3v4l.org

run code in 300+ PHP versions simultaneously
<?php $first = "."; $last = "a"; $middle= "testing-123.test"; echo "First segment:\t" . (ctype_alnum($first) ? 'valid' : 'invalid') . "\n"; echo "Second segment:\t" . (preg_match("/^[a-z\d.-]+$/i", $middle) ? 'valid' : 'invalid') . "\n"; echo "Third segment:\t" . (ctype_alnum($last) ? 'valid' : 'invalid');

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)
8.4.120.0120.00924.30
8.4.110.0080.01222.27
8.4.100.0150.00617.95
8.4.90.0100.00418.06
8.4.80.0050.00417.93
8.4.70.0080.00217.84
8.4.60.0120.00818.66
8.4.50.0110.00721.87
8.4.40.0140.00717.59
8.4.30.0130.00718.74
8.4.20.0100.01019.77
8.4.10.0160.00619.67
8.3.250.0090.00918.84
8.3.240.0100.01017.16
8.3.230.0050.01216.54
8.3.220.0110.00717.23
8.3.210.0110.00716.82
8.3.200.0050.00316.73
8.3.190.0090.01017.30
8.3.180.0100.00416.80
8.3.170.0030.01518.91
8.3.160.0090.00916.72
8.3.150.0070.01117.39
8.3.140.0030.00516.73
8.3.130.0080.00016.72
8.3.120.0030.01620.91
8.3.110.0040.00416.87
8.3.100.0100.00716.66
8.3.90.0040.00418.71
8.3.80.0320.00330.84
8.3.70.0310.00330.84
8.3.60.0220.01130.84
8.3.50.0070.01030.84
8.3.40.0240.00730.84
8.3.30.0190.00430.84
8.3.20.0180.00630.84
8.3.10.0190.00330.84
8.3.00.0150.01130.84
8.2.290.0110.00820.19
8.2.280.0100.00818.38
8.2.270.0140.00416.99
8.2.260.0110.00817.46
8.2.250.0090.00018.41
8.2.240.0000.01519.09
8.2.230.0080.00020.94
8.2.220.0080.00824.06
8.2.210.0080.00026.77
8.2.200.0130.01330.84
8.2.190.0200.00730.84
8.2.180.0170.00830.84
8.2.170.0230.00630.84
8.2.160.0100.01430.84
8.2.150.0220.00530.84
8.2.140.0210.00430.84
8.2.130.0160.01230.84
8.2.120.0260.00030.84
8.2.110.0240.00430.84
8.2.100.0220.00030.84
8.2.90.0180.00530.84
8.2.80.0230.00330.84
8.2.70.0260.00430.84
8.2.60.0270.00030.84
8.2.50.0250.00330.84
8.2.40.0220.00730.84
8.2.30.0230.00630.84
8.2.20.0220.01030.84
8.2.10.0190.00830.84
8.2.00.0200.00730.84
8.1.330.0130.00616.85
8.1.320.0110.00716.07
8.1.310.0150.00016.68
8.1.300.0070.00716.18
8.1.290.0180.00630.84
8.1.280.0220.00330.84
8.1.270.0240.00330.84
8.1.260.0220.00630.84
8.1.250.0210.00630.84
8.1.240.0190.00430.84
8.1.230.0270.00330.84
8.1.220.0210.00430.84
8.1.210.0200.00530.84
8.1.200.0170.00630.84
8.1.190.0220.00430.84
8.1.180.0170.00730.84
8.1.170.0110.01130.84
8.1.160.0200.00030.84
8.1.150.0160.00530.84
8.1.140.0210.00430.84
8.1.130.0110.01430.84
8.1.120.0190.00430.84
8.1.110.0210.00330.84
8.1.100.0170.00330.84
8.1.90.0230.00030.84
8.1.80.0150.00530.84
8.1.70.0130.00730.84
8.1.60.0080.02030.84
8.1.50.0180.00430.84
8.1.40.0150.00930.84
8.1.30.0200.00330.84
8.1.20.0190.00530.84
8.1.10.0210.00830.84
8.1.00.0190.00430.84

preferences:
27.23 ms | 403 KiB | 5 Q