3v4l.org

run code in 300+ PHP versions simultaneously
<?php $classDays = [1,3,5]; if($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)
8.3.60.0150.00018.52
8.3.50.0080.00620.11
8.3.40.0100.01018.76
8.3.30.0130.00619.04
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0080.00026.16
8.2.180.0090.00625.92
8.2.170.0130.00718.90
8.2.160.0080.00822.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00318.79
8.2.110.0000.01019.31
8.2.100.0030.00917.72
8.2.90.0000.00819.26
8.2.80.0040.00417.97
8.2.70.0070.00317.75
8.2.60.0000.00917.92
8.2.50.0040.00418.10
8.2.40.0050.00320.40
8.2.30.0040.00419.37
8.2.20.0080.00020.34
8.2.10.0000.00718.05
8.2.00.0030.00519.11
8.1.280.0040.01125.92
8.1.270.0020.00523.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00921.31
8.1.230.0080.00318.99
8.1.220.0000.00817.78
8.1.210.0040.00418.77
8.1.200.0030.00617.38
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0070.00018.89
8.1.160.0000.00918.93
8.1.150.0040.00520.32
8.1.140.0050.00217.29
8.1.130.0040.00418.88
8.1.120.0030.00317.46
8.1.110.0050.00317.36
8.1.100.0040.00417.44
8.1.90.0040.00417.38
8.1.80.0040.00417.50
8.1.70.0060.00317.33
8.1.60.0140.00617.43
8.1.50.0130.00517.47
8.1.40.0130.00417.50
8.1.30.0200.00017.53
8.1.20.0130.00717.51
8.1.10.0140.00717.39
8.1.00.0090.01317.54
8.0.300.0000.00718.77
8.0.290.0030.00616.75
8.0.280.0070.00018.48
8.0.270.0040.00416.80
8.0.260.0000.00718.36
8.0.250.0000.00716.91
8.0.240.0030.00316.95
8.0.230.0080.00016.88
8.0.220.0070.00016.86
8.0.210.0030.00316.84
8.0.200.0080.00816.93
8.0.190.0120.00416.82
8.0.180.0120.00616.87
8.0.170.0100.00516.91
8.0.160.0160.00016.82
8.0.150.0130.00416.77
8.0.140.0080.00816.77
8.0.130.0080.00816.87
8.0.120.0050.01016.89
8.0.110.0170.00016.83
8.0.100.0160.00016.77
8.0.90.0080.00816.86
8.0.80.0080.00416.92
8.0.70.0080.00716.68
8.0.60.0130.00516.85
8.0.50.0050.01116.75
8.0.30.0120.00516.68
8.0.20.0180.00016.95
8.0.10.0150.00217.04
7.4.330.0020.00215.55
7.4.320.0030.00316.53
7.4.300.0050.00516.57
7.4.290.0140.00416.54
7.4.280.0180.00016.50
7.4.270.0140.00316.51
7.4.260.0150.00416.49
7.4.250.0200.00016.55
7.4.240.0060.00616.58
7.4.230.0170.00316.52
7.4.220.0070.00716.48
7.4.210.0080.00816.50
7.4.200.0090.00716.49
7.4.190.0130.00316.54
7.4.180.0130.00316.64
7.4.160.0080.00416.57
7.4.150.0090.00316.58
7.4.140.0040.00816.39
7.4.130.0060.00616.32
7.4.120.0060.00616.35
7.4.110.0000.01216.41
7.4.100.0110.00316.35
7.4.90.0140.00016.47
7.4.80.0120.00316.32
7.4.70.0110.00316.41
7.4.60.0090.00516.41
7.4.50.0130.00016.30
7.4.40.0030.00816.11
7.4.30.0110.00016.48
7.4.20.0080.00316.25
7.4.10.0080.00416.51
7.4.00.0100.00016.57

preferences:
54.53 ms | 404 KiB | 6 Q