3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'Foo', 'bAr' => 'BaR', 'suB' => [ 'a' => 1, 2 => 'b', 'C' => null, ], 'obj' => (object) [ 'd' => 1.333, 'SubArR' => [ 'This' => 'Is', 'a' => 'challenge', ] ] ]; array_walk_recursive( $array, fn(&$v) => $v = is_string($v) ? strtolower($v) : $v ); var_export($array);

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)
8.4.130.0110.01018.75
8.4.120.0070.00224.09
8.4.110.0090.01022.41
8.4.100.0130.00917.92
8.4.90.0120.00918.66
8.4.80.0130.00618.09
8.4.70.0060.01017.79
8.4.60.0120.00719.05
8.4.50.0080.00821.72
8.4.40.0040.00417.75
8.4.30.0110.00718.66
8.4.20.0100.01019.62
8.4.10.0060.00319.52
8.3.260.0050.00416.48
8.3.250.0130.00418.99
8.3.240.0060.00217.38
8.3.230.0110.00716.54
8.3.220.0100.00917.11
8.3.210.0050.00316.74
8.3.200.0050.00316.76
8.3.190.0100.01017.20
8.3.180.0120.00617.16
8.3.170.0040.01119.05
8.3.160.0100.01018.48
8.3.150.0110.00717.20
8.3.140.0060.00316.83
8.3.130.0040.00418.44
8.3.120.0090.00018.97
8.3.110.0030.00616.78
8.3.100.0090.00018.57
8.3.90.0040.00416.60
8.3.80.0360.01330.84
8.3.70.0420.00630.84
8.3.60.0270.01230.84
8.3.50.0070.01330.84
8.3.40.0270.00230.84
8.3.30.0260.00330.84
8.3.20.0330.00330.84
8.3.10.0320.00630.84
8.3.00.0430.00530.84
8.2.290.0100.00920.41
8.2.280.0030.00618.59
8.2.270.0090.00917.17
8.2.260.0080.00018.41
8.2.250.0030.00616.76
8.2.240.0030.00617.43
8.2.230.0030.00620.94
8.2.220.0060.00324.06
8.2.210.0000.00726.77
8.2.200.0330.00630.84
8.2.190.0310.00930.84
8.2.180.0320.00730.84
8.2.170.0290.01230.84
8.2.160.0330.01130.84
8.2.150.0280.01130.84
8.2.140.0370.00330.84
8.2.130.0300.00330.84
8.2.120.0330.00430.84
8.2.110.0230.00830.84
8.2.100.0240.00830.84
8.2.90.0260.00530.84
8.2.80.0260.00430.84
8.2.70.0320.00030.84
8.2.60.0190.00730.84
8.2.50.0260.00530.84
8.2.40.0360.00530.84
8.2.30.0320.00830.84
8.2.20.0320.01030.84
8.2.10.0310.00930.84
8.2.00.0230.00630.84
8.1.330.0090.00923.57
8.1.320.0100.00916.36
8.1.310.0040.00418.63
8.1.300.0160.00020.35
8.1.290.0260.00030.84
8.1.280.0130.00530.84
8.1.270.0220.00530.84
8.1.260.0220.00830.84
8.1.250.0260.00430.84
8.1.240.0270.00230.84
8.1.230.0210.00830.84
8.1.220.0200.01230.84
8.1.210.0260.00130.84
8.1.200.0290.00730.84
8.1.190.0260.00530.84
8.1.180.0280.00330.84
8.1.170.0330.00530.84
8.1.160.0180.00530.84
8.1.150.0290.00930.84
8.1.140.0300.00830.84
8.1.130.0260.00830.84
8.1.120.0290.00930.84
8.1.110.0310.00630.84
8.1.100.0210.00730.84
8.1.90.0260.01330.84
8.1.80.0310.00630.84
8.1.70.0310.00830.84
8.1.60.0370.00830.84
8.1.50.0240.01030.84
8.1.40.0220.01230.84
8.1.30.0320.00830.84
8.1.20.0370.00330.84
8.1.10.0320.00630.84
8.1.00.0310.00830.84

preferences:
45.33 ms | 403 KiB | 5 Q