3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('/(?>[A-Za-z]+)([A-Za-z]+)/', 'FooBar', $m); var_dump($m); preg_match('/([A-Za-z])++([A-Za-z]+)/', 'FooBar', $m); var_dump($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)
8.3.60.0100.01016.63
8.3.50.0080.00722.93
8.3.40.0180.00018.98
8.3.30.0100.00318.92
8.3.20.0000.00720.31
8.3.10.0070.00023.61
8.3.00.0000.00919.33
8.2.180.0150.00416.37
8.2.170.0180.00022.96
8.2.160.0030.01020.39
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0110.00726.16
8.2.120.0050.00221.11
8.2.110.0060.00320.71
8.2.100.0090.00317.78
8.2.90.0040.00418.95
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0040.00417.68
8.2.50.0030.00618.07
8.2.40.0000.00818.09
8.2.30.0040.00417.83
8.2.20.0050.00217.77
8.2.10.0040.00417.96
8.2.00.0050.00317.57
8.1.280.0070.00725.92
8.1.270.0070.01023.90
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0070.01122.00
8.1.230.0040.00823.96
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00717.22
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0060.00318.71
8.1.160.0040.00421.88
8.1.150.0070.00018.80
8.1.140.0080.00317.54
8.1.130.0000.00717.83
8.1.120.0040.00417.52
8.1.110.0040.00417.38
8.1.100.0000.00817.55
8.1.90.0000.01017.43
8.1.80.0020.00517.47
8.1.70.0040.00417.45
8.1.60.0040.00417.60
8.1.50.0030.00617.59
8.1.40.0090.00017.42
8.1.30.0050.00317.68
8.1.20.0060.00317.65
8.1.10.0000.00717.61
8.1.00.0000.00817.54
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0000.00818.34
8.0.270.0030.00317.19
8.0.260.0060.00017.16
8.0.250.0000.00717.00
8.0.240.0030.00316.98
8.0.230.0000.00716.95
8.0.220.0000.00716.84
8.0.210.0000.00716.89
8.0.200.0000.00716.90
8.0.190.0000.00916.86
8.0.180.0040.00417.00
8.0.170.0000.00816.91
8.0.160.0070.00016.79
8.0.150.0000.00716.88
8.0.140.0050.00216.85
8.0.130.0040.00413.30
8.0.120.0060.00316.94
8.0.110.0000.00816.87
8.0.100.0040.00416.93
8.0.90.0040.00416.75
8.0.80.0170.00016.96
8.0.70.0000.00816.88
8.0.60.0040.00417.03
8.0.50.0000.00716.94
8.0.30.0090.01317.01
8.0.20.0110.00917.42
8.0.10.0000.00716.88
8.0.00.0100.00816.73
7.4.330.0020.00215.00
7.4.320.0000.00716.61
7.4.300.0000.00616.66
7.4.290.0030.00316.69
7.4.280.0060.00316.69
7.4.270.0030.00316.67
7.4.260.0030.00316.61
7.4.250.0040.00416.58
7.4.240.0040.00316.68
7.4.230.0030.00316.50
7.4.220.0170.00016.56
7.4.210.0130.00616.63
7.4.200.0000.00716.77
7.4.160.0060.01116.55
7.4.150.0120.01217.40
7.4.140.0070.01117.86
7.4.130.0070.01016.60
7.4.120.0030.01416.47
7.4.110.0070.01016.65
7.4.100.0060.01216.63
7.4.90.0100.00716.63
7.4.80.0140.01019.39
7.4.70.0050.01316.55
7.4.60.0100.00716.54
7.4.50.0030.00516.50
7.4.40.0100.00716.31
7.4.30.0130.00316.84
7.4.00.0120.00414.96
7.3.330.0070.00013.15
7.3.320.0000.00513.09
7.3.310.0030.00316.06
7.3.300.0000.00616.09
7.3.290.0100.00316.40
7.3.280.0060.01016.29
7.3.270.0180.00017.40
7.3.260.0090.00916.27
7.3.250.0100.00716.39
7.3.240.0110.01116.54
7.3.230.0070.01016.39
7.3.210.0110.01116.41
7.3.200.0090.00919.39
7.3.190.0070.01316.66
7.3.180.0070.01016.26
7.3.170.0030.01516.56
7.3.160.0090.00916.44
7.2.330.0170.00416.55
7.2.320.0090.00916.66
7.2.310.0140.00916.50
7.2.300.0090.00916.34
7.2.290.0130.00916.55
7.2.60.0070.00716.64
7.2.00.0030.01319.32
7.1.200.0070.00315.87
7.1.100.0090.00617.89
7.1.70.0000.00817.17
7.1.60.0090.01619.40
7.1.50.0070.01416.83
7.1.00.0070.07322.39
7.0.200.0040.00816.70
7.0.140.0000.07722.18
7.0.60.0070.05320.05
7.0.50.0070.07717.91
7.0.40.0070.08720.20
7.0.30.0270.06720.32
7.0.20.0330.07720.34
7.0.10.0130.08320.05
7.0.00.0100.07720.19
5.6.280.0070.07020.86
5.6.210.0070.07720.49
5.6.200.0070.04718.13
5.6.190.0070.07320.41
5.6.180.4200.04720.45
5.6.170.0370.04720.38
5.6.160.0070.03720.52
5.6.150.0100.06318.22
5.6.140.0100.08318.18
5.6.130.0000.04318.12
5.6.120.0130.04720.91
5.6.110.0070.08021.07
5.6.100.0270.04020.96
5.6.90.0100.08020.99
5.6.80.0000.04020.36
5.6.70.4670.03320.27
5.5.350.0070.07320.27
5.5.340.0130.03317.95
5.5.330.0000.04320.15
5.5.320.0470.06020.51
5.5.310.0200.06320.55
5.5.300.0200.07018.00
5.5.290.0100.08017.91
5.5.280.0230.06720.77
5.5.270.0070.04020.64
5.5.260.0100.07320.75
5.5.250.0030.08320.68
5.5.240.0070.08020.25
5.4.450.0830.03019.46
5.4.440.0000.03719.24
5.4.430.0100.03719.20
5.4.420.0070.04019.38
5.4.410.0270.03719.39
5.4.400.0270.03019.13
5.4.390.0300.05019.25
5.4.380.0430.05318.70
5.4.370.0270.05318.59
5.4.360.0300.05718.74
5.4.350.0330.05718.70
5.4.340.0330.04718.65
5.4.320.0140.05112.45
5.4.310.0070.03712.45
5.4.300.0070.04212.45
5.4.290.0080.05312.45
5.4.280.0070.04812.35
5.4.270.0140.05412.34
5.4.260.0120.04812.35
5.4.250.0020.04312.35
5.4.240.0080.03412.34
5.4.230.0050.03812.34
5.4.220.0060.03612.34
5.4.210.0060.03612.34
5.4.200.0090.03412.34
5.4.190.0100.03712.33
5.4.180.0050.03812.34
5.4.170.0060.03612.34
5.4.160.0050.03612.34
5.4.150.0070.03512.34
5.4.140.0060.03712.02
5.4.130.0050.03612.01
5.4.120.0050.03711.96
5.4.110.0100.04211.96
5.4.100.0090.04611.96
5.4.90.0120.04711.96
5.4.80.0080.04111.96
5.4.70.0030.04211.96
5.4.60.0090.03711.96
5.4.50.0060.03711.96
5.4.40.0050.03611.95
5.4.30.0060.03511.95
5.4.20.0040.03811.95
5.4.10.0060.03411.95
5.4.00.0050.03611.44
5.3.290.0050.03912.80
5.3.280.0050.03812.71
5.3.270.0080.03912.72
5.3.260.0090.03712.72
5.3.250.0060.03712.72
5.3.240.0060.03712.72
5.3.230.0080.04112.71
5.3.220.0060.03612.68
5.3.210.0060.03812.68
5.3.200.0060.03612.68
5.3.190.0040.03912.68
5.3.180.0050.03612.68
5.3.170.0080.03412.67
5.3.160.0060.04312.67
5.3.150.0070.03612.67
5.3.140.0080.03412.66
5.3.130.0070.03712.66
5.3.120.0070.03712.66
5.3.110.0060.03812.66
5.3.100.0030.03912.11
5.3.90.0070.04212.08
5.3.80.0060.03512.07
5.3.70.0090.03312.08
5.3.60.0100.03312.06
5.3.50.0040.04412.00
5.3.40.0080.03912.00
5.3.30.0060.03411.95
5.3.20.0060.03511.73
5.3.10.0060.03411.70
5.3.00.0060.03611.69
5.2.170.0060.0309.19
5.2.160.0030.0319.19
5.2.150.0060.0299.19
5.2.140.0040.0349.19
5.2.130.0040.0319.14
5.2.120.0070.0259.15
5.2.110.0040.0329.15
5.2.100.0060.0409.15
5.2.90.0030.0399.15
5.2.80.0040.0439.14
5.2.70.0080.0379.14
5.2.60.0060.0319.10
5.2.50.0020.0329.07
5.2.40.0060.0289.06
5.2.30.0050.0309.03
5.2.20.0040.0299.02
5.2.10.0050.0318.93
5.2.00.0020.0438.79
5.1.60.0050.0248.07
5.1.50.0040.0248.07
5.1.40.0070.0278.05
5.1.30.0020.0308.40
5.1.20.0050.0288.42
5.1.10.0030.0268.15
5.1.00.0030.0308.14
5.0.50.0040.0216.63
5.0.40.0050.0226.48
5.0.30.0040.0356.30
5.0.20.0060.0246.27
5.0.10.0030.0216.25
5.0.00.0010.0396.24
4.4.90.0040.0184.78
4.4.80.0030.0184.76
4.4.70.0040.0204.75
4.4.60.0020.0164.76
4.4.50.0010.0174.77
4.4.40.0060.0334.70
4.4.30.0040.0144.76
4.4.20.0010.0174.85
4.4.10.0040.0144.85
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0030.0144.64
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0050.0184.63
4.3.50.0040.0244.63
4.3.40.0010.0254.53
4.3.30.0010.0173.30
4.3.20.0040.0193.27
4.3.10.0030.0163.23
4.3.00.0100.01315.98

preferences:
44.98 ms | 401 KiB | 5 Q