3v4l.org

run code in 300+ PHP versions simultaneously
<?php function cluster($array) { $array = array_reverse($array); foreach($array as $element) { $newarray = isset($newarray) ? [$newarray] : [$newarray]; } return $newarray; } var_dump(cluster(['A', 'B', 'C', 'D','E','F','G','H','I']);

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)
5.4.340.0050.04412.03
5.4.320.0070.03412.52
5.4.310.0060.03712.51
5.4.300.0070.03912.52
5.4.290.0060.03612.52
5.4.280.0060.04012.41
5.4.270.0040.03612.41
5.4.260.0050.03712.41
5.4.250.0050.03612.41
5.4.240.0110.03612.41
5.4.230.0060.04112.41
5.4.220.0090.03412.41
5.4.210.0070.03712.40
5.4.200.0070.03512.41
5.4.190.0080.03412.40
5.4.180.0060.03912.40
5.4.170.0090.03312.41
5.4.160.0060.03612.40
5.4.150.0060.03912.39
5.4.140.0050.03912.09
5.4.130.0060.03412.07
5.4.120.0090.03012.03
5.4.110.0050.03412.03
5.4.100.0050.03512.03
5.4.90.0080.03412.03
5.4.80.0040.03812.03
5.4.70.0090.03012.02
5.4.60.0060.03312.03
5.4.50.0030.03612.02
5.4.40.0050.04012.02
5.4.30.0050.03512.01
5.4.20.0050.03512.01
5.4.10.0070.04112.01
5.4.00.0070.03411.50
5.3.290.0070.03912.80
5.3.280.0070.03612.71
5.3.270.0050.04312.72
5.3.260.0050.04012.72
5.3.250.0030.03812.72
5.3.240.0070.03512.72
5.3.230.0060.03712.71
5.3.220.0060.03712.68
5.3.210.0060.04012.68
5.3.200.0080.04212.68
5.3.190.0030.03912.68
5.3.180.0060.03512.67
5.3.170.0070.03512.66
5.3.160.0060.03712.68
5.3.150.0020.04312.67
5.3.140.0040.03812.66
5.3.130.0050.03912.65
5.3.120.0060.03712.66
5.3.110.0050.04612.66
5.3.100.0040.03712.13
5.3.90.0090.04312.11
5.3.80.0040.03912.09
5.3.70.0050.03712.09
5.3.60.0070.04312.08
5.3.50.0040.03612.02
5.3.40.0030.03712.02
5.3.30.0060.04011.98
5.3.20.0090.03111.76
5.3.10.0060.03411.74
5.3.00.0030.03811.72
5.2.170.0060.0329.21
5.2.160.0070.0279.21
5.2.150.0050.0369.22
5.2.140.0060.0289.21
5.2.130.0040.0319.18
5.2.120.0020.0309.18
5.2.110.0040.0299.18
5.2.100.0050.0339.18
5.2.90.0060.0289.18
5.2.80.0050.0289.18
5.2.70.0040.0309.17
5.2.60.0050.0289.13
5.2.50.0050.0299.09
5.2.40.0050.0279.07
5.2.30.0030.0309.05
5.2.20.0030.0299.04
5.2.10.0040.0288.95
5.2.00.0070.0268.80
5.1.60.0040.0248.09
5.1.50.0050.0248.09
5.1.40.0050.0248.07
5.1.30.0030.0278.42
5.1.20.0030.0278.44
5.1.10.0040.0258.17
5.1.00.0030.0258.17
5.0.50.0040.0196.64
5.0.40.0030.0196.50
5.0.30.0020.0316.32
5.0.20.0050.0206.28
5.0.10.0020.0206.26
5.0.00.0030.0306.25
4.4.90.0020.0154.77
4.4.80.0020.0154.76
4.4.70.0030.0154.76
4.4.60.0020.0154.76
4.4.50.0040.0174.77
4.4.40.0030.0244.71
4.4.30.0040.0134.76
4.4.20.0060.0114.85
4.4.10.0050.0134.84
4.4.00.0030.0244.76
4.3.110.0030.0174.67
4.3.100.0030.0164.67
4.3.90.0030.0134.63
4.3.80.0030.0234.58
4.3.70.0020.0154.63
4.3.60.0050.0194.62
4.3.50.0050.0184.63
4.3.40.0020.0244.54
4.3.30.0010.0163.30
4.3.20.0020.0153.27
4.3.10.0040.0133.25
4.3.00.0030.0207.21

preferences:
136.86 ms | 1394 KiB | 7 Q