3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('foo', 'bar'); $b = array('baz'); $c = array($a, $b); var_dump(array_reduce($c, function ($a, $b) { return array_merge($a, $b); }, 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)
5.4.320.0080.03912.52
5.4.310.0070.04312.52
5.4.300.0080.04012.52
5.4.290.0070.04212.51
5.4.280.0060.04112.41
5.4.270.0070.04012.41
5.4.260.0080.04112.41
5.4.250.0090.04112.41
5.4.240.0070.03912.41
5.4.230.0070.04112.40
5.4.220.0080.03912.40
5.4.210.0070.03912.40
5.4.200.0070.03812.40
5.4.190.0080.03512.40
5.4.180.0070.03612.40
5.4.170.0070.03712.41
5.4.160.0070.03912.40
5.4.150.0070.03812.40
5.4.140.0060.03912.09
5.4.130.0080.03412.07
5.4.120.0060.03612.03
5.4.110.0040.03812.03
5.4.100.0050.03612.03
5.4.90.0080.03512.03
5.4.80.0060.03912.03
5.4.70.0070.03512.03
5.4.60.0060.03612.02
5.4.50.0060.03612.03
5.4.40.0080.03312.01
5.4.30.0050.03712.01
5.4.20.0040.03812.01
5.4.10.0070.03412.01
5.4.00.0070.03511.50
5.3.290.0070.04412.80
5.3.280.0080.03912.71
5.3.270.0080.03912.73
5.3.260.0050.04012.72
5.3.250.0080.03812.72
5.3.240.0070.03812.72
5.3.230.0080.03712.71
5.3.220.0090.03612.68
5.3.210.0070.04012.68
5.3.200.0090.03412.68
5.3.190.0080.03612.68
5.3.180.0060.03712.67
5.3.170.0070.03612.67
5.3.160.0050.03812.67
5.3.150.0070.03612.67
5.3.140.0070.04012.66
5.3.130.0090.03812.66
5.3.120.0060.04112.66
5.3.110.0060.04012.66
5.3.100.0070.03712.13
5.3.90.0080.03412.10
5.3.80.0050.03712.10
5.3.70.0060.03812.09
5.3.60.0060.03712.08
5.3.50.0050.03812.02
5.3.40.0070.03612.02
5.3.30.0060.03511.98
5.3.20.0080.03511.77
5.3.10.0060.03411.73
5.3.00.0060.03911.72
5.2.170.0060.0319.18
5.2.160.0060.0299.19
5.2.150.0050.0339.18
5.2.140.0040.0359.18
5.2.130.0050.0289.14
5.2.120.0050.0289.14
5.2.110.0040.0309.15
5.2.100.0050.0329.14
5.2.90.0060.0339.14
5.2.80.0080.0309.14
5.2.70.0050.0329.14
5.2.60.0060.0309.09
5.2.50.0060.0299.06
5.2.40.0050.0299.04
5.2.30.0060.0289.01
5.2.20.0050.0299.00
5.2.10.0060.0288.92
5.2.00.0040.0348.78
5.1.60.0040.0258.07
5.1.50.0040.0278.07
5.1.40.0060.0278.05
5.1.30.0080.0248.40
5.1.20.0060.0268.42
5.1.10.0050.0258.14
5.1.00.0060.0258.14
5.0.50.0050.0196.62
5.0.40.0030.0196.48
5.0.30.0040.0306.30
5.0.20.0050.0196.26
5.0.10.0050.0206.24
5.0.00.0050.0296.23
4.4.90.0020.0164.78
4.4.80.0030.0164.76
4.4.70.0040.0174.75
4.4.60.0020.0174.76
4.4.50.0050.0144.77
4.4.40.0020.0264.71
4.4.30.0040.0154.76
4.4.20.0030.0174.84
4.4.10.0030.0154.85
4.4.00.0040.0254.76
4.3.110.0040.0154.67
4.3.100.0040.0154.66
4.3.90.0040.0144.63
4.3.80.0020.0254.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0030.0154.62
4.3.40.0050.0224.54
4.3.30.0020.0163.28
4.3.20.0020.0163.26
4.3.10.0020.0163.22
4.3.00.0000.01716.31

preferences:
141.55 ms | 1386 KiB | 7 Q