3v4l.org

run code in 300+ PHP versions simultaneously
<?php $matches = array(); preg_match("/.+@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\\]))$/", '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)
8.3.60.0130.00318.80
8.3.50.0120.00722.19
8.3.40.0120.00619.14
8.3.30.0040.01119.26
8.3.20.0050.00320.47
8.3.10.0050.00323.59
8.3.00.0070.00419.50
8.2.180.0110.00816.73
8.2.170.0110.00422.96
8.2.160.0130.00318.86
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00926.16
8.2.120.0000.00922.54
8.2.110.0100.00020.63
8.2.100.0120.00018.22
8.2.90.0000.00819.39
8.2.80.0030.00617.97
8.2.70.0040.00417.88
8.2.60.0060.00317.68
8.2.50.0040.00418.07
8.2.40.0080.00019.95
8.2.30.0040.00418.12
8.2.20.0050.00317.87
8.2.10.0000.00818.09
8.2.00.0040.00418.03
8.1.280.0110.00725.92
8.1.270.0080.00024.21
8.1.260.0050.00326.35
8.1.250.0050.00228.09
8.1.240.0100.00024.14
8.1.230.0060.00619.21
8.1.220.0080.00017.90
8.1.210.0030.00518.77
8.1.200.0040.00417.48
8.1.190.0050.00317.47
8.1.180.0040.00418.10
8.1.170.0030.00518.71
8.1.160.0000.00722.23
8.1.150.0020.00519.17
8.1.140.0050.00317.70
8.1.130.0000.00818.04
8.1.120.0040.00417.76
8.1.110.0040.00417.61
8.1.100.0040.00417.75
8.1.90.0090.00317.73
8.1.80.0070.00017.75
8.1.70.0040.00417.66
8.1.60.0070.00417.89
8.1.50.0080.00017.63
8.1.40.0030.00617.80
8.1.30.0050.00317.89
8.1.20.0060.00317.79
8.1.10.0000.00817.73
8.1.00.0000.00918.40
8.0.300.0040.00418.77
8.0.290.0000.00817.00
8.0.280.0030.00318.60
8.0.270.0040.00417.29
8.0.260.0030.00317.44
8.0.250.0000.00717.23
8.0.240.0000.00717.14
8.0.230.0040.00417.19
8.0.220.0070.00017.10
8.0.210.0030.00317.04
8.0.200.0000.00717.03
8.0.190.0000.00817.09
8.0.180.0040.00417.19
8.0.170.0080.00017.15
8.0.160.0040.00417.15
8.0.150.0050.00316.96
8.0.140.0020.00517.00
8.0.130.0000.00713.55
8.0.120.0080.00017.11
8.0.110.0030.00517.10
8.0.100.0030.00517.18
8.0.90.0000.00717.16
8.0.80.0120.00917.24
8.0.70.0040.00417.20
8.0.60.0030.00517.19
8.0.50.0040.00417.02
8.0.30.0170.00817.40
8.0.20.0130.00917.43
8.0.10.0000.00717.19
8.0.00.0090.00817.06
7.4.330.0000.00615.17
7.4.320.0000.00616.97
7.4.300.0000.00616.93
7.4.290.0030.00516.98
7.4.280.0000.00816.95
7.4.270.0030.00316.88
7.4.260.0040.00416.86
7.4.250.0000.01016.93
7.4.240.0020.00616.92
7.4.230.0000.00816.85
7.4.220.0130.00616.81
7.4.210.0110.00317.03
7.4.200.0070.00017.03
7.4.160.0070.01016.81
7.4.150.0110.00717.40
7.4.140.0050.01217.86
7.4.130.0090.00816.85
7.4.120.0050.01216.75
7.4.110.0130.00916.74
7.4.100.0070.01116.83
7.4.90.0110.00616.68
7.4.80.0080.01119.39
7.4.70.0120.00616.68
7.4.60.0100.00616.61
7.4.50.0030.00516.73
7.4.40.0030.01916.82
7.4.30.0100.00716.69
7.4.00.0090.00615.36
7.3.330.0050.00013.15
7.3.320.0030.00313.21
7.3.310.0040.00416.34
7.3.300.0030.00316.37
7.3.290.0040.01116.55
7.3.280.0130.00516.43
7.3.270.0090.00917.40
7.3.260.0170.00416.72
7.3.250.0110.00916.46
7.3.240.0120.00616.39
7.3.230.0060.01216.45
7.3.210.0100.01016.77
7.3.200.0030.01619.39
7.3.190.0130.01016.89
7.3.180.0130.00316.66
7.3.170.0070.01016.49
7.3.160.0060.01116.56
7.2.330.0090.00916.68
7.2.320.0090.00916.63
7.2.310.0100.00716.59
7.2.300.0070.01616.85
7.2.290.0110.00816.79
7.2.00.0070.01019.45
7.1.200.0100.00015.93
7.1.100.0060.00618.43
7.1.70.0000.00717.35
7.1.60.0100.01619.32
7.1.50.0280.01035.08
7.1.00.0070.07322.49
7.0.200.0030.00716.84
7.0.140.0070.07322.06
7.0.60.0270.07720.07
7.0.50.0100.08318.01
7.0.40.0030.04320.10
7.0.30.0270.07720.07
7.0.20.0300.06720.08
7.0.10.0000.08020.39
7.0.00.0030.05720.10
5.6.280.0070.07320.89
5.6.210.0070.08720.50
5.6.200.0100.06018.24
5.6.190.0030.04320.59
5.6.180.0100.08020.59
5.6.170.0170.04020.40
5.6.160.0070.06020.51
5.6.150.0130.04018.16
5.6.140.0100.03718.13
5.6.130.0030.08018.13
5.6.120.0070.08721.14
5.6.110.0100.07720.94
5.6.100.0200.07321.02
5.6.90.0070.09021.09
5.6.80.0100.07720.50
5.5.350.0170.07720.34
5.5.340.0070.04017.98
5.5.330.0070.05020.22
5.5.320.0400.05720.27
5.5.310.0200.06020.43
5.5.300.0070.08017.92
5.5.290.0030.09017.98
5.5.280.0030.08020.77
5.5.270.0100.08720.76
5.5.260.0130.07720.75
5.5.250.0030.04720.79
5.5.240.0370.06720.35
5.4.450.0770.05319.45
5.4.440.0470.05319.59
5.4.430.0200.04319.49
5.4.420.0630.00019.46
5.4.410.0730.00019.32
5.4.400.0670.00018.88
5.4.390.0670.00018.98
5.4.380.0730.00019.08
5.4.370.0630.00018.93
5.4.360.0630.00019.17
5.4.350.0670.00018.96
5.4.340.0090.03811.99
5.4.320.0080.03612.47
5.4.310.0120.03612.47
5.4.300.0060.04412.48
5.4.290.0060.03812.47
5.4.280.0080.04712.37
5.4.270.0130.03912.36
5.4.260.0100.03512.37
5.4.250.0080.03712.36
5.4.240.0080.03612.37
5.4.230.0070.04612.36
5.4.220.0070.04312.36
5.4.210.0100.04712.36
5.4.200.0050.04412.36
5.4.190.0100.04612.36
5.4.180.0040.04112.36
5.4.170.0100.03112.36
5.4.160.0050.03912.36
5.4.150.0050.03912.36
5.4.140.0050.04612.04
5.4.130.0060.03512.02
5.4.120.0060.03911.98
5.4.110.0070.03711.98
5.4.100.0080.04011.98
5.4.90.0070.04611.98
5.4.80.0090.03811.98
5.4.70.0050.03711.98
5.4.60.0060.03611.97
5.4.50.0020.03911.98
5.4.40.0060.03611.96
5.4.30.0080.03311.96
5.4.20.0080.03411.96
5.4.10.0090.03211.96
5.4.00.0100.03211.45
5.3.290.0080.03812.80
5.3.280.0100.03812.70
5.3.270.0090.04212.72
5.3.260.0100.03812.72
5.3.250.0090.03512.72
5.3.240.0080.03612.72
5.3.230.0050.03812.71
5.3.220.0060.03712.68
5.3.210.0060.04012.68
5.3.200.0090.04312.68
5.3.190.0080.03612.68
5.3.180.0090.04012.67
5.3.170.0060.03612.67
5.3.160.0080.03712.68
5.3.150.0050.04712.67
5.3.140.0060.03812.66
5.3.130.0090.04812.66
5.3.120.0060.04512.66
5.3.110.0100.03812.65
5.3.100.0070.04312.12
5.3.90.0080.03512.09
5.3.80.0060.03712.09
5.3.70.0060.03712.08
5.3.60.0100.03312.07
5.3.50.0050.03912.01
5.3.40.0100.03412.02
5.3.30.0050.03711.98
5.3.20.0130.02911.76
5.3.10.0070.04011.72
5.3.00.0110.04611.71
5.2.170.0060.0359.21
5.2.160.0050.0309.21
5.2.150.0060.0309.21
5.2.140.0050.0309.20
5.2.130.0080.0309.17
5.2.120.0040.0299.17
5.2.110.0020.0329.17
5.2.100.0070.0319.17
5.2.90.0030.0319.16
5.2.80.0050.0309.16
5.2.70.0090.0299.16
5.2.60.0060.0329.12
5.2.50.0080.0349.09
5.2.40.0060.0329.07
5.2.30.0060.0339.04
5.2.20.0060.0319.09
5.2.10.0010.0329.00
5.2.00.0050.0318.86
5.1.60.0070.0298.16
5.1.50.0140.0178.15
5.1.40.0040.0278.13
5.1.30.0050.0278.48
5.1.20.0060.0348.50
5.1.10.0050.0278.23
5.1.00.0020.0288.23
5.0.50.0050.0266.69
5.0.40.0030.0246.58
5.0.30.0060.0366.38
5.0.20.0040.0216.34
5.0.10.0050.0216.32
5.0.00.0050.0336.31
4.4.90.0050.0194.78
4.4.80.0020.0194.75
4.4.70.0020.0164.75
4.4.60.0010.0174.75
4.4.50.0020.0174.77
4.4.40.0070.0224.71
4.4.30.0030.0164.76
4.4.20.0010.0184.85
4.4.10.0060.0154.85
4.4.00.0050.0264.76
4.3.110.0060.0134.67
4.3.100.0020.0154.67
4.3.90.0040.0134.64
4.3.80.0020.0254.61
4.3.70.0030.0144.63
4.3.60.0040.0144.63
4.3.50.0020.0184.63
4.3.40.0040.0234.56
4.3.30.0030.0153.37
4.3.20.0060.0123.35
4.3.10.0030.0173.28
4.3.00.0070.0139.88

preferences:
80.04 ms | 401 KiB | 5 Q