3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('key' => 'value'); //array_map(function($k, $v){var_dump($k, $v);}, array_keys($arr), $arr); array_map(function(&$a){ var_dump(key($a)); }, &$arr);

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)
5.4.310.0090.03412.52
5.4.300.0070.03612.52
5.4.290.0080.03812.51
5.4.280.0080.03912.41
5.4.270.0050.04212.41
5.4.260.0090.04912.41
5.4.250.0110.04712.40
5.4.240.0060.04412.41
5.4.230.0060.03812.39
5.4.220.0050.03612.39
5.4.210.0030.03812.39
5.4.200.0060.04512.39
5.4.190.0060.03512.39
5.4.180.0080.04112.39
5.4.170.0070.04512.40
5.4.160.0090.04812.40
5.4.150.0120.03912.40
5.4.140.0060.03912.08
5.4.130.0050.03812.07
5.4.120.0100.03112.03
5.4.110.0060.03812.02
5.4.100.0040.03912.02
5.4.90.0100.03412.02
5.4.80.0090.03412.02
5.4.70.0040.04712.02
5.4.60.0070.04012.02
5.4.50.0080.03612.02
5.4.40.0050.03512.00
5.4.30.0070.03712.00
5.4.20.0070.03512.00
5.4.10.0060.04312.00
5.4.00.0060.04511.49
5.3.290.0060.03812.80
5.3.280.0080.04212.70
5.3.270.0070.03812.72
5.3.260.0060.03812.72
5.3.250.0070.03812.72
5.3.240.0070.03712.72
5.3.230.0080.03612.71
5.3.220.0070.03712.68
5.3.210.0060.03812.68
5.3.200.0080.03512.68
5.3.190.0080.03812.67
5.3.180.0050.03712.67
5.3.170.0100.03312.67
5.3.160.0130.04112.67
5.3.150.0070.03912.67
5.3.140.0080.03812.66
5.3.130.0090.03612.66
5.3.120.0060.04312.66
5.3.110.0070.04612.66
5.3.100.0080.04712.12
5.3.90.0050.03912.09
5.3.80.0050.03912.11
5.3.70.0080.03412.09
5.3.60.0080.03612.08
5.3.50.0040.03912.02
5.3.40.0080.04112.02
5.3.30.0060.03711.98
5.3.20.0060.03611.76
5.3.10.0060.04411.73
5.3.00.0060.04311.71
5.2.170.0030.0359.18
5.2.160.0030.0319.18
5.2.150.0060.0319.18
5.2.140.0070.0309.18
5.2.130.0080.0299.14
5.2.120.0040.0349.14
5.2.110.0050.0319.14
5.2.100.0090.0329.14
5.2.90.0060.0319.14
5.2.80.0040.0329.14
5.2.70.0030.0329.14
5.2.60.0070.0279.09
5.2.50.0060.0289.06
5.2.40.0060.0369.04
5.2.30.0040.0449.02
5.2.20.0030.0319.00
5.2.10.0050.0328.92
5.2.00.0040.0308.78
5.1.60.0030.0258.07
5.1.50.0030.0378.06
5.1.40.0060.0278.04
5.1.30.0050.0258.40
5.1.20.0060.0268.42
5.1.10.0050.0268.14
5.1.00.0080.0278.14
5.0.50.0030.0286.63
5.0.40.0030.0206.48
5.0.30.0040.0316.29
5.0.20.0040.0186.27
5.0.10.0030.0216.24
5.0.00.0030.0316.23
4.4.90.0030.0154.78
4.4.80.0020.0164.75
4.4.70.0040.0164.75
4.4.60.0020.0164.75
4.4.50.0010.0174.77
4.4.40.0030.0254.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0020.0174.85
4.4.00.0030.0254.76
4.3.110.0020.0184.67
4.3.100.0040.0184.67
4.3.90.0020.0154.64
4.3.80.0030.0244.58
4.3.70.0020.0184.63
4.3.60.0000.0174.63
4.3.50.0020.0174.63
4.3.40.0010.0274.54
4.3.30.0020.0203.29
4.3.20.0020.0163.27
4.3.10.0020.0203.22
4.3.00.0130.0207.82

preferences:
135.26 ms | 1394 KiB | 7 Q