3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tree = [ '' => function () { return [ 1 ]; }, 1 => function () { return [ 2, 3, 4 ]; }, 2 => function () { return [ 5, 6 ]; }, 3 => function () { return [ 7, 8 ]; }, ]; $queue = new \SplQueue(); $queue->enqueue([ '', 0 ]); while ( ! $queue->isEmpty() ) { [ $parent, $level ] = $queue->dequeue(); echo str_repeat(' ', $level) . $parent . PHP_EOL; $children = isset($tree[ $parent ]) ? $tree[ $parent ]() : []; foreach ( $children as $child ) { $queue->enqueue([ $child, $level + 1 ]); } }

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)
8.5.00.0030.00622.90
8.4.150.0010.00114.05
8.4.140.0190.00617.49
8.4.130.0090.00818.79
8.4.120.0120.00824.31
8.4.110.0130.00718.82
8.4.100.0110.00918.79
8.4.90.0120.00820.70
8.4.80.0140.00719.58
8.4.70.0070.00417.73
8.4.60.0120.00818.90
8.4.50.0080.01218.97
8.4.40.0030.00622.45
8.4.30.0000.00820.30
8.4.20.0110.00717.75
8.4.10.0140.00723.91
8.3.280.0140.01018.31
8.3.270.0130.00816.13
8.3.260.0110.00816.77
8.3.250.0100.00919.13
8.3.240.0050.00317.16
8.3.230.0070.00216.83
8.3.220.0100.00518.99
8.3.210.0130.00718.41
8.3.200.0080.00116.60
8.3.190.0120.00517.25
8.3.180.0130.00616.83
8.3.170.0040.01417.23
8.3.160.0070.00718.47
8.3.150.0190.00020.82
8.3.140.0000.00817.48
8.3.130.0150.00318.34
8.3.120.0040.00418.82
8.3.110.0100.00020.94
8.3.100.0080.00024.06
8.3.90.0040.01126.77
8.3.80.0120.00018.43
8.3.70.0100.01016.73
8.3.60.0160.00016.50
8.3.50.0100.01020.08
8.3.40.0040.01121.93
8.3.30.0100.01018.71
8.3.20.0000.00824.18
8.3.10.0080.00624.66
8.3.00.0040.00426.16
8.2.290.0100.00820.24
8.2.280.0100.00918.05
8.2.270.0070.01117.31
8.2.260.0120.00316.72
8.2.250.0090.00016.51
8.2.240.0110.00719.23
8.2.230.0100.00722.58
8.2.220.0030.00637.54
8.2.210.0110.00826.77
8.2.200.0000.00916.75
8.2.190.0170.00316.58
8.2.180.0100.01025.92
8.2.170.0090.01218.91
8.2.160.0030.01722.96
8.2.150.0070.00025.66
8.2.140.0060.00924.66
8.2.130.0160.00326.16
8.2.120.0040.00426.16
8.2.110.0120.00920.09
8.2.100.0050.00517.97
8.2.90.0050.00517.75
8.2.80.0030.00518.82
8.2.70.0040.00417.61
8.2.60.0000.00817.63
8.2.50.0050.00317.98
8.2.40.0080.00018.34
8.2.30.0030.00518.13
8.2.20.0060.00320.35
8.2.10.0000.00718.13
8.2.00.0030.00519.25
8.1.330.0100.00922.10
8.1.320.0050.00415.82
8.1.310.0030.00518.13
8.1.300.0000.00918.30
8.1.290.0000.00930.84
8.1.280.0090.00625.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0030.00617.36
8.1.230.0110.00018.95
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0000.00817.22
8.1.180.0030.00618.10
8.1.170.0080.00017.62
8.1.160.0000.00718.95
8.1.150.0000.00718.64
8.1.140.0000.00717.44
8.1.130.0030.00318.88
8.1.120.0070.00017.48
8.1.110.0000.00817.30
8.1.100.0000.00717.45
8.1.90.0080.00017.36
8.1.80.0040.00517.39
8.1.70.0040.01017.24
8.1.60.0130.00417.51
8.1.50.0150.00517.42
8.1.40.0110.00617.48
8.1.30.0080.00717.53
8.1.20.0150.00517.56
8.1.10.0160.00817.49
8.1.00.0170.00217.48
8.0.300.0050.00218.77
8.0.290.0040.00417.18
8.0.280.0040.00418.36
8.0.270.0040.00416.81
8.0.260.0000.00618.44
8.0.250.0000.00716.94
8.0.240.0040.00416.95
8.0.230.0040.00416.87
8.0.220.0070.00016.91
8.0.210.0090.00716.74
8.0.200.0080.00716.90
8.0.190.0140.00316.80
8.0.180.0140.00416.76
8.0.170.0100.00816.90
8.0.160.0140.00416.75
8.0.150.0140.00416.73
8.0.140.0130.00416.79
8.0.130.0150.00316.78
8.0.120.0140.00316.88
8.0.110.0110.00616.88
8.0.100.0120.00416.84
8.0.90.0110.00616.88
8.0.80.0100.00816.85
8.0.70.0150.00316.82
8.0.60.0110.00716.78
8.0.50.0140.00316.81
8.0.30.0100.00316.69
8.0.20.0050.00816.73
8.0.10.0070.00616.87
7.4.330.0000.00615.55
7.4.320.0030.00316.57
7.4.300.0080.00716.46
7.4.290.0090.00416.45
7.4.280.0080.00916.57
7.4.270.0110.00716.51
7.4.260.0100.00416.44
7.4.250.0140.00116.55
7.4.240.0080.00416.47
7.4.230.0080.00316.61
7.4.220.0060.00416.52
7.4.210.0050.00616.54
7.4.200.0030.00716.48
7.4.190.0080.00416.65
7.4.180.0060.00516.62
7.4.160.0090.00216.53
7.4.150.0080.00216.46
7.4.140.0060.00816.36
7.4.130.0080.00616.48
7.4.120.0090.00416.47
7.4.110.0080.00216.52
7.4.100.0090.00516.41
7.4.90.0050.00416.36
7.4.80.0080.00416.45
7.4.70.0100.00316.50
7.4.60.0110.00216.38
7.4.50.0030.00816.20
7.4.40.0060.00416.40
7.4.30.0050.00616.33
7.4.20.0080.00216.37
7.4.10.0050.00516.36
7.4.00.0080.00116.38

preferences:
33.14 ms | 403 KiB | 5 Q