3v4l.org

run code in 300+ PHP versions simultaneously
<?php usort(array('a', 'b', 'c', 'd'), 'some_sort_function'); function some_sort_function($a, $b) { static $foo = NULL; if ($foo === NULL) { $foo = 'bar'; echo "just once?\n"; } return 0; }

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)
8.3.60.0120.00616.75
8.3.50.0110.00622.85
8.3.40.0070.00718.83
8.3.30.0000.01419.21
8.3.20.0060.00320.16
8.3.10.0000.00723.65
8.3.00.0040.00419.26
8.2.180.0000.01516.75
8.2.170.0070.00722.96
8.2.160.0100.00320.57
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00421.04
8.2.110.0090.00022.13
8.2.100.0030.00618.77
8.1.280.0090.00625.92
8.1.270.0080.00023.68
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00318.47
8.1.230.0060.00318.45
5.4.320.0040.04512.46
5.4.310.0080.03612.46
5.4.300.0030.03912.46
5.4.290.0050.03912.46
5.4.280.0060.03612.36
5.4.270.0090.03312.36
5.4.260.0060.03812.36
5.4.250.0080.03512.36
5.4.240.0060.03712.36
5.4.230.0040.03912.35
5.4.220.0060.03512.35
5.4.210.0060.03512.35
5.4.200.0040.03812.35
5.4.190.0100.04512.34
5.4.180.0080.03312.35
5.4.170.0020.03912.36
5.4.160.0060.03512.36
5.4.150.0050.03612.35
5.4.140.0040.03812.03
5.4.130.0050.03612.02
5.4.120.0070.03411.98
5.4.110.0080.03311.98
5.4.100.0090.03111.97
5.4.90.0090.03411.98
5.4.80.0070.04211.97
5.4.70.0050.03511.97
5.4.60.0040.03511.98
5.4.50.0060.03511.97
5.4.40.0060.03411.96
5.4.30.0060.03411.96
5.4.20.0030.03711.96
5.4.10.0100.03111.95
5.4.00.0060.03611.45
5.3.290.0090.03512.80
5.3.280.0070.03912.71
5.3.270.0090.03512.72
5.3.260.0080.04312.72
5.3.250.0080.03912.72
5.3.240.0050.03912.72
5.3.230.0080.03712.71
5.3.220.0050.03712.68
5.3.210.0120.03812.68
5.3.200.0060.03612.68
5.3.190.0050.03712.68
5.3.180.0080.03312.67
5.3.170.0040.03912.67
5.3.160.0020.04112.68
5.3.150.0060.03812.68
5.3.140.0040.03912.66
5.3.130.0050.04012.66
5.3.120.0060.04012.66
5.3.110.0090.03712.66
5.3.100.0120.03812.12
5.3.90.0060.04312.09
5.3.80.0070.03612.07
5.3.70.0050.03612.08
5.3.60.0090.03312.06
5.3.50.0070.04012.00
5.3.40.0090.04812.00
5.3.30.0050.05211.94
5.3.20.0060.03711.72
5.3.10.0060.03411.69
5.3.00.0050.03611.67
5.2.170.0040.0319.18
5.2.160.0050.0329.18
5.2.150.0060.0299.18
5.2.140.0070.0339.17
5.2.130.0060.0419.13
5.2.120.0050.0319.14
5.2.110.0050.0309.14
5.2.100.0060.0289.14
5.2.90.0030.0319.14
5.2.80.0040.0329.14
5.2.70.0070.0299.14
5.2.60.0020.0339.09
5.2.50.0050.0389.05
5.2.40.0100.0319.04
5.2.30.0110.0449.01
5.2.20.0080.0359.00
5.2.10.0050.0328.92
5.2.00.0040.0328.78
5.1.60.0030.0288.06
5.1.50.0070.0328.05
5.1.40.0070.0318.04
5.1.30.0060.0368.39
5.1.20.0050.0278.41
5.1.10.0060.0258.14
5.1.00.0050.0268.14
5.0.50.0030.0226.61
5.0.40.0050.0186.48
5.0.30.0050.0306.29
5.0.20.0030.0226.26
5.0.10.0050.0226.23
5.0.00.0030.0406.23
4.4.90.0030.0214.77
4.4.80.0030.0214.76
4.4.70.0000.0224.76
4.4.60.0020.0164.75
4.4.50.0040.0184.77
4.4.40.0020.0294.71
4.4.30.0000.0224.76
4.4.20.0040.0184.84
4.4.10.0030.0174.85
4.4.00.0020.0264.76
4.3.110.0030.0194.67
4.3.100.0040.0214.67
4.3.90.0030.0144.64
4.3.80.0060.0254.58
4.3.70.0050.0154.63
4.3.60.0030.0184.63
4.3.50.0040.0184.63
4.3.40.0030.0254.54
4.3.30.0010.0193.28
4.3.20.0040.0193.25
4.3.10.0020.0163.22
4.3.00.0100.01015.62

preferences:
33.81 ms | 401 KiB | 5 Q