3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = array('item1' => 'object1', 'item2' => 'object2', 'item-n' => 'object-n'); $output = implode(', ', array_map(function ($v, $k) { return $k . '=' . $v; }, $input, array_keys($input))); echo$input

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)
5.4.340.0050.03512.03
5.4.320.0080.03912.52
5.4.310.0040.03812.52
5.4.300.0040.03712.52
5.4.290.0060.03712.51
5.4.280.0080.04212.41
5.4.270.0060.03812.41
5.4.260.0050.04112.41
5.4.250.0070.03512.41
5.4.240.0030.03812.41
5.4.230.0040.03812.40
5.4.220.0060.03512.40
5.4.210.0050.03612.40
5.4.200.0060.03612.40
5.4.190.0040.03712.40
5.4.180.0060.03912.39
5.4.170.0060.03912.40
5.4.160.0050.03912.40
5.4.150.0070.03812.39
5.4.140.0090.04212.09
5.4.130.0050.03612.07
5.4.120.0060.03612.04
5.4.110.0100.04212.03
5.4.100.0050.03912.04
5.4.90.0090.03312.03
5.4.80.0050.03712.03
5.4.70.0040.03512.03
5.4.60.0020.03912.02
5.4.50.0060.03712.03
5.4.40.0070.04312.02
5.4.30.0040.03812.01
5.4.20.0050.03512.00
5.4.10.0080.03712.01
5.4.00.0110.03411.50
5.3.290.0070.03812.80
5.3.280.0080.03812.71
5.3.270.0100.04312.72
5.3.260.0060.04212.72
5.3.250.0040.03812.72
5.3.240.0050.04512.71
5.3.230.0040.03912.71
5.3.220.0070.03512.68
5.3.210.0060.03812.68
5.3.200.0050.03812.68
5.3.190.0080.03512.68
5.3.180.0050.03612.67
5.3.170.0050.03912.67
5.3.160.0100.04012.68
5.3.150.0100.03512.67
5.3.140.0070.03412.66
5.3.130.0060.03812.66
5.3.120.0050.03812.66
5.3.110.0040.04612.66
5.3.100.0060.04012.12
5.3.90.0030.03912.11
5.3.80.0070.03512.10
5.3.70.0060.03612.09
5.3.60.0090.03212.08
5.3.50.0060.03512.02
5.3.40.0020.03912.03
5.3.30.0070.03311.98
5.3.20.0080.03211.77
5.3.10.0040.03611.73
5.3.00.0100.03111.72
5.2.170.0040.0309.18
5.2.160.0060.0279.18
5.2.150.0070.0319.18
5.2.140.0050.0399.19
5.2.130.0060.0279.14
5.2.120.0060.0269.14
5.2.110.0050.0279.14
5.2.100.0050.0279.14
5.2.90.0040.0299.14
5.2.80.0030.0319.14
5.2.70.0020.0329.14
5.2.60.0040.0319.09
5.2.50.0040.0319.07
5.2.40.0040.0299.04
5.2.30.0050.0309.02
5.2.20.0040.0309.01
5.2.10.0050.0288.92
5.2.00.0060.0288.79
5.1.60.0030.0258.07
5.1.50.0020.0268.07
5.1.40.0030.0258.04
5.1.30.0040.0268.39
5.1.20.0030.0278.41
5.1.10.0060.0278.14
5.1.00.0050.0258.14
5.0.50.0040.0206.62
5.0.40.0020.0206.48
5.0.30.0040.0306.29
5.0.20.0050.0176.26
5.0.10.0050.0186.24
5.0.00.0020.0316.23
4.4.90.0030.0284.78
4.4.80.0020.0164.75
4.4.70.0030.0154.76
4.4.60.0020.0164.75
4.4.50.0050.0134.77
4.4.40.0030.0244.71
4.4.30.0020.0164.76
4.4.20.0050.0134.84
4.4.10.0040.0154.85
4.4.00.0010.0274.76
4.3.110.0030.0154.67
4.3.100.0020.0234.66
4.3.90.0020.0174.63
4.3.80.0020.0294.59
4.3.70.0040.0204.63
4.3.60.0020.0164.63
4.3.50.0030.0194.63
4.3.40.0020.0304.54
4.3.30.0030.0223.28
4.3.20.0030.0143.27
4.3.10.0000.0173.23
4.3.00.0000.01713.37

preferences:
141.91 ms | 1394 KiB | 7 Q