3v4l.org

run code in 300+ PHP versions simultaneously
<?php $classDays = ''; if($classDays[0] == '') { $classDaysD = 'Online'; } else { if (in_array(1, $classDays)) { $classDaysD = 'M'; } if (in_array(2,$classDays)) { $classDaysD .= ' T'; } if (in_array(3,$classDays)) { $classDaysD .= ' W'; } if (in_array(4,$classDays)) { $classDaysD .= ' Th'; } if (in_array(5,$classDays)) { $classDaysD .= ' F'; } if (in_array(6,$classDays)) { $classDaysD .= ' S'; } if (in_array(7,$classDays)) { $classDaysD .= ' Su'; } if ($classDaysD == '') { $classDaysD = 'M & W'; } } echo $classDaysD;

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)
8.3.60.0070.01116.50
8.3.50.0100.01320.02
8.3.40.0110.00418.71
8.3.30.0110.00419.04
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.180.0040.01125.92
8.2.170.0210.00018.95
8.2.160.0100.00722.96
8.2.150.0080.00025.66
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00320.99
8.2.110.0100.00020.27
8.2.100.0030.00620.39
8.1.280.0060.00925.92
8.1.270.0030.00623.99
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0090.00018.62
8.1.230.0090.00318.56
7.4.300.0050.00516.56

preferences:
42.84 ms | 400 KiB | 5 Q