3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match("/(\w+).(\w+)?/", "a.a",$matches); print_r($matches); echo "\n"; preg_match("/(\w*).(\w+)/", "a.a",$matches); print_r($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)
8.3.60.0110.00816.75
8.3.50.0180.00822.05
8.3.40.0110.00419.00
8.3.30.0060.00919.02
8.3.20.0070.00020.33
8.3.10.0000.00823.54
8.3.00.0040.00419.68
8.2.180.0170.00316.75
8.2.170.0040.01122.96
8.2.160.0030.01020.39
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00021.01
8.2.110.0060.00321.14
8.2.100.0080.00617.72
8.2.90.0060.00618.03
8.2.80.0050.00318.09
8.2.70.0030.00517.80
8.2.60.0030.00617.80
8.2.50.0050.00518.10
8.2.40.0040.00420.45
8.2.30.0040.00418.05
8.2.20.0040.00417.77
8.2.10.0040.00417.98
8.2.00.0060.00317.74
8.1.280.0070.00725.92
8.1.270.0070.00723.94
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0030.00622.48
8.1.230.0080.00420.96
8.1.220.0080.00017.74
8.1.210.0000.00818.85
8.1.200.0030.00517.23
8.1.190.0000.00817.25
8.1.180.0060.00318.10
8.1.170.0080.00018.71
8.1.160.0000.00722.14
8.1.150.0000.00718.69
8.1.140.0040.00417.51
8.1.130.0000.00717.84
8.1.120.0000.00817.50
8.1.110.0040.00417.50
8.1.100.0040.00317.42
8.1.90.0040.00417.44
8.1.80.0000.00817.50
8.1.70.0070.00017.36
8.1.60.0040.00417.49
8.1.50.0000.00817.40
8.1.40.0060.00317.42
8.1.30.0040.00417.69
8.1.20.0000.00817.50
8.1.10.0060.00317.59
8.1.00.0040.00417.55
8.0.300.0000.00720.13
8.0.290.0070.00016.75
8.0.280.0000.00718.46
8.0.270.0030.00317.15
8.0.260.0000.00717.21
8.0.250.0040.00417.03
8.0.240.0000.00717.02
8.0.230.0000.00716.86
8.0.220.0000.00716.81
8.0.210.0000.00716.82
8.0.200.0030.00317.01
8.0.190.0050.00316.95
8.0.180.0030.00616.90
8.0.170.0040.00416.97
8.0.160.0040.00416.95
8.0.150.0050.00216.89
8.0.140.0040.00416.92
8.0.130.0000.00613.43
8.0.120.0000.00816.93
8.0.110.0000.00816.75
8.0.100.0000.00716.91
8.0.90.0040.00416.81
8.0.80.0040.01116.96
8.0.70.0000.00716.87
8.0.60.0070.00016.78
8.0.50.0040.00416.88
8.0.30.0120.00817.13
8.0.20.0110.01017.40
8.0.10.0030.00517.08
8.0.00.0090.01116.72
7.4.330.0000.00515.00
7.4.320.0030.00316.49
7.4.300.0000.00616.63
7.4.290.0050.00316.69
7.4.280.0030.00516.56
7.4.270.0000.00716.51
7.4.260.0060.00316.56
7.4.250.0050.00216.64
7.4.240.0000.00716.63
7.4.230.0030.00316.40
7.4.220.0070.01716.60
7.4.210.0100.01016.53
7.4.200.0070.00016.49
7.4.160.0040.01216.54
7.4.150.0120.01217.40
7.4.140.0130.00617.86
7.4.130.0080.01016.46
7.4.120.0130.00716.72
7.4.110.0080.00816.63
7.4.100.0160.00316.75
7.4.90.0030.01316.66
7.4.80.0160.00319.39
7.4.70.0130.00316.68
7.4.60.0140.00616.61
7.4.50.0030.00616.38
7.4.40.0090.00916.64
7.4.30.0140.00516.52
7.4.00.0030.01315.30
7.3.330.0030.00313.20
7.3.320.0050.00013.13
7.3.310.0070.00016.11
7.3.300.0060.00016.20
7.3.290.0060.00816.33
7.3.280.0090.00716.29
7.3.270.0090.00917.40
7.3.260.0120.00416.30
7.3.250.0140.00616.51
7.3.240.0030.01516.54
7.3.230.0120.00416.48
7.3.210.0070.01416.30
7.3.200.0130.00319.39
7.3.190.0100.00616.36
7.3.180.0030.01216.33
7.3.170.0090.00616.46
7.3.160.0030.01316.62
7.3.120.0030.00915.07
7.2.330.0030.01416.75
7.2.320.0100.00616.69
7.2.310.0130.00716.66
7.2.300.0130.00316.50
7.2.290.0110.00516.80
7.2.00.0070.01419.70
7.1.100.0040.00918.40
7.1.70.0030.00617.37
7.1.60.0030.02119.70
7.1.50.0100.01317.10
7.1.00.0030.07722.45
7.0.200.0020.00714.87
7.0.140.0000.07321.98
7.0.60.0000.06720.02
7.0.50.0070.05017.85
7.0.40.0100.05720.27
7.0.30.0270.07020.17
7.0.20.0200.05320.08
7.0.10.0070.08320.25
7.0.00.0100.05320.10
5.6.280.0030.07320.92
5.6.210.0030.08320.62
5.6.200.0130.08318.12
5.6.190.0100.07020.46
5.6.180.0330.06320.61
5.6.170.0270.04020.48
5.6.160.0100.05020.50
5.6.150.0130.07018.19
5.6.140.0100.06318.18
5.6.130.0130.07718.18
5.6.120.0100.07720.99
5.6.110.0030.04721.11
5.6.100.0030.08721.00
5.6.90.0070.09020.87
5.6.80.0030.06320.38
5.5.350.0070.03720.40
5.5.340.0130.07318.08
5.5.330.0030.09320.28
5.5.320.0400.07320.25
5.5.310.0430.06720.36
5.5.300.0100.06317.98
5.5.290.0030.04317.95
5.5.280.0100.08020.76
5.5.270.0070.05020.79
5.5.260.0030.08720.88
5.5.250.0030.07320.68
5.5.240.0070.07720.25
5.4.450.0300.04719.16
5.4.440.0630.04719.20
5.4.430.0330.04719.29
5.4.420.0600.04019.30
5.4.410.0200.05019.33
5.4.400.0330.03719.16
5.4.390.0530.04719.16
5.4.380.0030.06318.74
5.4.370.0130.05318.73
5.4.360.0100.06018.52
5.4.350.0170.05018.63
5.4.340.0130.05018.77
5.4.320.0080.03412.48
5.4.310.0060.04812.48
5.4.300.0070.03812.48
5.4.290.0110.03412.47
5.4.280.0040.03712.37
5.4.270.0070.04012.38
5.4.260.0040.04312.38
5.4.250.0040.04212.37
5.4.240.0070.04112.37
5.4.230.0070.04612.37
5.4.220.0090.03812.37
5.4.210.0080.04512.36
5.4.200.0060.05412.37
5.4.190.0100.04812.36
5.4.180.0040.04212.36
5.4.170.0100.03712.37
5.4.160.0060.03812.37
5.4.150.0050.04212.36
5.4.140.0030.04012.05
5.4.130.0080.03612.04
5.4.120.0090.03712.00
5.4.110.0060.04411.99
5.4.100.0080.04011.99
5.4.90.0040.03811.99
5.4.80.0040.04311.99
5.4.70.0080.04111.99
5.4.60.0050.03711.98
5.4.50.0080.04511.98
5.4.40.0060.04311.98
5.4.30.0060.03611.97
5.4.20.0070.04211.98
5.4.10.0070.03411.97
5.4.00.0050.03811.46
5.3.290.0090.04712.80
5.3.280.0090.03612.71
5.3.270.0080.04012.72
5.3.260.0080.04612.72
5.3.250.0080.03912.72
5.3.240.0050.03912.72
5.3.230.0080.04012.71
5.3.220.0090.03512.68
5.3.210.0050.05512.68
5.3.200.0060.03712.68
5.3.190.0070.04212.68
5.3.180.0110.03612.67
5.3.170.0080.03612.67
5.3.160.0050.04312.67
5.3.150.0050.04612.68
5.3.140.0110.03112.66
5.3.130.0050.03912.65
5.3.120.0070.04112.66
5.3.110.0090.03812.66
5.3.100.0090.03912.11
5.3.90.0070.04012.10
5.3.80.0070.03812.09
5.3.70.0070.03512.09
5.3.60.0060.04212.07
5.3.50.0090.03912.02
5.3.40.0080.04212.02
5.3.30.0040.03711.98
5.3.20.0070.03411.76
5.3.10.0050.03611.73
5.3.00.0070.03511.71
5.2.170.0040.0319.21
5.2.160.0070.0339.21
5.2.150.0040.0329.22
5.2.140.0070.0369.21
5.2.130.0080.0269.18
5.2.120.0070.0299.18
5.2.110.0080.0339.18
5.2.100.0060.0309.18
5.2.90.0040.0309.18
5.2.80.0060.0299.17
5.2.70.0050.0319.17
5.2.60.0050.0439.13
5.2.50.0060.0439.09
5.2.40.0060.0349.08
5.2.30.0060.0299.05
5.2.20.0010.0329.04
5.2.10.0040.0328.95
5.2.00.0050.0288.80
5.1.60.0050.0258.07
5.1.50.0050.0248.07
5.1.40.0020.0268.05
5.1.30.0030.0288.40
5.1.20.0050.0278.42
5.1.10.0050.0298.14
5.1.00.0060.0288.14
5.0.50.0080.0216.63
5.0.40.0030.0206.48
5.0.30.0060.0286.30
5.0.20.0030.0246.27
5.0.10.0030.0216.25
5.0.00.0010.0336.24
4.4.90.0030.0174.78
4.4.80.0010.0174.76
4.4.70.0020.0184.76
4.4.60.0030.0154.76
4.4.50.0040.0194.77
4.4.40.0030.0264.70
4.4.30.0010.0224.76
4.4.20.0050.0144.84
4.4.10.0070.0164.85
4.4.00.0050.0264.76
4.3.110.0050.0144.67
4.3.100.0010.0184.67
4.3.90.0020.0164.64
4.3.80.0020.0294.59
4.3.70.0030.0154.63
4.3.60.0060.0144.63
4.3.50.0020.0194.63
4.3.40.0050.0224.54
4.3.30.0040.0143.29
4.3.20.0040.0143.27
4.3.10.0020.0163.23
4.3.00.0000.01710.66

preferences:
36.45 ms | 401 KiB | 5 Q