3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array(8,4,1,9,5,7,3,2,6,0); function merge_sort($list){ if(count($list) <= 1) { return $list; } $middle = count($list)/2; $left = merge_sort(array_slice($list, 0, $middle)); $right = merge_sort(array_slice($list, $middle; count($list))); print_r(array_merge($left, $right)); } merge_sort($data);

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)
5.4.310.0050.03712.52
5.4.300.0050.03612.52
5.4.290.0060.04612.51
5.4.280.0070.03312.41
5.4.270.0050.03712.41
5.4.260.0020.04212.41
5.4.250.0070.04212.41
5.4.240.0050.04012.41
5.4.230.0050.03812.40
5.4.220.0040.03712.40
5.4.210.0090.03112.40
5.4.200.0060.03612.40
5.4.190.0030.04312.40
5.4.180.0050.03512.40
5.4.170.0040.03612.41
5.4.160.0020.03812.40
5.4.150.0060.03412.40
5.4.140.0040.03712.09
5.4.130.0080.03712.07
5.4.120.0050.03412.04
5.4.110.0090.03312.03
5.4.100.0020.03912.03
5.4.90.0050.03712.03
5.4.80.0040.03712.03
5.4.70.0060.03412.03
5.4.60.0070.03212.03
5.4.50.0030.03712.02
5.4.40.0070.03312.01
5.4.30.0060.03512.02
5.4.20.0060.03312.00
5.4.10.0020.04412.01
5.4.00.0050.03711.50
5.3.280.0050.03712.71
5.3.270.0080.03512.73
5.3.260.0070.03612.72
5.3.250.0070.04312.72
5.3.240.0040.04212.72
5.3.230.0090.03412.71
5.3.220.0090.03312.68
5.3.210.0090.03512.68
5.3.200.0080.03512.68
5.3.190.0080.03912.68
5.3.180.0110.03212.67
5.3.170.0060.03812.67
5.3.160.0010.04412.67
5.3.150.0070.03512.67
5.3.140.0050.04312.66
5.3.130.0060.03812.66
5.3.120.0050.03912.65
5.3.110.0040.04012.66
5.3.100.0040.03812.12
5.3.90.0030.03712.11
5.3.80.0040.03712.10
5.3.70.0060.03512.10
5.3.60.0080.03312.08
5.3.50.0050.03612.03
5.3.40.0040.03712.04
5.3.30.0090.03711.99
5.3.20.0060.04111.77
5.3.10.0060.03411.74
5.3.00.0070.04011.72
5.2.170.0040.0319.22
5.2.160.0010.0329.22
5.2.150.0060.0379.23
5.2.140.0050.0299.22
5.2.130.0050.0279.18
5.2.120.0040.0309.18
5.2.110.0050.0289.18
5.2.100.0030.0359.18
5.2.90.0040.0349.18
5.2.80.0040.0369.18
5.2.70.0060.0289.18
5.2.60.0050.0299.13
5.2.50.0040.0329.11
5.2.40.0050.0339.08
5.2.30.0060.0339.05
5.2.20.0050.0289.04
5.2.10.0080.0248.95
5.2.00.0050.0338.82
5.1.60.0030.0258.10
5.1.50.0050.0248.09
5.1.40.0060.0228.07
5.1.30.0040.0298.41
5.1.20.0060.0288.44
5.1.10.0070.0358.17
5.1.00.0080.0308.17
5.0.50.0030.0216.65
5.0.40.0030.0266.51
5.0.30.0030.0316.31
5.0.20.0010.0226.29
5.0.10.0050.0186.26
5.0.00.0050.0316.26
4.4.90.0030.0164.78
4.4.80.0010.0174.75
4.4.70.0030.0184.75
4.4.60.0030.0154.76
4.4.50.0020.0154.77
4.4.40.0030.0324.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0040.0144.85
4.4.00.0040.0234.76
4.3.110.0020.0164.67
4.3.100.0040.0144.66
4.3.90.0030.0144.63
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0040.0134.63
4.3.40.0010.0304.54
4.3.30.0010.0173.30
4.3.20.0020.0163.28
4.3.10.0020.0153.25
4.3.00.0070.0177.12

preferences:
134.37 ms | 1394 KiB | 7 Q