3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('/(?>[A-Za-z]+)::([A-Za-z]+)/', 'Foo::Bar', $m); var_dump($m); preg_match('/([A-Za-z]++)::([A-Za-z]+)/', 'Foo::Bar', $m); var_dump($m);

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)
8.3.60.0120.00316.86
8.3.50.0150.00222.88
8.3.40.0110.00718.78
8.3.30.0100.00318.95
8.3.20.0070.00020.33
8.3.10.0040.00423.61
8.3.00.0040.00419.38
8.2.180.0090.00618.66
8.2.170.0030.01222.96
8.2.160.0140.00020.39
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0120.00626.16
8.2.120.0030.00521.15
8.2.110.0060.00322.39
8.2.100.0060.00618.09
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0040.00417.79
8.2.50.0000.00918.07
8.2.40.0040.00417.95
8.2.30.0000.00717.91
8.2.20.0040.00417.70
8.2.10.0000.00717.94
8.2.00.0040.00417.77
8.1.280.0100.00325.92
8.1.270.0030.00524.01
8.1.260.0050.00326.35
8.1.250.0020.00528.09
8.1.240.0090.00022.27
8.1.230.0060.00619.07
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0090.00317.23
8.1.190.0000.00817.25
8.1.180.0030.00718.10
8.1.170.0060.00318.77
8.1.160.0040.00421.89
8.1.150.0050.00218.75
8.1.140.0000.00917.51
8.1.130.0070.00017.79
8.1.120.0000.00717.48
8.1.110.0070.00017.45
8.1.100.0070.00017.39
8.1.90.0070.00417.37
8.1.80.0030.00317.50
8.1.70.0030.00317.43
8.1.60.0000.00817.62
8.1.50.0040.00417.42
8.1.40.0070.00017.54
8.1.30.0050.00317.64
8.1.20.0040.00417.64
8.1.10.0060.00317.61
8.1.00.0030.00617.52
8.0.300.0000.00718.77
8.0.290.0050.00216.75
8.0.280.0070.00018.38
8.0.270.0030.00317.07
8.0.260.0030.00317.14
8.0.250.0030.00316.99
8.0.240.0000.00617.00
8.0.230.0030.00316.96
8.0.220.0030.00316.90
8.0.210.0060.00016.80
8.0.200.0070.00016.93
8.0.190.0070.00016.84
8.0.180.0050.00216.84
8.0.170.0040.00416.91
8.0.160.0070.00016.78
8.0.150.0000.00716.90
8.0.140.0000.00716.75
8.0.130.0050.00013.36
8.0.120.0040.00416.78
8.0.110.0050.00316.93
8.0.100.0000.00816.91
8.0.90.0000.00816.92
8.0.80.0090.00616.90
8.0.70.0000.00717.00
8.0.60.0070.00017.03
8.0.50.0040.00416.86
8.0.30.0090.01417.27
8.0.20.0110.01117.40
8.0.10.0050.00216.99
8.0.00.0050.01516.73
7.4.330.0050.00015.04
7.4.320.0000.00616.59
7.4.300.0030.00316.59
7.4.290.0000.00716.69
7.4.280.0000.00816.53
7.4.270.0040.00416.60
7.4.260.0080.00016.71
7.4.250.0030.00516.50
7.4.240.0050.00216.56
7.4.230.0070.00016.68
7.4.220.0170.00716.55
7.4.210.0070.01016.73
7.4.200.0030.00316.66
7.4.160.0050.01416.46
7.4.150.0040.01417.40
7.4.140.0130.00817.86
7.4.130.0040.01416.60
7.4.120.0100.00816.64
7.4.110.0090.00916.46
7.4.100.0140.00316.46
7.4.90.0040.01316.59
7.4.80.0060.01119.39
7.4.70.0090.00916.65
7.4.60.0140.00716.58
7.4.50.0000.00816.65
7.4.40.0090.00916.62
7.4.30.0060.00916.58
7.4.00.0080.00815.00
7.3.330.0040.00413.22
7.3.320.0060.00013.13
7.3.310.0030.00316.29
7.3.300.0070.00016.18
7.3.290.0090.01216.25
7.3.280.0100.00516.29
7.3.270.0080.01117.40
7.3.260.0040.01316.27
7.3.250.0110.00616.44
7.3.240.0090.01216.30
7.3.230.0100.00716.63
7.3.210.0080.00816.36
7.3.200.0130.00719.39
7.3.190.0160.00616.25
7.3.180.0030.01216.53
7.3.170.0100.01316.33
7.3.160.0060.01016.46
7.3.120.0060.01114.85
7.3.110.0100.00614.72
7.3.100.0120.00414.68
7.3.90.0080.00914.74
7.3.80.0060.00814.98
7.3.70.0050.00914.90
7.3.60.0050.00714.83
7.3.50.0040.00914.71
7.3.40.0020.01114.64
7.3.30.0030.01014.71
7.3.20.0080.00616.60
7.3.10.0030.01016.63
7.3.00.0030.01016.58
7.2.330.0090.01516.75
7.2.320.0110.01116.53
7.2.310.0070.01616.48
7.2.300.0100.00716.69
7.2.290.0080.00816.70
7.2.250.0060.01014.89
7.2.240.0080.01114.90
7.2.230.0100.00314.75
7.2.220.0110.00314.85
7.2.210.0060.00814.96
7.2.200.0080.00614.95
7.2.190.0090.00514.82
7.2.180.0040.00914.91
7.2.170.0090.00715.14
7.2.00.0080.01119.44
7.1.330.0060.00615.95
7.1.320.0070.00516.04
7.1.310.0110.00015.74
7.1.300.0060.00715.82
7.1.290.0050.00815.88
7.1.280.0080.00515.54
7.1.270.0050.00915.79
7.1.260.0080.00515.87
7.1.100.0060.00318.38
7.1.70.0000.00817.34
7.1.60.0130.01019.40
7.1.50.0060.00916.77
7.1.00.0100.08322.38
7.0.200.0070.00716.79
7.0.140.0100.07022.19
7.0.60.0030.08319.93
7.0.50.0130.08017.82
7.0.40.0070.08020.29
7.0.30.0270.04320.04
7.0.20.0100.04720.01
7.0.10.0030.05320.03
7.0.00.0100.08720.14
5.6.280.0000.07721.01
5.6.210.0030.08320.68
5.6.200.0030.04018.17
5.6.190.0100.08320.41
5.6.180.0330.08020.33
5.6.170.0200.03720.33
5.6.160.0030.04020.46
5.6.150.0070.08018.21
5.6.140.0070.05018.09
5.6.130.0030.08318.10
5.6.120.0070.04320.96
5.6.110.0130.07320.98
5.6.100.0130.04720.98
5.6.90.0100.05021.02
5.6.80.0130.06720.52
5.5.350.2670.03720.45
5.5.340.0130.06718.01
5.5.330.0100.03720.20
5.5.320.0230.08020.24
5.5.310.0170.03720.27
5.5.300.0030.04317.95
5.5.290.0170.07317.92
5.5.280.0030.07720.97
5.5.270.0100.07320.71
5.5.260.0100.07320.80
5.5.250.0100.07720.58
5.5.240.0070.07020.14
5.4.450.0670.05319.64
5.4.440.0830.05719.56
5.4.430.0800.05019.28
5.4.420.0670.05319.64
5.4.410.0630.05019.37
5.4.400.0870.04318.96
5.4.390.0970.04719.15
5.4.380.0170.05318.48
5.4.370.0130.03318.69
5.4.360.0070.03718.71
5.4.350.0040.03611.97
5.4.340.0100.04711.97
5.4.320.0070.03412.45
5.4.310.0060.04512.45
5.4.300.0040.03712.45
5.4.290.0070.03912.45
5.4.280.0050.03912.35
5.4.270.0140.03512.34
5.4.260.0080.03612.34
5.4.250.0020.04012.34
5.4.240.0050.03712.34
5.4.230.0050.04612.34
5.4.220.0050.03812.34
5.4.210.0060.03812.34
5.4.200.0060.03912.34
5.4.190.0030.03912.34
5.4.180.0050.03712.34
5.4.170.0080.03412.34
5.4.160.0040.03712.34
5.4.150.0050.03712.34
5.4.140.0100.03212.02
5.4.130.0060.03512.01
5.4.120.0080.03511.97
5.4.110.0050.03711.96
5.4.100.0090.03111.96
5.4.90.0020.04011.96
5.4.80.0120.04011.96
5.4.70.0050.03511.96
5.4.60.0040.03511.96
5.4.50.0050.03511.96
5.4.40.0080.03711.95
5.4.30.0050.03511.95
5.4.20.0060.03311.95
5.4.10.0020.03711.95
5.4.00.0060.03511.43
5.3.290.0100.04612.80
5.3.280.0080.04012.71
5.3.270.0080.03812.72
5.3.260.0040.04012.72
5.3.250.0060.03712.72
5.3.240.0070.04612.72
5.3.230.0120.04212.71
5.3.220.0090.03312.68
5.3.210.0060.03812.68
5.3.200.0080.03812.68
5.3.190.0050.03812.68
5.3.180.0050.03712.67
5.3.170.0060.03712.67
5.3.160.0030.03812.67
5.3.150.0090.03512.68
5.3.140.0060.03612.66
5.3.130.0060.04012.66
5.3.120.0060.03812.66
5.3.110.0030.04112.66
5.3.100.0050.03712.12
5.3.90.0060.03512.08
5.3.80.0070.03412.07
5.3.70.0050.03812.08
5.3.60.0110.03612.06
5.3.50.0060.03812.00
5.3.40.0050.03712.00
5.3.30.0040.03611.96
5.3.20.0020.03811.73
5.3.10.0040.03511.70
5.3.00.0050.03611.69
5.2.170.0030.0319.19
5.2.160.0060.0279.19
5.2.150.0070.0279.19
5.2.140.0030.0319.18
5.2.130.0040.0299.15
5.2.120.0030.0309.15
5.2.110.0020.0319.16
5.2.100.0060.0299.15
5.2.90.0080.0289.15
5.2.80.0070.0369.15
5.2.70.0060.0299.15
5.2.60.0080.0279.10
5.2.50.0060.0299.07
5.2.40.0040.0339.05
5.2.30.0030.0329.03
5.2.20.0070.0319.02
5.2.10.0040.0288.93
5.2.00.0020.0318.79
5.1.60.0010.0268.07
5.1.50.0070.0218.07
5.1.40.0030.0248.05
5.1.30.0030.0278.40
5.1.20.0070.0258.43
5.1.10.0030.0318.14
5.1.00.0050.0318.14
5.0.50.0010.0226.62
5.0.40.0040.0196.48
5.0.30.0010.0336.30
5.0.20.0030.0196.27
5.0.10.0050.0266.25
5.0.00.0040.0306.24
4.4.90.0030.0154.77
4.4.80.0040.0194.75
4.4.70.0050.0134.76
4.4.60.0020.0164.76
4.4.50.0020.0164.77
4.4.40.0010.0274.71
4.4.30.0040.0154.76
4.4.20.0020.0164.85
4.4.10.0040.0144.85
4.4.00.0030.0294.76
4.3.110.0040.0144.67
4.3.100.0030.0204.66
4.3.90.0000.0164.63
4.3.80.0020.0254.59
4.3.70.0040.0184.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0010.0264.54
4.3.30.0020.0213.30
4.3.20.0020.0193.27
4.3.10.0030.0143.23
4.3.00.0200.0207.34

preferences:
24.32 ms | 401 KiB | 5 Q