3v4l.org

run code in 300+ PHP versions simultaneously
<?php $email = 'a@g.c'; if (!preg_match('/^[^@]{1,64}@[^@]{1,255}$/', $email)) { echo 'false'; } else { echo 'true'; }

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)
8.3.40.0090.00618.84
8.3.30.0070.01018.92
8.3.20.0000.00720.33
8.3.10.0080.00021.92
8.3.00.0000.00822.40
8.2.170.0090.00622.96
8.2.160.0170.00321.15
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0050.00319.61
8.2.110.0040.00422.18
8.2.100.0090.00417.91
8.2.90.0030.00619.09
8.2.80.0050.00318.05
8.2.70.0000.00817.63
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0090.00018.22
8.2.30.0000.00717.95
8.2.20.0040.00417.72
8.2.10.0040.00419.68
8.2.00.0040.00417.82
8.1.270.0000.00821.96
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0090.00023.92
8.1.230.0090.00319.01
8.1.220.0000.01017.74
8.1.210.0060.00318.77
8.1.200.0060.00317.48
8.1.190.0090.00017.40
8.1.180.0000.00918.66
8.1.170.0030.00518.76
8.1.160.0000.00822.09
8.1.150.0050.00318.80
8.1.140.0050.00317.55
8.1.130.0030.00317.84
8.1.120.0030.00417.51
8.1.110.0060.00317.57
8.1.100.0000.00717.62
8.1.90.0050.00217.66
8.1.80.0000.00717.64
8.1.70.0000.00717.61
8.1.60.0040.00417.76
8.1.50.0000.00717.56
8.1.40.0080.00017.69
8.1.30.0000.00717.80
8.1.20.0050.00317.82
8.1.10.0070.00017.70
8.1.00.0050.00317.48
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0000.00718.33
8.0.270.0040.00417.19
8.0.260.0000.00816.88
8.0.250.0000.00817.10
8.0.240.0050.00217.02
8.0.230.0030.00316.96
8.0.220.0080.00017.03
8.0.210.0040.00416.96
8.0.200.0000.00616.96
8.0.190.0000.00817.10
8.0.180.0040.00417.06
8.0.170.0000.00916.94
8.0.160.0040.00416.93
8.0.150.0000.00716.86
8.0.140.0000.00716.89
8.0.130.0000.00713.48
8.0.120.0040.00416.88
8.0.110.0000.00717.00
8.0.100.0020.00516.97
8.0.90.0040.00417.00
8.0.80.0060.01316.96
8.0.70.0060.00317.15
8.0.60.0040.00416.99
8.0.50.0040.00416.89
8.0.30.0120.00717.07
8.0.20.0070.01217.40
8.0.10.0000.00817.14
8.0.00.0120.01217.01
7.4.330.0020.00215.02
7.4.320.0060.00016.72
7.4.300.0030.00416.63
7.4.290.0070.00016.82
7.4.280.0030.00316.79
7.4.270.0030.00516.75
7.4.260.0000.00916.68
7.4.250.0000.00816.66
7.4.240.0000.00716.70
7.4.230.0000.00716.62
7.4.220.0070.01116.68
7.4.210.0060.01016.70
7.4.200.0030.00316.45
7.4.190.0040.00416.84
7.4.160.0120.00316.46
7.4.150.0070.01117.40
7.4.140.0170.00517.86
7.4.130.0100.00716.49
7.4.120.0120.00516.57
7.4.110.0040.01816.66
7.4.100.0110.00816.70
7.4.90.0130.00316.71
7.4.80.0140.00619.39
7.4.70.0030.01316.50
7.4.60.0100.00716.61
7.4.50.0040.00416.53
7.4.40.0060.01022.77
7.4.30.0160.00016.57
7.4.00.0040.01115.22
7.3.330.0080.00013.09
7.3.320.0050.00013.18
7.3.310.0000.00716.27
7.3.300.0040.00416.30
7.3.290.0100.00516.33
7.3.280.0110.00716.25
7.3.270.0080.00817.40
7.3.260.0080.00916.36
7.3.250.0080.01316.62
7.3.240.0080.00816.42
7.3.230.0060.01216.50
7.3.210.0030.01316.34
7.3.200.0030.01719.39
7.3.190.0040.01816.71
7.3.180.0070.01016.34
7.3.170.0050.01816.37
7.3.160.0180.00316.57
7.3.120.0030.01415.01
7.3.10.0070.00716.69
7.3.00.0110.00416.94
7.2.330.0070.01016.65
7.2.320.0150.00916.51
7.2.310.0120.00616.56
7.2.300.0070.01016.42
7.2.290.0110.00516.63
7.2.130.0040.01116.75
7.2.120.0110.00316.78
7.2.110.0100.00316.94
7.2.100.0070.01016.93
7.2.90.0060.00616.67
7.2.80.0040.01117.00
7.2.70.0090.00617.06
7.2.60.0070.00717.06
7.2.50.0100.00717.13
7.2.40.0030.01016.72
7.2.30.0090.00616.77
7.2.20.0120.00316.66
7.2.10.0070.01316.96
7.2.00.0020.01218.18
7.1.250.0050.00515.87
7.1.200.0120.00315.86
7.1.100.0130.00617.87
7.1.70.0000.00817.00
7.1.60.0080.01219.82
7.1.50.0140.01117.10
7.1.00.0000.08022.28
7.0.200.0080.00416.93
7.0.140.0070.06322.10
7.0.60.0030.09020.00
7.0.50.0000.07317.86
7.0.40.0070.07720.42
7.0.30.0270.06320.15
7.0.20.0170.06320.10
7.0.10.0230.05020.35
7.0.00.0100.07720.18
5.6.280.0100.06720.88
5.6.210.0100.05020.67
5.6.200.0030.07318.18
5.6.190.0070.08320.61
5.6.180.3170.03720.77
5.6.170.0270.06320.50
5.6.160.0070.04720.48
5.6.150.0100.07718.11
5.6.140.0100.07318.11
5.6.130.0070.08318.21
5.6.120.0070.06720.97
5.6.110.0030.05720.98
5.6.100.0200.07321.00
5.6.90.0030.04021.02
5.6.80.0130.07720.38
5.6.70.0230.07020.51
5.5.350.0030.03020.36
5.5.340.0030.03718.01
5.5.330.0070.07020.36
5.5.320.0330.07320.21
5.5.310.0200.04320.17
5.5.300.0070.08017.97
5.5.290.0100.04017.90
5.5.280.0170.05320.76
5.5.270.0130.08020.87
5.5.260.0070.03720.83
5.5.250.0000.06020.77
5.5.240.0100.07320.23
5.4.450.0200.07319.47
5.4.440.0670.05319.63
5.4.430.0130.07719.65
5.4.420.0200.04719.15
5.4.410.0170.05319.22
5.4.400.0930.00018.81
5.4.390.0830.00018.65
5.4.380.0430.06018.50
5.4.370.0230.05318.78
5.4.360.0100.06718.56
5.4.350.0330.04318.67
5.4.340.0200.05318.50
5.4.320.0060.03812.45
5.4.310.0080.04112.45
5.4.300.0100.03212.45
5.4.290.0090.04212.45
5.4.280.0040.03812.35
5.4.270.0070.06718.90
5.4.260.0130.05018.87
5.4.250.0200.05718.90
5.4.240.0170.06718.67
5.4.230.0030.05718.89
5.4.220.0100.06018.77
5.4.210.0100.05319.02
5.4.200.0130.07018.74
5.4.190.0130.04718.77
5.4.180.0200.05318.89
5.4.170.0100.07018.77
5.4.160.0100.05318.78
5.4.150.0070.06018.88
5.4.140.0130.06716.21
5.4.130.0130.04716.42
5.4.120.0230.04716.39
5.4.110.0030.05716.49
5.4.100.0100.05716.26
5.4.90.0130.05016.48
5.4.80.0170.04016.37
5.4.70.0170.05716.37
5.4.60.0130.06016.50
5.4.50.0030.06016.50
5.4.40.0170.05316.21
5.4.30.0170.04016.39
5.4.20.0170.06316.25
5.4.10.0100.05316.46
5.4.00.0130.04715.70
5.3.290.0060.04112.80
5.3.280.0100.05714.61
5.3.270.0100.07314.45
5.3.260.0130.06014.64
5.3.250.0100.05014.61
5.3.240.0070.05014.65
5.3.230.0100.06714.61
5.3.220.0030.05314.57
5.3.210.0170.04314.45
5.3.200.0130.05714.26
5.3.190.0170.06014.57
5.3.180.0100.06714.33
5.3.170.0100.07014.62
5.3.160.0170.06714.61
5.3.150.0070.06014.47
5.3.140.0030.06714.60
5.3.130.0100.06014.70
5.3.120.0130.04714.32
5.3.110.0070.05314.46
5.3.100.0130.05314.08
5.3.90.0200.06713.85
5.3.80.0130.04314.06
5.3.70.0100.04314.03
5.3.60.0130.05714.14
5.3.50.0100.05313.86
5.3.40.0070.05313.64
5.3.30.0070.05014.05
5.3.20.0100.04713.70
5.3.10.0100.04713.66
5.3.00.0070.05013.79
5.2.170.0070.06011.05
5.2.160.0200.04711.15
5.2.150.0000.05011.14
5.2.140.0030.05310.97
5.2.130.0070.05010.98
5.2.120.0030.05010.98
5.2.110.0130.03711.11
5.2.100.0130.03311.09
5.2.90.0070.04311.01
5.2.80.0170.03711.09
5.2.70.0200.04311.08
5.2.60.0070.04010.98
5.2.50.0100.03711.13
5.2.40.0030.05010.83
5.2.30.0070.05710.99
5.2.20.0030.05010.79
5.2.10.0070.04010.74
5.2.00.0070.04010.66
5.1.60.0070.04310.04
5.1.50.0070.03310.01
5.1.40.0100.03710.06
5.1.30.0070.04710.25
5.1.20.0070.03310.11
5.1.10.0070.04010.29
5.1.00.0030.03710.25
5.0.50.0030.0308.60
5.0.40.0000.0308.63
5.0.30.0030.0508.30
5.0.20.0100.0278.33
5.0.10.0070.0308.11
5.0.00.0000.0478.38
4.4.90.0070.0177.19
4.4.80.0030.0307.19
4.4.70.0000.0277.20
4.4.60.0070.0207.20
4.4.50.0030.0207.20
4.4.40.0070.0307.20
4.4.30.0000.0237.20
4.4.20.0070.0207.20
4.4.10.0030.0237.20
4.4.00.0070.0307.20
4.3.110.0030.0237.20
4.3.100.0130.0137.20
4.3.90.0070.0277.20
4.3.80.0100.0237.20
4.3.70.0000.0237.20
4.3.60.0030.0307.20
4.3.50.0100.0137.20
4.3.40.0070.0337.20
4.3.30.0030.0307.20
4.3.20.0030.0307.20
4.3.10.0030.0207.20
4.3.00.0170.0207.39

preferences:
52.64 ms | 400 KiB | 5 Q