3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = '/^(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){255,})(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){65,}@)(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22))(?:\\.(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\\]))$/iD'; preg_match($pattern);

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)
8.3.60.0060.01216.75
8.3.50.0150.00721.92
8.3.40.0120.00318.80
8.3.30.0120.00418.66
8.3.20.0080.00020.16
8.3.10.0060.00323.34
8.3.00.0080.00019.38
8.2.180.0120.00618.43
8.2.170.0170.00322.96
8.2.160.0090.00620.32
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0090.00017.63
8.2.120.0000.00826.35
8.2.110.0060.00320.53
8.2.100.0060.00617.91
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0000.00917.38
8.2.60.0080.00017.80
8.2.50.0050.00318.07
8.2.40.0040.00419.46
8.2.30.0000.00720.66
8.2.20.0030.00717.54
8.2.10.0040.00418.03
8.2.00.0040.00418.02
8.1.280.0140.00425.92
8.1.270.0030.00623.96
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00322.14
8.1.230.0040.00719.56
8.1.220.0080.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0030.00516.98
8.1.180.0050.00318.10
8.1.170.0040.00418.62
8.1.160.0080.00021.98
8.1.150.0040.00418.80
8.1.140.0000.00819.58
8.1.130.0000.00717.55
8.1.120.0000.00717.28
8.1.110.0030.00617.38
8.1.100.0040.00417.37
8.1.90.0070.00017.41
8.1.80.0030.00517.38
8.1.70.0040.00417.35
8.1.60.0000.00817.41
8.1.50.0080.00017.41
8.1.40.0030.00517.52
8.1.30.0030.00517.71
8.1.20.0040.00417.48
8.1.10.0050.00317.56
8.1.00.0030.00517.51
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00718.25
8.0.270.0000.00717.17
8.0.260.0030.00317.19
8.0.250.0000.00716.83
8.0.240.0060.00316.95
8.0.230.0030.00316.91
8.0.220.0000.00716.79
8.0.210.0040.00416.80
8.0.200.0030.00316.88
8.0.190.0040.00416.96
8.0.180.0070.00016.80
8.0.170.0040.00416.84
8.0.160.0030.00416.75
8.0.150.0050.00316.74
8.0.140.0050.00216.80
8.0.130.0050.00013.35
8.0.120.0080.00016.85
8.0.110.0070.00016.87
8.0.100.0000.00716.88
8.0.90.0040.00416.75
8.0.80.0110.00416.82
8.0.70.0000.00816.92
8.0.60.0020.00516.88
8.0.50.0000.00716.76
8.0.30.0050.01316.98
8.0.20.0070.01217.40
8.0.10.0040.00317.06
8.0.00.0080.01016.58
7.4.330.0050.00016.71
7.4.320.0060.00016.36
7.4.300.0000.00716.54
7.4.290.0030.00316.41
7.4.280.0090.00016.41
7.4.270.0030.00316.41
7.4.260.0060.00013.21
7.4.250.0040.00416.39
7.4.240.0020.00616.48
7.4.230.0030.00316.30
7.4.220.0130.01016.47
7.4.210.0030.01216.60
7.4.200.0000.00816.63
7.4.160.0130.00316.58
7.4.150.0150.00717.40
7.4.140.0130.01017.86
7.4.130.0070.01316.55
7.4.120.0110.00816.52
7.4.110.0060.01016.53
7.4.100.0120.01216.59
7.4.90.0100.00716.54
7.4.80.0200.00319.39
7.4.70.0100.00816.44
7.4.60.0100.00716.40
7.4.50.0030.01216.02
7.4.40.0160.00316.26
7.4.30.0140.00916.55
7.4.00.0070.01114.95
7.3.330.0000.00613.10
7.3.320.0000.00513.09
7.3.310.0040.00416.01
7.3.300.0030.00316.23
7.3.290.0110.00916.18
7.3.280.0090.00816.22
7.3.270.0150.00317.40
7.3.260.0130.00316.29
7.3.250.0110.00816.24
7.3.240.0060.01116.26
7.3.230.0060.00916.39
7.3.210.0070.01016.30
7.3.200.0110.00716.32
7.3.190.0060.01216.20
7.3.180.0070.01516.35
7.3.170.0090.00816.27
7.3.160.0140.00316.29
7.2.330.0140.00316.39
7.2.320.0120.00916.14
7.2.310.0130.00716.41
7.2.300.0090.01116.25
7.2.290.0140.00316.16
7.2.00.0040.00719.23
7.1.100.0080.00818.25
7.1.70.0000.00917.25
7.1.60.0030.02019.48
7.1.50.0100.01316.87
7.1.00.0070.07722.48
7.0.200.0260.00714.46
7.0.60.0200.07320.01
7.0.50.0070.07017.80
7.0.40.0070.08020.21
7.0.30.0400.06720.09
7.0.20.0270.08020.12
7.0.10.0070.08720.30
7.0.00.0100.08320.20
5.6.280.0070.03320.92
5.6.210.0070.08320.69
5.6.200.0000.05018.15
5.6.190.0100.08320.35
5.6.180.0270.03320.41
5.6.170.0230.07720.47
5.6.160.0130.07720.70
5.6.150.0030.07318.09
5.6.140.0100.03318.16
5.6.130.0130.04718.18
5.6.120.0130.06021.01
5.6.110.0000.04320.99
5.6.100.0070.09021.00
5.6.90.0130.08021.03
5.6.80.0000.04020.37
5.5.350.3170.03020.29
5.5.340.0000.04317.92
5.5.330.0100.07320.23
5.5.320.0100.07720.29
5.5.310.0200.04020.29
5.5.300.0030.08317.90
5.5.290.0030.04317.88
5.5.280.0100.05020.68
5.5.270.0070.04020.95
5.5.260.0070.06020.79
5.5.250.0130.07320.55
5.5.240.0130.04020.28

preferences:
52.77 ms | 401 KiB | 5 Q