3v4l.org

run code in 300+ PHP versions simultaneously
<?php $regex = '~ function #function keyword \s+ #any number of whitespaces (?P<function_name>.*?) #function name itself \s* #optional white spaces (?P<parameters>\(.*?\)) #function parameters \s* #optional white spaces (?P<body>\{.*?\}) #body of a function ~six'; if (preg_match_all($regex, 'print_r(abc,assdd)', $matches)) { print_r($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)
8.3.60.0140.00718.25
8.3.50.0090.01021.14
8.3.40.0110.01118.80
8.3.30.0000.01420.35
8.3.20.0050.00220.38
8.3.10.0000.00721.95
8.3.00.0080.00022.34
8.2.180.0110.01116.60
8.2.170.0180.00022.96
8.2.160.0140.00720.35
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0000.00726.16
8.2.120.0040.00420.79
8.2.110.0060.00319.24
8.2.100.0040.00817.84
8.2.90.0040.00419.13
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0030.00617.80
8.2.50.0040.00418.07
8.2.40.0060.00318.14
8.2.30.0040.00419.35
8.2.20.0020.00517.66
8.2.10.0050.00317.90
8.2.00.0040.00717.89
8.1.280.0130.00725.92
8.1.270.0090.00023.99
8.1.260.0050.00326.35
8.1.250.0020.00528.09
8.1.240.0090.00022.42
8.1.230.0130.00020.98
8.1.220.0090.00018.77
8.1.210.0030.00620.88
8.1.200.0100.00017.35
8.1.190.0080.00017.39
8.1.180.0050.00318.10
8.1.170.0050.00318.71
8.1.160.0040.00418.92
8.1.150.0000.00718.66
8.1.140.0090.00017.56
8.1.130.0030.00317.91
8.1.120.0040.00417.59
8.1.110.0040.00417.59
8.1.100.0070.00017.54
8.1.90.0000.00817.52
8.1.80.0020.00517.46
8.1.70.0030.00317.43
8.1.60.0030.00917.53
8.1.50.0050.00317.50
8.1.40.0070.00017.64
8.1.30.0050.00217.72
8.1.20.0030.00617.60
8.1.10.0040.00417.68
8.1.00.0000.00817.52
8.0.300.0030.00619.77
8.0.290.0050.00217.05
8.0.280.0070.00018.46
8.0.270.0000.00717.09
8.0.260.0000.00716.88
8.0.250.0030.00317.06
8.0.240.0000.01216.93
8.0.230.0040.00417.04
8.0.220.0070.00016.95
8.0.210.0070.00016.89
8.0.200.0070.00017.05
8.0.190.0080.00017.09
8.0.180.0030.00616.88
8.0.170.0030.00516.95
8.0.160.0040.00416.91
8.0.150.0030.00317.05
8.0.140.0040.00416.95
8.0.130.0050.00013.47
8.0.120.0050.00316.88
8.0.110.0000.00716.96
8.0.100.0070.00017.00
8.0.90.0000.00716.95
8.0.80.0120.00916.90
8.0.70.0050.00317.04
8.0.60.0050.00216.81
8.0.50.0070.00017.05
8.0.30.0110.00817.29
8.0.20.0160.00717.40
8.0.10.0040.00417.15
8.0.00.0090.01216.78
7.4.330.0030.00315.03
7.4.320.0060.00316.64
7.4.300.0030.00316.64
7.4.290.0070.00016.75
7.4.280.0030.00316.72
7.4.270.0030.00316.59
7.4.260.0000.00613.44
7.4.250.0000.00816.64
7.4.240.0020.00516.77
7.4.230.0000.00716.57
7.4.220.0120.00916.68
7.4.210.0090.00616.73
7.4.200.0000.00716.57
7.4.190.0030.00316.48
7.4.160.0090.00916.55
7.4.150.0120.00617.40
7.4.140.0120.00917.86
7.4.130.0070.01116.60
7.4.120.0100.00716.64
7.4.110.0100.00716.42
7.4.100.0060.01216.63
7.4.90.0100.01416.70
7.4.80.0100.00919.39
7.4.70.0130.00316.55
7.4.60.0120.00316.79
7.4.50.0000.00816.40
7.4.40.0070.01122.77
7.4.30.0130.00616.60
7.4.00.0060.00915.21
7.3.330.0030.00213.03
7.3.320.0050.00013.14
7.3.310.0040.00416.32
7.3.300.0040.00416.20
7.3.290.0130.00316.28
7.3.280.0080.00716.32
7.3.270.0140.00417.40
7.3.260.0040.01316.56
7.3.250.0100.00816.46
7.3.240.0100.01016.45
7.3.230.0100.00616.71
7.3.210.0030.01416.59
7.3.200.0160.00319.39
7.3.190.0060.01216.37
7.3.180.0090.01216.57
7.3.170.0110.00516.55
7.3.160.0090.00916.28
7.3.120.0140.00414.98
7.3.10.0030.00916.90
7.3.00.0000.01116.67
7.2.330.0100.01016.54
7.2.320.0110.00616.60
7.2.310.0090.00816.70
7.2.300.0030.01316.82
7.2.290.0080.00916.57
7.2.130.0120.00016.90
7.2.120.0080.00416.58
7.2.110.0090.00317.09
7.2.100.0080.01316.82
7.2.90.0080.00317.00
7.2.80.0070.01016.61
7.2.70.0070.00716.95
7.2.60.0000.01016.66
7.2.50.0030.01316.64
7.2.40.0030.00916.98
7.2.30.0090.00316.90
7.2.20.0070.00716.94
7.2.10.0030.00917.04
7.2.00.0050.00818.04
7.1.250.0050.00515.53
7.1.100.0030.01318.09
7.1.70.0060.00317.25
7.1.60.0040.00817.52
7.1.50.0040.01817.03
7.1.00.0030.05722.42
7.0.200.0000.01516.81
7.0.140.0100.06721.99
7.0.100.0000.04720.17
7.0.90.0100.08319.93
7.0.80.0230.07719.94
7.0.70.0030.07019.84
7.0.60.0070.07719.86
7.0.50.0270.07320.44
7.0.40.0170.07019.99
7.0.30.0070.07720.12
7.0.20.0070.06020.10
7.0.10.0070.06020.03
7.0.00.0070.05020.03
5.6.280.0000.07721.02
5.6.250.0130.04020.78
5.6.240.0070.08020.60
5.6.230.0070.06020.72
5.6.220.0000.08720.50
5.6.210.0070.04720.56
5.6.200.0030.05021.14
5.6.190.0070.04321.04
5.6.180.0030.05021.07
5.6.170.0070.07321.04
5.6.160.0030.05021.01
5.6.150.0070.07721.01
5.6.140.0100.07021.04
5.6.130.0170.08321.01
5.6.120.0070.04321.04
5.6.110.0070.04320.94
5.6.100.0130.08021.03
5.6.90.0170.07720.93
5.6.80.0030.04320.51
5.6.70.0100.08020.40
5.6.60.0030.04320.38
5.6.50.0100.08020.44
5.6.40.0170.06720.38
5.6.30.0030.04320.37
5.6.20.0170.06020.30
5.6.10.0130.07320.29
5.6.00.0130.07020.39
5.5.380.0070.08020.45
5.5.370.0170.07720.50
5.5.360.0070.07320.40
5.5.350.0030.05320.47
5.5.340.0030.04320.80
5.5.330.0070.07320.92
5.5.320.0130.07020.75
5.5.310.0100.04020.77
5.5.300.0070.07320.89
5.5.290.0130.04020.85
5.5.280.0070.06020.91
5.5.270.0170.06720.89
5.5.260.0130.03320.86
5.5.250.0100.08020.70
5.5.240.0030.04720.09
5.5.230.0200.03720.22
5.5.220.0100.05020.14
5.5.210.0100.07020.20
5.5.200.0030.04320.17
5.5.190.0070.04320.26
5.5.180.0130.06720.07
5.5.160.0070.04020.23
5.5.150.0130.05020.12
5.5.140.0070.06720.14
5.5.130.0070.04020.20
5.5.120.0170.07320.25
5.5.110.0070.07020.16
5.5.100.0170.06720.16
5.5.90.0030.07320.06
5.5.80.0100.05720.04
5.5.70.0100.03720.05
5.5.60.0130.05019.96
5.5.50.0030.07320.11
5.5.40.0000.04320.15
5.5.30.0100.04320.09
5.5.20.0100.03720.10
5.5.10.0170.06320.03
5.5.00.0000.04320.07
5.4.450.0030.04319.27
5.4.440.0030.04719.44
5.4.430.0070.04319.44
5.4.420.0130.07019.46
5.4.410.0000.06019.34
5.4.400.0070.04719.06
5.4.390.0130.04018.98
5.4.380.0070.06319.09
5.4.370.0200.03018.81
5.4.360.0130.06718.90
5.4.350.0130.07019.07
5.4.340.0070.04719.12
5.4.320.0070.04018.81
5.4.310.0030.04318.97
5.4.300.0070.07018.78
5.4.290.0070.07719.09
5.4.280.0070.07319.14
5.4.270.0070.07718.78
5.4.260.0100.07019.14
5.4.250.0000.04319.14
5.4.240.0030.07019.05
5.4.230.0070.04019.11
5.4.220.0100.07318.80
5.4.210.0100.03719.04
5.4.200.0070.03719.22
5.4.190.0070.03719.21
5.4.180.0100.03718.97
5.4.170.0000.03318.80
5.4.160.0000.03718.93
5.4.150.0070.03018.92
5.4.140.0000.03316.39
5.4.130.0030.03016.33
5.4.120.0070.02716.38
5.4.110.0070.03016.49
5.4.100.0000.04016.50
5.4.90.0070.03316.41
5.4.80.0100.02316.31
5.4.70.0130.02716.41
5.4.60.0000.04016.18
5.4.50.0070.03016.18
5.4.40.0030.03716.33
5.4.30.0030.04316.22
5.4.20.0070.03316.18
5.4.10.0030.03316.20
5.4.00.0070.03315.71
5.3.290.0000.04314.52
5.3.280.0100.04714.45
5.3.270.0030.04314.56
5.3.260.0030.03714.54
5.3.250.0130.03014.60
5.3.240.0030.03714.46
5.3.230.0000.03314.46
5.3.220.0030.03714.43
5.3.210.0030.03314.40
5.3.200.0030.03014.51
5.3.190.0070.03314.54
5.3.180.0000.04314.52
5.3.170.0000.04014.57
5.3.160.0030.03714.55
5.3.150.0200.03014.43
5.3.140.0030.03714.41
5.3.130.0070.03714.40
5.3.120.0000.04314.55
5.3.110.0030.04014.50
5.3.100.0030.03713.89
5.3.90.0070.03314.02
5.3.80.0070.03313.92
5.3.70.0070.03313.88
5.3.60.0100.02713.91
5.3.50.0070.03313.70
5.3.40.0030.03713.92
5.3.30.0030.03013.87
5.3.20.0030.03313.64
5.3.10.0030.03313.63
5.3.00.0030.04013.63
5.2.170.0070.02711.16
5.2.160.0000.03011.12
5.2.150.0000.03310.99
5.2.140.0000.03011.14
5.2.130.0030.02711.02
5.2.120.0070.02310.93
5.2.110.0000.02711.05
5.2.100.0000.03011.16
5.2.90.0030.02711.02
5.2.80.0000.02711.13
5.2.70.0030.03011.14
5.2.60.0030.03310.84
5.2.50.0000.03011.02
5.2.40.0030.02311.05
5.2.30.0100.01710.99
5.2.20.0000.03010.79
5.2.10.0030.02310.91
5.2.00.0000.02310.79
5.1.60.0000.0209.87
5.1.50.0000.03010.03
5.1.40.0030.02010.00
5.1.30.0000.02310.34
5.1.20.0000.02310.39
5.1.10.0030.02310.07
5.1.00.0070.0209.90
5.0.50.0000.0208.57
5.0.40.0000.0178.57
5.0.30.0030.0238.57
5.0.20.0030.0138.57
5.0.10.0000.0208.57
5.0.00.0000.0438.57
4.4.90.0030.0138.57
4.4.80.0000.0138.57
4.4.70.0030.0138.57
4.4.60.0000.0138.57
4.4.50.0070.0078.57
4.4.40.0030.0278.57
4.4.30.0030.0108.57
4.4.20.0000.0138.57
4.4.10.0000.0138.57
4.4.00.0000.0278.57
4.3.110.0030.0108.57
4.3.100.0030.0138.57
4.3.90.0000.0138.57
4.3.80.0070.0438.57
4.3.70.0000.0138.57
4.3.60.0000.0338.57
4.3.50.0000.0308.57
4.3.40.0030.0408.57
4.3.30.0030.0378.57
4.3.20.0000.0338.57
4.3.10.0030.0238.57
4.3.00.0000.0208.57

preferences:
47.62 ms | 401 KiB | 5 Q