3v4l.org

run code in 300+ PHP versions simultaneously
<?php $matches = array(); preg_match("/.+@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\\]))$/iD", 'look@domain.com', $matches); var_dump($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)
8.3.60.0040.01818.64
8.3.50.0150.00522.25
8.3.40.0040.01119.08
8.3.30.0120.00319.22
8.3.20.0040.00420.23
8.3.10.0090.00023.64
8.3.00.0060.00617.75
8.2.180.0040.01118.54
8.2.170.0070.01122.96
8.2.160.0100.01020.49
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00926.16
8.2.120.0040.00422.28
8.2.110.0060.00320.68
8.2.100.0000.01118.09
8.2.90.0080.00019.36
8.2.80.0030.00617.97
8.2.70.0060.00317.75
8.2.60.0080.00317.68
8.2.50.0030.00618.07
8.2.40.0090.00019.91
8.2.30.0000.00818.29
8.2.20.0080.00017.87
8.2.10.0030.00518.11
8.2.00.0040.00417.98
8.1.280.0150.00325.92
8.1.270.0040.00424.21
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.87
8.1.230.0060.00619.18
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0050.00317.38
8.1.180.0040.00418.10
8.1.170.0060.00318.76
8.1.160.0040.00422.09
8.1.150.0040.00419.02
8.1.140.0060.00317.79
8.1.130.0030.00318.17
8.1.120.0030.00517.74
8.1.110.0030.00617.76
8.1.100.0040.00417.71
8.1.90.0110.00017.64
8.1.80.0000.00817.80
8.1.70.0040.00417.71
8.1.60.0060.00317.75
8.1.50.0090.00017.76
8.1.40.0080.00017.72
8.1.30.0090.00017.77
8.1.20.0050.00317.78
8.1.10.0030.00617.72
8.1.00.0090.00018.35
8.0.300.0000.00818.77
8.0.290.0030.00617.00
8.0.280.0040.00418.51
8.0.270.0040.00417.24
8.0.260.0000.00717.36
8.0.250.0000.00717.22
8.0.240.0070.00017.18
8.0.230.0070.00017.21
8.0.220.0030.00517.23
8.0.210.0030.00317.07
8.0.200.0000.00817.20
8.0.190.0050.00317.18
8.0.180.0040.00417.05
8.0.170.0000.00817.23
8.0.160.0030.00617.00
8.0.150.0070.00016.97
8.0.140.0000.00816.94
8.0.130.0060.00013.51
8.0.120.0000.00817.16
8.0.110.0050.00317.10
8.0.100.0040.00417.13
8.0.90.0040.00417.07
8.0.80.0090.00617.13
8.0.70.0040.00417.24
8.0.60.0050.00317.18
8.0.50.0040.00417.07
8.0.30.0100.01217.39
8.0.20.0090.01017.45
8.0.10.0040.00417.19
8.0.00.0090.00917.11
7.4.330.0030.00315.36
7.4.320.0000.00617.00
7.4.300.0000.00616.96
7.4.290.0050.00316.91
7.4.280.0030.00616.85
7.4.270.0000.00816.94
7.4.260.0030.00516.77
7.4.250.0000.00916.88
7.4.240.0020.00516.83
7.4.230.0050.00216.86
7.4.220.0060.01217.00
7.4.210.0040.01116.92
7.4.200.0000.00716.68
7.4.160.0050.01116.51
7.4.150.0030.01517.40
7.4.140.0090.00917.86
7.4.130.0100.00816.67
7.4.120.0100.00716.70
7.4.110.0170.00716.82
7.4.100.0110.00716.77
7.4.90.0090.00916.71
7.4.80.0130.00619.39
7.4.70.0090.00916.85
7.4.60.0000.02016.71
7.4.50.0060.00316.70
7.4.40.0110.01116.71
7.4.30.0030.01316.49
7.4.00.0110.00414.98
7.3.330.0000.00613.32
7.3.320.0050.00013.25
7.3.310.0030.00316.48
7.3.300.0070.00016.43
7.3.290.0100.00716.43
7.3.280.0110.00916.40
7.3.270.0090.00917.40
7.3.260.0160.00316.56
7.3.250.0040.01416.74
7.3.240.0070.01416.84
7.3.230.0070.01016.75
7.3.210.0040.01316.71
7.3.200.0030.01619.39
7.3.190.0130.00916.62
7.3.180.0160.00616.35
7.3.170.0070.01316.63
7.3.160.0130.00416.42
7.2.330.0060.01116.69
7.2.320.0090.00916.67
7.2.310.0090.00916.61
7.2.300.0120.00616.77
7.2.290.0090.01416.75
7.1.70.0000.00817.37
7.1.60.0030.01319.32
7.1.50.0070.01717.30
7.1.00.0030.07722.49
7.0.200.0000.00817.04
7.0.140.0070.07022.38
7.0.60.0070.06020.07
7.0.50.0030.08318.05
7.0.40.0100.06720.26
7.0.30.0530.07020.09
7.0.20.0330.06720.24
7.0.10.0130.04020.24
7.0.00.0030.04320.36
5.6.280.0000.07720.80
5.6.210.0170.06720.69
5.6.200.0170.05018.18
5.6.190.0070.07320.50
5.6.180.0630.05720.34
5.6.170.0230.07320.53
5.6.160.0100.08020.53
5.6.150.0030.08718.23
5.6.140.0130.04718.12
5.6.130.0100.05018.21
5.6.120.0200.08020.92
5.6.110.0070.09021.00
5.6.100.0030.04321.13
5.6.90.0170.07321.02
5.6.80.0130.07020.34
5.5.350.0130.08020.41
5.5.340.0100.07717.98
5.5.330.0170.08020.42
5.5.320.0430.06720.34
5.5.310.0130.04320.14
5.5.300.0100.07718.02
5.5.290.0200.06717.91
5.5.280.0170.07320.76
5.5.270.0100.08320.65
5.5.260.0100.08320.76
5.5.250.0100.07020.58
5.5.240.0270.07320.12
5.4.450.0600.03019.57
5.4.440.0630.04019.26
5.4.430.0200.04719.15
5.4.420.0670.00019.35
5.4.410.0630.00019.39
5.4.400.0630.00018.98
5.4.390.0630.00019.02
5.4.380.0630.00018.94
5.4.370.0630.00019.01
5.4.360.0670.00019.08
5.4.350.0600.00019.16
5.4.340.0100.04311.99
5.4.320.0120.04612.47
5.4.310.0090.04912.47
5.4.300.0080.05012.48
5.4.290.0110.04712.47
5.4.280.0080.04312.37
5.4.270.0050.03712.37
5.4.260.0060.03812.37
5.4.250.0070.03612.36
5.4.240.0070.03612.37
5.4.230.0100.03512.36
5.4.220.0080.03612.36
5.4.210.0060.03512.36
5.4.200.0050.03812.36
5.4.190.0030.04012.36
5.4.180.0100.04112.35
5.4.170.0100.04812.36
5.4.160.0060.04912.36
5.4.150.0070.04912.36
5.4.140.0100.04512.04
5.4.130.0100.03212.02
5.4.120.0100.04011.99
5.4.110.0110.03311.98
5.4.100.0060.03611.98
5.4.90.0050.03811.98
5.4.80.0060.03711.98
5.4.70.0020.03911.98
5.4.60.0090.03211.98
5.4.50.0030.03911.97
5.4.40.0040.03611.96
5.4.30.0030.03811.96
5.4.20.0040.03711.96
5.4.10.0060.03411.96
5.4.00.0060.03611.45
5.3.290.0070.04612.80
5.3.280.0060.03812.71
5.3.270.0090.04012.72
5.3.260.0180.04112.72
5.3.250.0070.05212.72
5.3.240.0070.05312.72
5.3.230.0140.04412.71
5.3.220.0080.05012.68
5.3.210.0070.05312.68
5.3.200.0100.04712.68
5.3.190.0070.03812.68
5.3.180.0080.03412.67
5.3.170.0060.03712.67
5.3.160.0040.03912.67
5.3.150.0090.03612.67
5.3.140.0080.03512.66
5.3.130.0060.04212.66
5.3.120.0080.03812.66
5.3.110.0070.03912.66
5.3.100.0070.03912.12
5.3.90.0080.03612.09
5.3.80.0090.03612.09
5.3.70.0100.03712.08
5.3.60.0100.04412.07
5.3.50.0080.03712.01
5.3.40.0060.03612.02
5.3.30.0070.03411.98
5.3.20.0080.03311.76
5.3.10.0080.03411.72
5.3.00.0100.03911.71
5.2.170.0060.0329.21
5.2.160.0060.0329.21
5.2.150.0070.0299.21
5.2.140.0040.0369.20
5.2.130.0060.0319.16
5.2.120.0040.0359.17
5.2.110.0090.0349.17
5.2.100.0080.0359.17
5.2.90.0050.0329.17
5.2.80.0040.0329.16
5.2.70.0030.0319.17
5.2.60.0100.0299.12
5.2.50.0020.0339.09
5.2.40.0060.0309.07
5.2.30.0070.0289.04
5.2.20.0040.0309.09
5.2.10.0110.0239.00
5.2.00.0030.0318.86
5.1.60.0050.0248.16
5.1.50.0070.0268.15
5.1.40.0060.0258.13
5.1.30.0040.0278.48
5.1.20.0060.0258.50
5.1.10.0060.0268.23
5.1.00.0060.0258.23
5.0.50.0000.0256.70
5.0.40.0040.0196.56
5.0.30.0020.0326.38
5.0.20.0030.0206.34
5.0.10.0050.0186.32
5.0.00.0030.0316.31
4.4.90.0060.0124.78
4.4.80.0030.0154.76
4.4.70.0030.0154.76
4.4.60.0040.0144.76
4.4.50.0050.0134.77
4.4.40.0030.0254.71
4.4.30.0040.0144.75
4.4.20.0020.0174.84
4.4.10.0010.0184.85
4.4.00.0060.0224.76
4.3.110.0030.0154.66
4.3.100.0030.0154.66
4.3.90.0020.0164.63
4.3.80.0050.0224.61
4.3.70.0020.0154.63
4.3.60.0010.0174.63
4.3.50.0040.0154.63
4.3.40.0020.0254.57
4.3.30.0030.0153.38
4.3.20.0020.0173.35
4.3.10.0040.0143.28
4.3.00.0030.0139.89

preferences:
40.54 ms | 401 KiB | 5 Q