3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $a = 'foo'; $array = [&$a]; var_dump($array); $newArray = array_map(function(&$item){ return $item; }, $array); var_dump($newArray);

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)
5.4.250.0040.04412.37
5.4.240.0050.03512.37
5.4.230.0070.04012.36
5.4.220.0050.04312.36
5.4.210.0070.03612.36
5.4.200.0080.04112.36
5.4.190.0070.03512.36
5.4.180.0040.03812.36
5.4.170.0040.03912.36
5.4.160.0050.03612.36
5.4.150.0070.03812.36
5.4.140.0050.03812.04
5.4.130.0070.04112.03
5.4.120.0040.04311.99
5.4.110.0070.04011.98
5.4.100.0050.03811.99
5.4.90.0040.04611.99
5.4.80.0080.04211.99
5.4.70.0050.03511.98
5.4.60.0050.03811.98
5.4.50.0050.04111.99
5.4.40.0050.03611.97
5.4.30.0050.03711.97
5.4.20.0070.03811.96
5.4.10.0050.03411.97
5.4.00.0070.03511.46
5.3.280.0040.04012.71
5.3.270.0040.04012.72
5.3.260.0040.04112.72
5.3.250.0040.03812.72
5.3.240.0050.03812.72
5.3.230.0050.04312.71
5.3.220.0050.04212.68
5.3.210.0070.03812.68
5.3.200.0050.03812.68
5.3.190.0040.03912.68
5.3.180.0040.03912.67
5.3.170.0060.03912.67
5.3.160.0080.04012.67
5.3.150.0070.04212.67
5.3.140.0040.03912.66
5.3.130.0120.04712.66
5.3.120.0070.04712.66
5.3.110.0090.04412.65
5.3.100.0090.03912.12
5.3.90.0090.04112.08
5.3.80.0060.03612.08
5.3.70.0090.03412.07
5.3.60.0070.04312.06
5.3.50.0070.04112.00
5.3.40.0070.04212.00
5.3.30.0050.04211.94
5.3.20.0070.03511.71
5.3.10.0050.03811.67
5.3.00.0070.04011.65
5.2.170.0080.0389.17
5.2.160.0050.0359.16
5.2.150.0060.0329.16
5.2.140.0060.0309.16
5.2.130.0050.0359.12
5.2.120.0070.0379.12
5.2.110.0060.0329.13
5.2.100.0070.0299.12
5.2.90.0050.0299.12
5.2.80.0030.0389.11
5.2.70.0050.0319.11
5.2.60.0060.0359.07
5.2.50.0050.0359.04
5.2.40.0070.0319.01
5.2.30.0040.0328.99
5.2.20.0050.0278.98
5.2.10.0040.0348.90
5.2.00.0050.0308.76
5.1.60.0040.0248.05
5.1.50.0040.0258.05
5.1.40.0020.0278.03
5.1.30.0040.0258.37
5.1.20.0060.0258.40
5.1.10.0040.0268.13
5.1.00.0040.0268.13
5.0.50.0020.0216.60
5.0.40.0040.0186.46
5.0.30.0040.0316.28
5.0.20.0010.0216.25
5.0.10.0020.0216.22
5.0.00.0040.0316.22
4.4.90.0040.0154.78
4.4.80.0020.0154.75
4.4.70.0020.0234.75
4.4.60.0000.0214.75
4.4.50.0030.0164.77
4.4.40.0010.0274.71
4.4.30.0020.0164.76
4.4.20.0020.0154.84
4.4.10.0020.0154.85
4.4.00.0040.0254.76
4.3.110.0030.0204.67
4.3.100.0020.0174.67
4.3.90.0040.0134.63
4.3.80.0020.0274.59
4.3.70.0020.0164.63
4.3.60.0030.0154.62
4.3.50.0040.0154.62
4.3.40.0030.0244.54
4.3.30.0030.0153.28
4.3.20.0020.0163.26
4.3.10.0020.0193.22
4.3.00.0070.0237.19

preferences:
134.2 ms | 1398 KiB | 7 Q