q