3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/(?<=^| |,|\(|\))(\d+(?:px|pt|em|%|ex|cm|mm|in|pc)) ((?1)) (?1) \2(?=$| |,|\(|\))/', '15px 5px 10px 5px'));

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)
8.3.40.0110.00418.71
8.3.30.0030.01218.96
8.3.20.0060.00320.13
8.3.10.0030.00723.66
8.3.00.0000.00720.93
8.2.170.0110.00422.96
8.2.160.0030.01020.16
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0050.00220.57
8.2.110.0030.00619.27
8.2.100.0070.00717.72
8.2.90.0040.00418.95
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0000.00817.91
8.2.50.0080.00018.07
8.2.40.0080.00020.01
8.2.30.0040.00418.07
8.2.20.0040.00417.60
8.2.10.0040.00417.96
8.2.00.0040.00417.78
8.1.270.0000.00822.06
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00722.24
8.1.230.0070.00318.86
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0060.00317.35
8.1.190.0000.00817.23
8.1.180.0030.00619.01
8.1.170.0050.00318.64
8.1.160.0070.00021.99
8.1.150.0020.00518.68
8.1.140.0040.00417.48
8.1.130.0030.00317.68
8.1.120.0040.00417.38
8.1.110.0040.00717.32
8.1.100.0040.00417.53
8.1.90.0020.00517.51
8.1.80.0040.00417.48
8.1.70.0000.00717.42
8.1.60.0090.00017.59
8.1.50.0040.00417.52
8.1.40.0080.00017.58
8.1.30.0000.00817.75
8.1.20.0030.00517.59
8.1.10.0030.00517.54
8.1.00.0060.00317.42
8.0.300.0030.00720.08
8.0.290.0070.00016.63
8.0.280.0000.00718.23
8.0.270.0000.00717.07
8.0.260.0030.00317.07
8.0.250.0030.00316.93
8.0.240.0000.00816.91
8.0.230.0030.00317.05
8.0.220.0000.00716.95
8.0.210.0030.00316.82
8.0.200.0040.00416.91
8.0.190.0000.00717.01
8.0.180.0050.00316.93
8.0.170.0080.00016.84
8.0.160.0070.00016.89
8.0.150.0040.00416.78
8.0.140.0030.00516.79
8.0.130.0000.00913.34
8.0.120.0040.00416.82
8.0.110.0070.00016.89
8.0.100.0000.00816.88
8.0.90.0040.00416.85
8.0.80.0060.00916.90
8.0.70.0000.00816.80
8.0.60.0000.00716.87
8.0.50.0080.00016.95
8.0.30.0130.00617.11
8.0.20.0090.00917.40
8.0.10.0030.00516.96
8.0.00.0030.01416.82
7.4.330.0060.00015.00
7.4.320.0030.00316.49
7.4.300.0030.00316.61
7.4.290.0030.00516.68
7.4.280.0040.00416.71
7.4.270.0030.00316.68
7.4.260.0000.00716.48
7.4.250.0000.00716.68
7.4.240.0060.00216.62
7.4.230.0070.00016.72
7.4.220.0180.00716.78
7.4.210.0040.01316.71
7.4.200.0030.00316.88
7.4.190.0030.00516.70
7.4.160.0110.00516.52
7.4.150.0000.01817.40
7.4.140.0060.01317.86
7.4.130.0110.00616.70
7.4.120.0120.00616.63
7.4.110.0100.00616.60
7.4.100.0030.01416.47
7.4.90.0110.00816.62
7.4.80.0040.01419.39
7.4.70.0070.01016.49
7.4.60.0150.00616.51
7.4.50.0040.00016.46
7.4.40.0100.00716.40
7.4.30.0110.00516.58
7.4.00.0030.01114.88
7.3.330.0000.00513.09
7.3.320.0000.00513.00
7.3.310.0070.00016.24
7.3.300.0000.00716.30
7.3.290.0070.00716.34
7.3.280.0070.00916.30
7.3.270.0140.00317.40
7.3.260.0130.01016.55
7.3.250.0090.00916.49
7.3.240.0140.00416.46
7.3.230.0070.01016.39
7.3.210.0100.00716.34
7.3.200.0130.00419.39
7.3.190.0060.01216.49
7.3.180.0080.00816.27
7.3.170.0100.00716.37
7.3.160.0070.01016.65
7.3.120.0060.01015.04
7.2.330.0100.00716.47
7.2.320.0100.00616.71
7.2.310.0030.01316.62
7.2.300.0110.00716.53
7.2.290.0090.01116.50
7.2.00.0000.01219.35
7.1.100.0220.00417.94
7.1.70.0000.00717.23
7.1.60.0160.00619.46
7.1.50.0070.01416.70
7.1.00.0000.08022.45
7.0.200.0000.00716.93
7.0.140.0070.07021.92
7.0.70.0100.08319.92
7.0.60.0100.05719.96
7.0.50.0200.07320.31
7.0.40.0030.09320.07
7.0.30.0170.07320.03
7.0.20.0070.05720.13
7.0.10.0030.09320.13
7.0.00.0070.08720.07
5.6.280.0070.07021.06
5.6.220.0070.08320.67
5.6.210.0100.08320.66
5.6.200.0170.07321.05
5.6.190.0070.08321.03
5.6.180.0000.05021.03
5.6.170.0170.07021.16
5.6.160.0000.08721.07
5.6.150.0230.06321.11
5.6.140.0100.08721.07
5.6.130.0030.09321.02
5.6.120.0100.07720.94
5.6.110.0030.06020.99
5.6.100.0030.08020.94
5.6.90.0130.08021.11
5.6.80.0100.08020.49
5.6.70.0000.07720.43
5.6.60.0030.06320.32
5.6.50.0100.05320.39
5.6.40.0030.06020.38
5.6.30.0130.07720.36
5.6.20.0230.06020.41
5.6.10.0070.07720.36
5.6.00.0030.08020.27
5.5.360.0100.07720.44
5.5.350.0030.07320.38
5.5.340.0100.08320.91
5.5.330.0130.07720.91
5.5.320.0070.05320.85
5.5.310.0030.05320.84
5.5.300.0170.05020.91
5.5.290.0130.05320.88
5.5.280.0130.08020.75
5.5.270.0230.07320.74
5.5.260.0070.07320.87
5.5.250.0130.07320.61
5.5.240.0070.06720.18
5.5.230.0000.08320.20
5.5.220.0170.07020.13
5.5.210.0070.07720.14
5.5.200.0070.08320.23
5.5.190.0170.07020.12
5.5.180.0170.07020.11
5.5.160.0070.06720.20
5.5.150.0100.03320.26
5.5.140.0070.07320.16
5.5.130.0130.06720.14
5.5.120.0170.07320.10
5.5.110.0000.06720.11
5.5.100.0100.07720.04
5.5.90.0130.07319.96
5.5.80.0130.05320.12
5.5.70.0070.08020.05
5.5.60.0000.08019.95
5.5.50.0030.08320.07
5.5.40.0200.06720.13
5.5.30.0170.06319.98
5.5.20.0000.06020.12
5.5.10.0170.06719.97
5.5.00.0130.03320.09
5.4.450.0000.09019.27
5.4.440.0130.07319.42
5.4.430.0230.06719.39
5.4.420.0100.07719.11
5.4.410.0100.07319.09
5.4.400.0100.07719.06
5.4.390.0030.08019.20
5.4.380.0170.06718.82
5.4.370.0070.05719.06
5.4.360.0170.05319.03
5.4.350.0130.05319.12
5.4.340.0070.05019.03
5.4.320.0100.04318.90
5.4.310.0000.05019.12
5.4.300.0070.07719.05
5.4.290.0000.08318.81
5.4.280.0100.07718.96
5.4.270.0030.05319.12
5.4.260.0070.07718.99
5.4.250.0130.04719.09
5.4.240.0070.08318.95
5.4.230.0030.07718.89
5.4.220.0100.05319.14
5.4.210.0130.06719.02
5.4.200.0100.04719.05
5.4.190.0100.06719.05
5.4.180.0070.07718.96
5.4.170.0170.07319.02
5.4.160.0070.06018.96
5.4.150.0070.08018.88
5.4.140.0130.04316.37
5.4.130.0100.07316.32
5.4.120.0030.05316.06
5.4.110.0070.07716.31
5.4.100.0030.04716.40
5.4.90.0100.06316.26
5.4.80.0030.08016.33
5.4.70.0070.07016.20
5.4.60.0070.07716.38
5.4.50.0130.06316.30
5.4.40.0070.05716.38
5.4.30.0100.07316.23
5.4.20.0030.05016.30
5.4.10.0130.06316.17
5.4.00.0170.06715.81
5.3.290.0100.07314.65
5.3.280.0130.05014.57
5.3.270.0100.07014.46
5.3.260.0130.07014.59
5.3.250.0070.08014.58
5.3.240.0000.05314.42
5.3.230.0030.05714.45
5.3.220.0100.07314.52
5.3.210.0130.07014.57
5.3.200.0030.07014.54
5.3.190.0130.07314.41
5.3.180.0070.08014.53
5.3.170.0130.06714.55
5.3.160.0000.06314.51
5.3.150.0100.07714.55
5.3.140.0030.07714.51
5.3.130.0030.07014.50
5.3.120.0030.04714.40
5.3.110.0100.07314.40
5.3.100.0100.06014.02
5.3.90.0100.07014.00
5.3.80.0100.06013.96
5.3.70.0200.06314.01
5.3.60.0230.06013.93
5.3.50.0070.07713.88
5.3.40.0130.07013.82
5.3.30.0030.06313.68
5.3.20.0000.07713.69
5.3.10.0030.08013.61
5.3.00.0030.07713.55
5.2.170.0070.04711.38
5.2.160.0100.05711.38
5.2.150.0070.06711.38
5.2.140.0030.06711.38
5.2.130.0100.05711.38
5.2.120.0000.06311.38
5.2.110.0030.05711.38
5.2.100.0130.05011.38
5.2.90.0100.05711.38
5.2.80.0130.03711.38
5.2.70.0070.06311.38
5.2.60.0100.04311.38
5.2.50.0100.06011.38
5.2.40.0170.05011.38
5.2.30.0070.05711.38
5.2.20.0000.06711.38
5.2.10.0100.06011.38
5.2.00.0030.05011.38
5.1.60.0030.03311.38
5.1.50.0100.05011.38
5.1.40.0070.05311.38
5.1.30.0130.05011.38
5.1.20.0070.05311.38
5.1.10.0130.04011.38
5.1.00.0070.03711.38
5.0.50.0070.04311.38
5.0.40.0000.04711.38
5.0.30.0000.07011.38
5.0.20.0100.03711.38
5.0.10.0030.04311.38
5.0.00.0000.07011.38
4.4.90.0000.04011.38
4.4.80.0030.03711.38
4.4.70.0070.03311.38
4.4.60.0030.03311.38
4.4.50.0000.03311.38
4.4.40.0030.04311.38
4.4.30.0000.04011.38
4.4.20.0000.03711.38
4.4.10.0100.02311.38
4.4.00.0030.05311.38
4.3.110.0100.03011.38
4.3.100.0100.02711.38
4.3.90.0100.03011.38
4.3.80.0070.03311.38
4.3.70.0000.01711.38
4.3.60.0070.03311.38
4.3.50.0030.03011.38
4.3.40.0030.05011.38
4.3.30.0000.03311.38
4.3.20.0030.03311.38
4.3.10.0030.03011.38
4.3.00.0070.02311.38

preferences:
46.41 ms | 400 KiB | 5 Q