3v4l.org

run code in 300+ PHP versions simultaneously
<?php function verifyUsername($x){ if (preg_match('/[^a-z]/i',$x)) { return 0; } else { return 1; } } function verifyEmailAdd($x){ if (!filter_var($x, FILTER_VALIDATE_EMAIL)) { return 0; } else { return 1; } } var_dump(verifyUsername("45wqadf")); var_dump(verifyUsername("wqadf")); var_dump(verifyEmailAdd("45wqadf@&%")); var_dump(verifyEmailAdd("wqadf@blah.com"));

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)
8.4.140.0140.00918.07
8.4.130.0120.01418.40
8.4.120.0100.00920.78
8.4.110.0090.01122.95
8.4.100.0150.00618.13
8.4.90.0130.00920.99
8.4.80.0110.00619.33
8.4.70.0060.00221.09
8.4.60.0120.00820.84
8.4.50.0110.01219.96
8.4.40.0140.00718.19
8.4.30.0130.00319.66
8.4.20.0100.01318.01
8.4.10.0140.00319.81
8.3.270.0100.01117.21
8.3.260.0100.00716.95
8.3.250.0140.00519.16
8.3.240.0060.00417.12
8.3.230.0110.01017.24
8.3.220.0050.00919.12
8.3.210.0080.01117.11
8.3.200.0040.00517.06
8.3.190.0090.00617.48
8.3.180.0090.00517.11
8.3.170.0040.00417.32
8.3.160.0130.00717.13
8.3.150.0170.00020.99
8.3.140.0130.00717.04
8.3.130.0080.00417.01
8.3.120.0000.01019.33
8.3.110.0070.00318.79
8.3.100.0070.00318.94
8.3.90.0100.00726.77
8.3.80.0080.00319.03
8.3.70.0120.00617.00
8.3.60.0120.00616.88
8.3.50.0070.01117.12
8.3.40.0120.00419.34
8.3.30.0160.00319.36
8.3.20.0080.00020.41
8.3.10.0090.00021.23
8.3.00.0040.00420.53
8.2.290.0080.01217.34
8.2.280.0130.00718.66
8.2.270.0170.00317.70
8.2.260.0100.01017.30
8.2.250.0140.00716.94
8.2.240.0070.00317.31
8.2.230.0000.00920.94
8.2.220.0080.00037.54
8.2.210.0090.00026.77
8.2.200.0090.00317.13
8.2.190.0100.00716.75
8.2.180.0080.00825.92
8.2.170.0160.00319.21
8.2.160.0110.00422.96
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00021.21
8.2.120.0040.00426.35
8.2.110.0030.00721.55
8.2.100.0070.00718.28
8.2.90.0030.00518.47
8.2.80.0030.00520.90
8.2.70.0000.00817.75
8.2.60.0030.00618.00
8.2.50.0060.00319.55
8.2.40.0060.00321.42
8.2.30.0030.00519.45
8.2.20.0050.00318.37
8.2.10.0000.00818.27
8.2.00.0030.00618.30
8.1.330.0080.00822.27
8.1.320.0140.00718.50
8.1.310.0090.00618.90
8.1.300.0100.01016.71
8.1.290.0060.00330.84
8.1.280.0060.01625.92
8.1.270.0080.00022.26
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00622.57
8.1.230.0040.00821.41
8.1.220.0030.00518.01
8.1.210.0030.00519.16
8.1.200.0030.00617.73
8.1.190.0060.00617.38
8.1.180.0070.00319.34
8.1.170.0030.00619.21
8.1.160.0030.00619.31
8.1.150.0030.00719.07
8.1.140.0030.00619.77
8.1.130.0040.00418.95
8.1.120.0040.00417.76
8.1.110.0000.00817.69
8.1.100.0030.00617.64
8.1.90.0050.00317.71
8.1.80.0000.00817.73
8.1.70.0040.00417.72
8.1.60.0000.00817.77
8.1.50.0040.00417.86
8.1.40.0040.00517.78
8.1.30.0000.00817.88
8.1.20.0060.00317.96
8.1.10.0040.00417.62
8.1.00.0000.01119.80
8.0.300.0000.00820.34
8.0.290.0040.00417.00
8.0.280.0080.00018.50
8.0.270.0000.00717.31
8.0.260.0070.00018.89
8.0.250.0000.00717.12
8.0.240.0000.00717.22
8.0.230.0000.00817.09
8.0.220.0040.00417.21
8.0.210.0020.00517.11
8.0.200.0000.00717.13
8.0.190.0000.00917.23
8.0.180.0000.00817.10
8.0.170.0000.00817.07
8.0.160.0040.00717.10
8.0.150.0100.00017.07
8.0.140.0050.00317.09
8.0.130.0030.00313.58
8.0.120.0000.00917.03
8.0.110.0000.00817.23
8.0.100.0040.00417.17
8.0.90.0040.00417.14
8.0.80.0100.00817.19
8.0.70.0000.00817.07
8.0.60.0060.00317.05
8.0.50.0000.00817.02
8.0.30.0120.00617.30
8.0.20.0120.00817.46
8.0.10.0030.00617.13
8.0.00.0080.01217.04
7.4.330.0000.00515.55
7.4.320.0030.00316.86
7.4.300.0030.00316.98
7.4.290.0090.00016.72
7.4.280.0040.00416.84
7.4.270.0040.00416.96
7.4.260.0050.00316.95
7.4.250.0070.00016.96
7.4.240.0080.00016.90
7.4.230.0000.00816.78
7.4.220.0000.00716.97
7.4.210.0070.01017.00
7.4.200.0000.00716.88
7.4.160.0080.00916.89
7.4.150.0060.01317.40
7.4.140.0080.01117.86
7.4.130.0080.01116.92
7.4.120.0120.00816.89
7.4.110.0140.00717.04
7.4.100.0110.00716.85
7.4.90.0110.00716.77
7.4.80.0060.01419.39
7.4.70.0080.01116.85
7.4.60.0070.01016.79
7.4.50.0000.01616.58
7.4.40.0120.00616.73
7.4.30.0110.00816.77
7.4.00.0030.01415.44
7.3.330.0000.00613.55
7.3.320.0000.00613.46
7.3.310.0000.00716.62
7.3.300.0040.00416.52
7.3.290.0040.01016.62
7.3.280.0090.00916.59
7.3.270.0070.01717.40
7.3.260.0130.00816.69
7.3.250.0150.00716.67
7.3.240.0150.00516.77
7.3.230.0110.00716.84
7.3.210.0150.00416.63
7.3.200.0060.01616.95
7.3.190.0080.00816.82
7.3.180.0100.00716.54
7.3.170.0030.01416.79
7.3.160.0110.00616.97
7.2.330.0100.00716.96
7.2.320.0150.00316.98
7.2.310.0180.00616.93
7.2.300.0080.00816.85
7.2.290.0060.01316.91
7.2.60.0000.01317.18
7.1.200.0040.00816.20
7.1.90.0050.00918.45
7.1.80.0080.00618.37
7.1.70.0000.01317.32
7.1.60.0190.01435.64
7.1.50.0150.01235.08
7.1.40.0170.01234.95
7.1.30.0180.00934.91
7.1.20.0190.00935.10
7.1.10.0020.01516.88
7.1.00.0050.01117.03
7.0.230.0020.01218.07
7.0.220.0030.01117.98
7.0.200.0100.00616.99
7.0.190.0020.01117.04
7.0.180.0030.01116.61
7.0.170.0020.01216.76
7.0.160.0050.01316.67
7.0.150.0130.00416.43
7.0.140.0080.00916.75
7.0.130.0090.00516.84
7.0.120.0030.01116.94
7.0.110.0030.01016.70
7.0.100.0070.00716.72
7.0.90.0050.00916.60
7.0.80.0060.00816.83
7.0.70.0110.00316.69
7.0.60.0050.00716.56
7.0.50.0030.00916.85
7.0.40.0050.00817.01
7.0.30.0030.00916.81
7.0.20.0090.00416.71
7.0.10.0020.01116.80
7.0.00.0010.01116.79

preferences:
138.06 ms | 403 KiB | 5 Q