3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match("/^(-?\w+)-?/", "about-us-office-",$matches); print_r($matches); echo "\n"; preg_match("%^(\w+)\-\w+?$%", "about-us",$matches); print_r($matches);

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)
8.3.60.0110.00418.27
8.3.50.0160.00421.11
8.3.40.0110.00318.61
8.3.30.0070.00719.04
8.3.20.0040.00420.41
8.3.10.0030.00521.90
8.3.00.0070.00019.14
8.2.180.0040.01118.25
8.2.170.0160.00322.96
8.2.160.0140.00320.44
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00421.30
8.2.110.0100.00020.29
8.2.100.0060.00619.70
8.2.90.0040.00417.75
8.2.80.0080.00018.91
8.2.70.0000.00817.93
8.2.60.0000.00917.93
8.2.50.0040.00418.10
8.2.40.0000.00819.23
8.2.30.0080.00019.24
8.2.20.0060.00317.70
8.2.10.0000.00717.84
8.2.00.0080.00017.72
8.1.280.0090.00625.92
8.1.270.0040.00418.88
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00719.01
8.1.230.0060.00620.97
8.1.220.0000.00818.69
8.1.210.0000.00818.77
8.1.200.0040.00417.39
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0050.00318.76
8.1.160.0000.00718.78
8.1.150.0000.00718.85
8.1.140.0060.00317.41
8.1.130.0030.00317.79
8.1.120.0030.00317.55
8.1.110.0050.00317.43
8.1.100.0000.00717.55
8.1.90.0020.00517.38
8.1.80.0030.00517.53
8.1.70.0030.00517.47
8.1.60.0040.00417.49
8.1.50.0040.00417.45
8.1.40.0040.00417.45
8.1.30.0000.00817.61
8.1.20.0040.00417.70
8.1.10.0000.00717.54
8.1.00.0040.00417.48
8.0.300.0060.00318.77
8.0.290.0070.00016.75
8.0.280.0030.00318.41
8.0.270.0030.00317.12
8.0.260.0060.00017.21
8.0.250.0030.00617.02
8.0.240.0000.00816.99
8.0.230.0000.00716.97
8.0.220.0000.00716.86
8.0.210.0040.00416.91
8.0.200.0000.00616.86
8.0.190.0000.00716.98
8.0.180.0070.00016.89
8.0.170.0050.00216.82
8.0.160.0070.00016.98
8.0.150.0030.00516.89
8.0.140.0030.00316.76
8.0.130.0060.00013.30
8.0.120.0040.00416.87
8.0.110.0070.00016.92
8.0.100.0000.00816.80
8.0.90.0050.00216.78
8.0.80.0110.01116.80
8.0.70.0070.00016.73
8.0.60.0050.00216.76
8.0.50.0040.00416.77
8.0.30.0130.00917.11
8.0.20.0090.01317.40
8.0.10.0000.00716.99
8.0.00.0100.00716.85
7.4.330.0000.00515.03
7.4.320.0030.00316.68
7.4.300.0030.00316.69
7.4.290.0030.00516.67
7.4.280.0000.00716.68
7.4.270.0030.00316.49
7.4.260.0060.00316.63
7.4.250.0020.00516.45
7.4.240.0040.00416.68
7.4.230.0070.00016.71
7.4.220.0070.01116.64
7.4.210.0030.01316.59
7.4.200.0030.00316.43
7.4.160.0090.00916.68
7.4.150.0040.01517.40
7.4.140.0130.00517.86
7.4.130.0130.00416.59
7.4.120.0120.00616.71
7.4.110.0240.02316.49
7.4.100.0100.01016.69
7.4.90.0100.00716.56
7.4.80.0150.00619.39
7.4.70.0090.00616.64
7.4.60.0080.00816.49
7.4.50.0040.00416.52
7.4.40.0070.01316.73
7.4.30.0100.00616.46
7.4.00.0030.01215.05
7.3.330.0030.00313.22
7.3.320.0000.00613.12
7.3.310.0000.00716.30
7.3.300.0000.00716.19
7.3.290.0090.00616.25
7.3.280.0110.00416.30
7.3.270.0110.01417.40
7.3.260.0090.00916.28
7.3.250.0070.00916.63
7.3.240.0130.00316.32
7.3.230.0100.00816.39
7.3.210.0140.00916.37
7.3.200.0060.01719.39
7.3.190.0070.01016.55
7.3.180.0030.01316.29
7.3.170.0060.01016.69
7.3.160.0090.00616.37
7.2.330.0090.00916.59
7.2.320.0130.00716.59
7.2.310.0100.01716.45
7.2.300.0090.00916.73
7.2.290.0140.00416.65
7.2.00.0060.00919.52
7.1.100.0030.00918.51
7.1.70.0000.01116.98
7.1.60.0090.01619.57
7.1.50.0070.01516.96
7.1.00.0030.07722.59
7.0.200.1750.00416.95
7.0.140.0000.05321.95
7.0.60.0070.08320.08
7.0.50.0130.06317.79
7.0.40.0000.04720.13
7.0.30.0600.06020.32
7.0.20.0200.04020.10
7.0.10.0100.05020.22
7.0.00.0070.07320.34
5.6.280.0030.07020.77
5.6.210.0170.06720.64
5.6.200.0070.03718.18
5.6.190.0070.09320.67
5.6.180.0200.06720.41
5.6.170.0500.05320.50
5.6.160.0030.04320.45
5.6.150.0030.08018.14
5.6.140.0130.07318.18
5.6.130.0030.08018.15
5.6.120.0130.03721.11
5.6.110.0070.03721.14
5.6.100.0070.03720.97
5.6.90.0100.06320.98
5.6.80.0030.04020.43
5.6.70.2100.03020.36
5.5.350.0130.08320.32
5.5.340.0070.08017.97
5.5.330.0030.04320.27
5.5.320.0330.07020.19
5.5.310.0070.05020.33
5.5.300.0070.05017.95
5.5.290.0100.07017.98
5.5.280.0000.07320.84
5.5.270.0130.07720.96
5.5.260.0130.08020.86
5.5.250.0100.07020.68
5.5.240.0070.08020.15
5.4.450.0730.05319.19
5.4.440.0770.05719.70
5.4.430.0100.05719.64
5.4.420.0070.06019.56
5.4.410.0130.05019.52
5.4.400.0130.05019.21
5.4.390.0100.05318.98
5.4.380.0200.05318.77
5.4.370.0270.04718.77
5.4.360.0230.04718.79
5.4.350.0300.04318.52
5.4.340.0300.04318.75
5.4.320.0230.05018.78
5.4.310.0200.05318.68
5.4.300.0200.05018.70
5.4.290.0170.05318.71
5.4.280.0200.05018.74
5.4.270.0170.05718.75
5.4.260.0200.05018.58
5.4.250.0130.06718.73
5.4.240.0270.07018.50
5.4.230.0200.05018.72
5.4.220.0070.06718.57
5.4.210.0200.05018.77
5.4.200.0230.04316.53
5.4.190.0330.03718.73
5.4.180.0100.06018.45
5.4.170.0200.05318.72
5.4.160.0070.06018.76
5.4.150.0130.06018.68
5.4.140.0170.05016.43
5.4.130.0170.04716.31
5.4.120.0130.05316.23
5.4.110.0200.04316.18
5.4.100.0200.05016.20
5.4.90.0100.05716.32
5.4.80.0070.06016.29
5.4.70.0130.05316.25
5.4.60.0100.05716.25
5.4.50.0330.04016.24
5.4.40.0200.05016.40
5.4.30.0330.05316.20
5.4.20.0400.05316.25
5.4.10.0170.05016.29
5.4.00.0070.06015.71
5.3.290.0330.04014.94
5.3.280.0230.05014.60
5.3.270.0270.05014.64
5.3.260.0300.04714.70
5.3.250.0270.04314.64
5.3.240.0200.05014.59
5.3.230.0230.04714.59
5.3.220.0170.05314.54
5.3.210.0130.05714.76
5.3.200.0200.05014.57
5.3.190.0230.05014.54
5.3.180.0170.05314.68
5.3.170.0170.05014.73
5.3.160.0230.04714.55
5.3.150.0230.05014.68
5.3.140.0170.05314.76
5.3.130.0270.04714.63
5.3.120.0200.06014.57
5.3.110.0200.05314.52
5.3.100.0300.04714.23
5.3.90.0270.05314.06
5.3.80.0230.04714.11
5.3.70.0200.05014.21
5.3.60.0230.04714.00
5.3.50.0300.04014.15
5.3.40.0370.03313.99
5.3.30.0230.04713.96
5.3.20.0170.05313.81
5.3.10.0200.04713.68
5.3.00.0070.06013.61
5.2.170.0130.04311.13
5.2.160.0170.03711.18
5.2.150.0230.03311.27
5.2.140.0230.03311.16
5.2.130.0100.04311.30
5.2.120.0130.04011.15
5.2.110.0130.04311.11
5.2.100.0170.03711.08
5.2.90.0130.06011.30
5.2.80.0130.05011.19
5.2.70.0100.05011.19
5.2.60.0170.03711.09
5.2.50.0070.05011.22
5.2.40.0030.05011.10
5.2.30.0170.04011.10
5.2.20.0200.03310.96
5.2.10.0170.03310.98
5.2.00.0200.03310.75
5.1.60.0130.03010.10
5.1.50.0100.0379.98
5.1.40.0170.02710.01
5.1.30.0030.04710.33
5.1.20.0170.03010.39
5.1.10.0100.03710.18
5.1.00.0170.03010.13
5.0.50.0170.0208.59
5.0.40.0170.0178.39
5.0.30.0130.0378.21
5.0.20.0070.0278.21
5.0.10.0130.0238.37
5.0.00.0070.0438.29
4.4.90.0070.0205.90
4.4.80.0030.0235.97
4.4.70.0100.0205.91
4.4.60.0070.0205.92
4.4.50.0070.0205.94
4.4.40.0070.0335.89
4.4.30.0100.0175.87
4.4.20.0070.0205.98
4.4.10.0100.0175.97
4.4.00.0030.0375.94
4.3.110.0030.0235.84
4.3.100.0070.0205.83
4.3.90.0070.0205.81
4.3.80.0070.0375.78
4.3.70.0100.0205.84
4.3.60.0070.0205.80
4.3.50.0100.0175.86
4.3.40.0100.0305.83
4.3.30.0070.0204.91
4.3.20.0070.0204.91
4.3.10.0030.0234.91
4.3.00.0100.0237.04

preferences:
67.67 ms | 401 KiB | 5 Q