3v4l.org

run code in 300+ PHP versions simultaneously
<?php $emailA = "john1@here.com"; $emailB = "john1@here#.com"; function validateEmail( $email ){ $regex = "/^[a-zA-Z0-9.]+@[a-zA-Z0-9.]+\.[a-zA-Z]{2,4}/"; $error = "\nOnly letters, numbers, dot and @ are allowed"; echo (preg_match($regex,$email))? "$email is valid\n" : "$error - $email is invalid\n"; return true; } validateEmail( $emailA ); validateEmail( $emailB );

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)
8.4.140.0110.01017.87
8.4.130.0050.00518.61
8.4.120.0110.01124.26
8.4.110.0100.00722.56
8.4.100.0140.00718.04
8.4.90.0120.00918.73
8.4.80.0100.00519.60
8.4.70.0100.00418.82
8.4.60.0120.00818.79
8.4.50.0240.00918.29
8.4.40.0230.00618.79
8.4.30.0120.00519.33
8.4.20.0170.00818.47
8.4.10.0170.00618.23
8.3.270.0110.00616.68
8.3.260.0120.00816.63
8.3.250.0030.00618.79
8.3.240.0060.01216.94
8.3.230.0160.00416.72
8.3.220.0060.00517.08
8.3.210.0120.00716.60
8.3.200.0080.00016.68
8.3.190.0130.00316.78
8.3.180.0180.00516.49
8.3.170.0190.00617.28
8.3.160.0240.00917.33
8.3.150.0180.00817.29
8.3.140.0130.00717.21
8.3.130.0140.00316.65
8.3.120.0140.00517.76
8.3.110.0110.00517.99
8.3.100.0150.00516.77
8.3.90.0150.00316.49
8.3.80.0150.00417.05
8.3.70.0130.00716.53
8.3.60.0160.00717.23
8.3.50.0130.00817.97
8.3.40.0150.00718.58
8.3.30.0140.00517.87
8.3.20.0110.00618.59
8.3.10.0130.00619.06
8.3.00.0100.00619.60
8.2.290.0050.00320.20
8.2.280.0110.00617.83
8.2.270.0140.00416.88
8.2.260.0130.00417.19
8.2.250.0110.00417.28
8.2.240.0140.00617.21
8.2.230.0130.00418.57
8.2.220.0140.00619.03
8.2.210.0100.00719.96
8.2.200.0110.00417.34
8.2.190.0130.00417.33
8.2.180.0120.00516.65
8.2.170.0160.00319.41
8.2.160.0120.00718.47
8.2.150.0180.00320.41
8.2.140.0130.00319.99
8.2.130.0120.00520.51
8.2.120.0110.00518.14
8.2.110.0110.00518.35
8.2.100.0160.00317.65
8.2.90.0170.00417.79
8.2.80.0160.00517.70
8.2.70.0140.00517.61
8.2.60.0190.00317.81
8.2.50.0140.00717.75
8.2.40.0180.00618.05
8.2.30.0120.00718.28
8.2.20.0140.00617.90
8.2.10.0140.00518.13
8.2.00.0160.00617.63
8.1.330.0080.01122.18
8.1.320.0080.00716.68
8.1.310.0150.00717.08
8.1.300.0150.00617.09
8.1.290.0130.00617.11
8.1.280.0110.00919.59
8.1.270.0110.00417.86
8.1.260.0130.00320.39
8.1.250.0130.00520.97
8.1.240.0150.00519.46
8.1.230.0140.00318.52
8.1.220.0120.00317.48
8.1.210.0120.00317.74
8.1.200.0110.00517.32
8.1.190.0120.00417.24
8.1.180.0120.00518.10
8.1.170.0080.00717.81
8.1.160.0130.00317.70
8.1.150.0120.00218.40
8.1.140.0100.00518.15
8.1.130.0100.00418.27
8.1.120.0100.00717.34
8.1.110.0100.00617.34
8.1.100.0110.00517.94
8.1.90.0110.00517.31
8.1.80.0140.00317.39
8.1.70.0140.00417.39
8.1.60.0130.00417.62
8.1.50.0150.00417.48
8.1.40.0110.00417.41
8.1.30.0100.00417.57
8.1.20.0100.00517.76
8.1.10.0120.00317.56
8.1.00.0130.00717.89
8.0.300.0110.00517.84
8.0.290.0120.00416.74
8.0.280.0120.00617.25
8.0.270.0140.00316.78
8.0.260.0110.00417.27
8.0.250.0120.00716.91
8.0.240.0160.00416.76
8.0.230.0130.00616.81
8.0.220.0120.00516.70
8.0.210.0110.00416.76
8.0.200.0090.00616.86
8.0.190.0090.00716.70
8.0.180.0130.00516.78
8.0.170.0110.00416.71
8.0.160.0120.00616.74
8.0.150.0120.00417.33
8.0.140.0120.00716.71
8.0.130.0120.00515.48
8.0.120.0170.00416.72
8.0.110.0120.00416.73
8.0.100.0130.00716.68
8.0.90.0150.00616.64
8.0.80.0170.00516.73
8.0.70.0150.00516.75
8.0.60.0120.00616.78
8.0.50.0090.00616.66
8.0.30.0140.00616.83
8.0.20.0120.00816.98
8.0.10.0110.00916.92
8.0.00.0110.00717.00
7.4.330.0090.00316.80
7.4.320.0110.00317.11
7.4.300.0090.00417.03
7.4.290.0090.00516.61
7.4.280.0110.00716.54
7.4.270.0100.00516.65
7.4.260.0120.00416.48
7.4.250.0120.00216.57
7.4.240.0140.00317.14
7.4.230.0110.00516.66
7.4.220.0130.00516.55
7.4.210.0120.00516.68
7.4.200.0130.00516.58
7.4.190.0210.00516.61
7.4.180.0220.00416.52
7.4.160.0140.00416.61
7.4.150.0150.00617.29
7.4.140.0140.00816.93
7.4.130.0160.00816.55
7.4.120.0090.01116.52
7.4.110.0110.00716.59
7.4.100.0130.00616.54
7.4.90.0130.00716.62
7.4.80.0120.00717.41
7.4.70.0120.00616.53
7.4.60.0130.00516.56
7.4.50.0140.00516.46
7.4.40.0120.00816.91
7.4.30.0120.00716.53
7.4.20.0140.00816.57
7.4.10.0120.00616.43
7.4.00.0120.00516.14
7.3.330.0090.00315.33
7.3.320.0130.00415.33
7.3.310.0150.00416.31
7.3.300.0120.00616.89
7.3.290.0080.00716.33
7.3.280.0070.00916.40
7.3.270.0160.00916.37
7.3.260.0120.00916.70
7.3.250.0170.00716.46
7.3.240.0130.00916.74
7.3.230.0150.00616.45
7.3.220.0160.00616.26
7.3.210.0140.00916.61
7.3.200.0140.01116.30
7.3.190.0120.00716.26
7.3.180.0120.00616.18
7.3.170.0130.00616.35
7.3.160.0110.00716.33
7.3.150.0190.00516.25
7.3.140.0110.00916.17
7.3.130.0160.00516.65
7.3.120.0120.00716.41
7.3.110.0130.00815.93
7.3.100.0110.00916.33
7.3.90.0160.00516.14
7.3.80.0140.01016.07
7.3.70.0100.00716.06
7.3.60.0110.00716.09
7.3.50.0100.00816.01
7.3.40.0110.00616.04
7.3.30.0110.00416.08
7.3.20.1090.00716.76
7.3.10.1410.00516.71
7.3.00.1340.00716.67
7.2.340.0130.00816.38
7.2.330.0140.00916.45
7.2.320.0170.00916.55
7.2.310.0190.00716.42
7.2.300.0170.00816.48
7.2.290.0150.00716.38
7.2.280.0200.00816.39
7.2.270.0150.00616.33
7.2.260.0210.00316.45
7.2.250.0160.00716.08
7.2.240.0160.01016.15
7.2.230.0270.00516.13
7.2.220.0120.00816.15
7.2.210.0150.00916.40
7.2.200.0170.00816.28
7.2.190.0150.00716.24
7.2.180.0170.00716.16
7.2.170.0180.00516.23
7.2.160.0160.00817.01
7.2.150.1560.00716.96
7.2.140.1430.00717.00
7.2.130.1800.00517.00
7.2.120.1620.00917.01
7.2.110.1820.00716.99
7.2.100.1790.00616.97
7.2.90.1320.00716.96
7.2.80.0820.00617.01
7.2.70.0220.00817.02
7.2.60.0400.00917.05
7.2.50.0690.00817.01
7.2.40.0180.00917.05
7.2.30.0250.00817.01
7.2.20.0190.00717.07
7.2.10.1090.00917.00
7.2.00.1760.00716.95
7.1.330.0140.00516.29
7.1.320.0140.00716.32
7.1.310.0140.00716.35
7.1.300.0150.00516.33
7.1.290.0120.00716.35
7.1.280.0230.00516.33
7.1.270.0160.00516.35
7.1.260.0130.00716.35
7.1.250.1390.00715.85
7.1.240.0130.00816.36
7.1.230.0180.00716.38
7.1.220.0150.01016.43
7.1.210.0200.00716.43
7.1.200.0300.01016.37
7.1.190.0150.00616.42
7.1.180.0160.00416.38
7.1.170.0170.00616.39
7.1.160.0160.00516.31
7.1.150.0230.00616.53
7.1.140.0200.00516.34
7.1.130.0150.00516.45
7.1.120.0150.00816.52
7.1.110.0210.00716.59
7.1.100.0150.00716.58
7.1.90.0140.00716.52
7.1.80.0160.00716.54
7.1.70.0170.00416.39
7.1.60.0130.00716.63
7.1.50.0140.00616.57
7.1.40.0150.00616.67
7.1.30.0170.00816.59
7.1.20.0200.00716.50
7.1.10.0130.00816.54
7.1.00.0100.00916.44

preferences:
36.62 ms | 406 KiB | 6 Q