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)
8.3.60.0070.00716.63
8.3.50.0100.00822.81
8.3.40.0120.00618.88
8.3.30.0070.00719.09
8.3.20.0070.00020.19
8.3.10.0060.00323.65
8.3.00.0080.00019.38
8.2.180.0090.00618.42
8.2.170.0110.00322.96
8.2.160.0070.00720.53
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0070.00021.15
8.2.110.0040.00422.24
8.2.100.0070.00417.72
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0050.00317.68
8.2.50.0030.00518.07
8.2.40.0040.00417.89
8.2.30.0000.00817.96
8.2.20.0070.00017.70
8.2.10.0000.00717.88
8.2.00.0040.00417.70
8.1.280.0070.00725.92
8.1.270.0000.00923.76
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00023.96
8.1.230.0070.00419.14
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0050.00318.62
8.1.160.0040.00422.02
8.1.150.0080.00018.81
8.1.140.0000.01017.44
8.1.130.0030.00317.79
8.1.120.0000.00717.39
8.1.110.0040.00417.53
8.1.100.0070.00017.41
8.1.90.0090.00017.48
8.1.80.0040.00417.35
8.1.70.0000.00717.42
8.1.60.0050.00317.61
8.1.50.0000.00817.53
8.1.40.0000.00717.52
8.1.30.0090.00017.70
8.1.20.0080.00017.61
8.1.10.0050.00317.63
8.1.00.0070.00017.43
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0070.00018.34
8.0.270.0030.00317.07
8.0.260.0060.00017.14
8.0.250.0000.00716.86
8.0.240.0030.00317.01
8.0.230.0070.00016.84
8.0.220.0030.00316.93
8.0.210.0000.00716.95
8.0.200.0070.00016.90
8.0.190.0040.00416.85
8.0.180.0070.00016.80
8.0.170.0030.00617.00
8.0.160.0000.00716.82
8.0.150.0040.00416.82
8.0.140.0040.00416.92
8.0.130.0070.00013.30
8.0.120.0080.00016.91
8.0.110.0000.00716.95
8.0.100.0040.00416.87
8.0.90.0040.00416.93
8.0.80.0120.00316.91
8.0.70.0090.00016.79
8.0.60.0020.00516.77
8.0.50.0040.00416.73
8.0.30.0080.01417.18
8.0.20.0120.00717.40
8.0.10.0000.00717.10
8.0.00.0050.01316.92
7.4.330.0030.00315.00
7.4.320.0000.00616.72
7.4.300.0030.00316.57
7.4.290.0070.00016.70
7.4.280.0050.00316.67
7.4.270.0030.00316.61
7.4.260.0040.00416.56
7.4.250.0040.00416.57
7.4.240.0020.00616.64
7.4.230.0000.00716.61
7.4.220.0000.01816.55
7.4.210.0120.00316.65
7.4.200.0000.00716.71
7.4.160.0040.01816.61
7.4.150.0140.00317.40
7.4.140.0150.00217.86
7.4.130.0080.01016.60
7.4.120.0090.00816.55
7.4.110.0100.00716.66
7.4.100.0130.00316.50
7.4.90.0100.00716.47
7.4.80.0090.01219.39
7.4.70.0000.01716.61
7.4.60.0120.01016.63
7.4.50.0040.00416.63
7.4.40.0080.00916.66
7.4.30.0100.00616.55
7.4.00.0040.01115.01
7.3.330.0000.00813.04
7.3.320.0050.00013.14
7.3.310.0000.00716.41
7.3.300.0000.00716.27
7.3.290.0090.00616.30
7.3.280.0100.00516.32
7.3.270.0070.01417.40
7.3.260.0090.00916.54
7.3.250.0080.00816.48
7.3.240.0110.01116.57
7.3.230.0130.00416.39
7.3.210.0090.01316.36
7.3.200.0110.00519.39
7.3.190.0130.00816.28
7.3.180.0130.00616.48
7.3.170.0080.00816.27
7.3.160.0040.01216.34
7.2.330.0120.00616.71
7.2.320.0130.01016.37
7.2.310.0100.00716.47
7.2.300.0100.00616.41
7.2.290.0060.01016.45
7.2.00.0030.00919.51
7.1.100.0000.01818.45
7.1.70.0110.00617.07
7.1.60.0100.01419.40
7.1.50.0030.01716.77
7.1.00.0000.08022.53
7.0.200.0080.00816.63
7.0.140.0000.08021.94
7.0.60.0070.08019.82
7.0.50.0030.06717.82
7.0.40.0030.04320.29
7.0.30.0230.06320.21
7.0.20.0200.05720.21
7.0.10.0030.07320.02
7.0.00.0130.08020.18
5.6.280.0000.07720.81
5.6.210.0070.08320.54
5.6.200.0100.05318.22
5.6.190.0000.04720.57
5.6.180.0330.07020.27
5.6.170.0230.08020.33
5.6.160.0030.04020.71
5.6.150.0100.08018.20
5.6.140.0100.07718.18
5.6.130.0070.07718.16
5.6.120.0100.08721.03
5.6.110.0030.08720.96
5.6.100.0030.08320.97
5.6.90.0130.07321.06
5.6.80.0000.04320.48
5.5.350.4000.03720.37
5.5.340.0000.04317.96
5.5.330.0070.08320.13
5.5.320.0400.04720.29
5.5.310.0330.07020.18
5.5.300.0130.08017.89
5.5.290.0030.04017.98
5.5.280.0070.04320.61
5.5.270.0100.08320.64
5.5.260.0170.08020.85
5.5.250.0100.06320.49
5.5.240.0170.07020.15
5.4.450.0030.03319.49
5.4.440.0770.05719.56
5.4.430.0100.04319.21
5.4.420.0330.05019.38
5.4.410.0330.04018.98
5.4.400.0700.03018.94
5.4.390.0500.04719.22
5.4.380.0270.06018.64
5.4.370.0430.05018.64
5.4.360.0470.06718.74
5.4.350.0330.05718.68
5.4.340.0270.05318.61
5.4.320.0080.03312.45
5.4.310.0050.03912.45
5.4.300.0070.03512.45
5.4.290.0060.03812.45
5.4.280.0080.03312.35
5.4.270.0070.03412.35
5.4.260.0050.03812.34
5.4.250.0060.03712.35
5.4.240.0010.04112.35
5.4.230.0070.03712.34
5.4.220.0050.03712.34
5.4.210.0050.04212.34
5.4.200.0060.03912.34
5.4.190.0050.03712.33
5.4.180.0040.03912.33
5.4.170.0030.03812.35
5.4.160.0060.03512.34
5.4.150.0050.03612.34
5.4.140.0020.04012.02
5.4.130.0060.03412.01
5.4.120.0050.03511.97
5.4.110.0030.03811.96
5.4.100.0060.03411.96
5.4.90.0060.03611.96
5.4.80.0080.03511.96
5.4.70.0060.04211.96
5.4.60.0050.03511.96
5.4.50.0060.03811.96
5.4.40.0060.03511.95
5.4.30.0060.03511.94
5.4.20.0020.03911.95
5.4.10.0040.03611.95
5.4.00.0040.03811.44
5.3.290.0070.03712.80
5.3.280.0050.03812.70
5.3.270.0060.03812.72
5.3.260.0040.04012.72
5.3.250.0070.03512.72
5.3.240.0030.04012.72
5.3.230.0060.03612.71
5.3.220.0040.04012.68
5.3.210.0050.04512.68
5.3.200.0070.03612.68
5.3.190.0060.03712.68
5.3.180.0050.03712.68
5.3.170.0020.04012.67
5.3.160.0050.03612.68
5.3.150.0050.03812.67
5.3.140.0050.03712.66
5.3.130.0070.03712.66
5.3.120.0040.04012.66
5.3.110.0080.03512.66
5.3.100.0040.03712.12
5.3.90.0050.03712.08
5.3.80.0080.03412.07
5.3.70.0050.04112.08
5.3.60.0060.03512.07
5.3.50.0020.03912.00
5.3.40.0070.03612.00
5.3.30.0060.03811.95
5.3.20.0050.03611.73
5.3.10.0060.03411.70
5.3.00.0060.03611.69
5.2.170.0060.0299.19
5.2.160.0050.0289.19
5.2.150.0040.0359.19
5.2.140.0040.0309.19
5.2.130.0050.0279.14
5.2.120.0070.0259.14
5.2.110.0020.0319.15
5.2.100.0060.0279.15
5.2.90.0070.0279.15
5.2.80.0040.0369.14
5.2.70.0050.0299.14
5.2.60.0030.0449.10
5.2.50.0060.0309.07
5.2.40.0050.0299.05
5.2.30.0040.0339.03
5.2.20.0040.0309.01
5.2.10.0030.0298.93
5.2.00.0030.0318.79
5.1.60.0030.0258.07
5.1.50.0060.0238.07
5.1.40.0060.0228.05
5.1.30.0060.0248.40
5.1.20.0050.0278.43
5.1.10.0060.0248.15
5.1.00.0050.0248.15
5.0.50.0040.0206.63
5.0.40.0030.0226.48
5.0.30.0030.0336.30
5.0.20.0060.0176.27
5.0.10.0040.0196.24
5.0.00.0040.0306.24
4.4.90.0030.0164.78
4.4.80.0040.0214.76
4.4.70.0050.0204.75
4.4.60.0030.0194.75
4.4.50.0050.0194.77
4.4.40.0060.0274.71
4.4.30.0030.0204.76
4.4.20.0040.0224.85
4.4.10.0030.0174.85
4.4.00.0030.0244.76
4.3.110.0010.0184.67
4.3.100.0020.0164.66
4.3.90.0010.0174.64
4.3.80.0020.0304.58
4.3.70.0020.0204.63
4.3.60.0030.0214.63
4.3.50.0050.0194.63
4.3.40.0030.0314.54
4.3.30.0000.0233.29
4.3.20.0020.0213.27
4.3.10.0030.0193.23
4.3.00.0030.02015.98

preferences:
66.66 ms | 401 KiB | 5 Q