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)
8.3.60.0000.01418.68
8.3.50.0090.00722.13
8.3.40.0090.00619.00
8.3.30.0060.01219.13
8.3.20.0040.00420.21
8.3.10.0080.00023.79
8.3.00.0070.00317.75
8.2.180.0080.00818.53
8.2.170.0040.01122.96
8.2.160.0100.01020.83
8.2.150.0060.00324.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00819.89
8.2.110.0070.00321.23
8.2.100.0120.00017.97
8.2.90.0070.00318.15
8.2.80.0040.00417.97
8.2.70.0060.00317.88
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0050.00320.26
8.2.30.0080.00018.11
8.2.20.0080.00017.90
8.2.10.0030.00518.32
8.2.00.0050.00317.91
8.1.280.0070.01125.92
8.1.270.0030.00624.21
8.1.260.0080.00026.35
8.1.250.0090.00928.09
8.1.240.0060.00322.31
8.1.230.0040.00821.08
8.1.220.0040.00417.77
8.1.210.0000.00918.85
8.1.200.0100.00017.48
8.1.190.0040.00417.47
8.1.180.0050.00318.10
8.1.170.0030.00518.74
8.1.160.0020.00522.05
8.1.150.0030.00619.10
8.1.140.0050.00317.71
8.1.130.0000.00718.12
8.1.120.0070.00017.80
8.1.110.0030.00617.75
8.1.100.0070.00017.72
8.1.90.0030.00717.70
8.1.80.0000.00717.77
8.1.70.0080.00017.62
8.1.60.0000.00917.87
8.1.50.0000.00817.68
8.1.40.0050.00317.79
8.1.30.0060.00317.93
8.1.20.0040.00417.85
8.1.10.0050.00317.70
8.1.00.0030.00618.39
8.0.300.0020.00520.20
8.0.290.0070.00016.88
8.0.280.0000.00718.61
8.0.270.0040.00417.36
8.0.260.0000.00617.28
8.0.250.0000.00717.21
8.0.240.0050.00217.17
8.0.230.0070.00017.11
8.0.220.0030.00417.12
8.0.210.0000.00717.01
8.0.200.0000.00817.16
8.0.190.0020.00517.25
8.0.180.0000.00817.14
8.0.170.0050.00317.16
8.0.160.0000.00717.18
8.0.150.0040.00417.06
8.0.140.0030.00617.11
8.0.130.0030.00313.54
8.0.120.0040.00417.11
8.0.110.0040.00417.13
8.0.100.0040.00417.25
8.0.90.0050.00317.14
8.0.80.0040.01417.16
8.0.70.0040.00417.05
8.0.60.0000.00717.13
8.0.50.0070.00017.21
8.0.30.0120.01217.16
8.0.20.0080.01117.40
8.0.10.0000.00817.18
8.0.00.0090.00817.12
7.4.330.0050.00015.31
7.4.320.0070.00016.81
7.4.300.0060.00016.86
7.4.290.0000.00716.91
7.4.280.0000.00816.83
7.4.270.0040.00416.93
7.4.260.0040.00416.74
7.4.250.0040.00416.93
7.4.240.0060.00216.98
7.4.230.0070.00017.00
7.4.220.0200.00616.95
7.4.210.0110.00316.81
7.4.200.0000.00716.75
7.4.160.0120.01216.70
7.4.150.0120.00617.40
7.4.140.0090.01117.86
7.4.130.0160.00316.88
7.4.120.0070.01016.95
7.4.110.0150.00416.68
7.4.100.0170.00716.68
7.4.90.0140.00316.61
7.4.80.0110.00719.39
7.4.70.0110.00716.68
7.4.60.0100.00716.71
7.4.50.0000.00416.59
7.4.40.0100.00616.83
7.4.30.0100.00716.67
7.4.00.0000.01715.30
7.3.330.0000.00613.34
7.3.320.0000.00713.16
7.3.310.0040.00416.52
7.3.300.0030.00316.39
7.3.290.0080.00816.50
7.3.280.0070.01016.48
7.3.270.0160.00317.40
7.3.260.0110.00816.75
7.3.250.0070.01116.81
7.3.240.0060.01416.42
7.3.230.0150.00416.42
7.3.210.0090.01016.46
7.3.200.0060.01619.39
7.3.190.0160.00316.67
7.3.180.0160.00016.63
7.3.170.0030.01416.50
7.3.160.0060.01216.89
7.2.330.0090.00816.66
7.2.320.0040.01516.85
7.2.310.0040.01416.82
7.2.300.0070.01116.50
7.2.290.0080.01116.72
7.1.70.0020.00617.39
7.1.60.0080.01219.32
7.1.50.0040.01817.22
7.1.00.0000.08022.46
7.0.200.0000.00816.85
7.0.140.0030.07322.11
7.0.60.0070.05720.13
7.0.50.0100.07018.06
7.0.40.0100.06720.16
7.0.30.0270.09020.42
7.0.20.0200.04320.26
7.0.10.0030.04720.11
7.0.00.0200.07320.15
5.6.280.0070.07320.99
5.6.210.0100.07720.52
5.6.200.0100.08318.14
5.6.190.0100.03720.64
5.6.180.3200.05020.62
5.6.170.0300.06320.50
5.6.160.0030.05320.51
5.6.150.0130.03018.14
5.6.140.0030.06718.20
5.6.130.0030.06318.09
5.6.120.0000.04320.99
5.6.110.0070.08321.08
5.6.100.0100.07021.10
5.6.90.0100.08321.09
5.6.80.0130.06320.28
5.6.70.4370.04020.39
5.5.350.0100.07320.32
5.5.340.0030.05018.03
5.5.330.0000.05020.17
5.5.320.0200.06320.22
5.5.310.0270.06320.31
5.5.300.0070.08317.94
5.5.290.0030.04017.94
5.5.280.0100.07720.73
5.5.270.0070.06720.97
5.5.260.0030.04020.79
5.5.250.0070.08020.43
5.5.240.0070.07020.04
5.4.450.0600.03719.32
5.4.440.0530.04319.12
5.4.430.0230.04019.58
5.4.420.0630.00019.32
5.4.410.0630.00019.07
5.4.400.0630.00019.05
5.4.390.0630.00019.18
5.4.380.0670.00019.00
5.4.370.0630.00019.06
5.4.360.0630.00018.97
5.4.350.0630.00019.00
5.4.340.0090.03411.99
5.4.320.0110.04512.48
5.4.310.0070.03912.47
5.4.300.0030.03912.48
5.4.290.0080.03612.47
5.4.280.0040.03712.37
5.4.270.0050.03612.37
5.4.260.0060.03812.37
5.4.250.0060.04012.37
5.4.240.0080.03412.37
5.4.230.0080.03912.37
5.4.220.0090.04312.36
5.4.210.0070.03412.36
5.4.200.0050.03812.36
5.4.190.0030.03912.36
5.4.180.0080.03412.36
5.4.170.0060.03612.37
5.4.160.0060.03512.36
5.4.150.0080.04412.36
5.4.140.0120.04312.04
5.4.130.0040.03812.03
5.4.120.0100.03211.99
5.4.110.0030.04411.98
5.4.100.0090.04111.99
5.4.90.0120.05511.98
5.4.80.0130.04711.98
5.4.70.0090.05711.98
5.4.60.0100.04711.98
5.4.50.0040.04711.98
5.4.40.0080.04011.97
5.4.30.0100.04611.97
5.4.20.0080.03511.96
5.4.10.0030.03811.96
5.4.00.0060.03611.46
5.3.290.0080.03912.80
5.3.280.0060.04412.70
5.3.270.0070.04012.72
5.3.260.0130.03712.72
5.3.250.0080.03512.72
5.3.240.0060.03712.72
5.3.230.0090.04112.70
5.3.220.0060.03912.68
5.3.210.0060.04612.68
5.3.200.0050.03812.68
5.3.190.0050.03812.68
5.3.180.0060.03712.67
5.3.170.0070.03712.67
5.3.160.0150.04512.67
5.3.150.0140.04812.68
5.3.140.0110.03312.66
5.3.130.0090.03712.66
5.3.120.0100.04412.66
5.3.110.0120.04012.66
5.3.100.0090.03312.12
5.3.90.0070.03512.10
5.3.80.0060.03612.09
5.3.70.0030.03912.09
5.3.60.0030.04112.07
5.3.50.0060.03612.02
5.3.40.0050.03812.02
5.3.30.0070.03411.98
5.3.20.0060.03711.76
5.3.10.0060.04611.73
5.3.00.0090.04011.71
5.2.170.0090.0499.21
5.2.160.0180.0819.21
5.2.150.0080.0339.21
5.2.140.0060.0379.21
5.2.130.0050.0329.18
5.2.120.0060.0359.17
5.2.110.0090.0289.18
5.2.100.0090.0259.17
5.2.90.0080.0279.17
5.2.80.0080.0329.16
5.2.70.0070.0349.16
5.2.60.0050.0379.13
5.2.50.0070.0449.09
5.2.40.0080.0309.07
5.2.30.0090.0309.05
5.2.20.0110.0339.09
5.2.10.0100.0289.00
5.2.00.0090.0308.86
5.1.60.0070.0238.15
5.1.50.0080.0308.15
5.1.40.0030.0278.13
5.1.30.0070.0248.48
5.1.20.0050.0278.50
5.1.10.0070.0238.23
5.1.00.0040.0268.23
5.0.50.0050.0186.70
5.0.40.0030.0216.57
5.0.30.0030.0336.37
5.0.20.0040.0206.34
5.0.10.0070.0186.31
5.0.00.0050.0316.31
4.4.90.0030.0164.78
4.4.80.0050.0134.76
4.4.70.0020.0194.75
4.4.60.0040.0204.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0050.0174.76
4.4.20.0030.0154.85
4.4.10.0030.0194.85
4.4.00.0020.0254.76
4.3.110.0040.0224.67
4.3.100.0010.0164.67
4.3.90.0040.0154.63
4.3.80.0040.0244.61
4.3.70.0050.0144.63
4.3.60.0030.0154.62
4.3.50.0010.0194.63
4.3.40.0060.0204.55
4.3.30.0030.0163.36
4.3.20.0030.0163.35
4.3.10.0050.0143.28
4.3.00.0070.0139.88

preferences:
80.8 ms | 401 KiB | 5 Q