3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input_array = [['a', 'b', 'c'], ['d', 'e', 'f']]; array_walk(&$input_array, function($element) { return join(',',$element); }); var_dump($input_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)
5.4.320.0040.03812.46
5.4.310.0050.03812.46
5.4.300.0030.03912.46
5.4.290.0050.03912.46
5.4.280.0020.04012.36
5.4.270.0050.03712.36
5.4.260.0040.03912.36
5.4.250.0020.04012.36
5.4.240.0030.03812.36
5.4.230.0040.03912.35
5.4.220.0050.03612.35
5.4.210.0040.03612.35
5.4.200.0060.03612.35
5.4.190.0030.03812.34
5.4.180.0070.03412.35
5.4.170.0030.04012.36
5.4.160.0040.03712.35
5.4.150.0060.04012.35
5.4.140.0040.03812.03
5.4.130.0040.03712.02
5.4.120.0060.03411.98
5.4.110.0030.03711.97
5.4.100.0090.03111.98
5.4.90.0050.03811.98
5.4.80.0040.03811.97
5.4.70.0060.03311.97
5.4.60.0050.03511.97
5.4.50.0010.03911.97
5.4.40.0060.03611.96
5.4.30.0090.03111.96
5.4.20.0060.03411.96
5.4.10.0050.03511.96
5.4.00.0020.03911.45
5.3.290.0060.04012.80
5.3.280.0060.03712.71
5.3.270.0100.04012.72
5.3.260.0030.04212.72
5.3.250.0090.03312.72
5.3.240.0080.04012.72
5.3.230.0030.03912.71
5.3.220.0030.03912.68
5.3.210.0050.03912.68
5.3.200.0050.03712.68
5.3.190.0040.04012.68
5.3.180.0020.04012.68
5.3.170.0060.03712.67
5.3.160.0060.03612.68
5.3.150.0040.03812.68
5.3.140.0050.03712.66
5.3.130.0050.03912.66
5.3.120.0040.04612.66
5.3.110.0090.03612.66
5.3.100.0060.03612.11
5.3.90.0080.03412.09
5.3.80.0060.03712.07
5.3.70.0030.04212.07
5.3.60.0030.03912.06
5.3.50.0050.04012.00
5.3.40.0060.03712.00
5.3.30.0040.03511.95
5.3.20.0030.03711.73
5.3.10.0040.03611.70
5.3.00.0070.03511.68
5.2.170.0020.0379.18
5.2.160.0030.0329.18
5.2.150.0050.0309.18
5.2.140.0060.0299.18
5.2.130.0030.0339.14
5.2.120.0060.0399.14
5.2.110.0050.0399.15
5.2.100.0070.0389.15
5.2.90.0070.0389.14
5.2.80.0080.0349.14
5.2.70.0040.0319.14
5.2.60.0040.0309.09
5.2.50.0050.0299.05
5.2.40.0030.0339.03
5.2.30.0030.0319.02
5.2.20.0060.0279.00
5.2.10.0060.0268.93
5.2.00.0060.0288.78
5.1.60.0020.0308.07
5.1.50.0010.0278.07
5.1.40.0080.0258.05
5.1.30.0040.0258.40
5.1.20.0020.0288.42
5.1.10.0030.0278.14
5.1.00.0060.0268.14
5.0.50.0040.0206.62
5.0.40.0030.0196.48
5.0.30.0030.0316.30
5.0.20.0020.0206.27
5.0.10.0030.0216.23
5.0.00.0020.0346.23
4.4.90.0020.0164.78
4.4.80.0020.0154.75
4.4.70.0020.0164.75
4.4.60.0030.0164.75
4.4.50.0010.0184.77
4.4.40.0020.0264.71
4.4.30.0040.0144.76
4.4.20.0040.0154.84
4.4.10.0020.0164.85
4.4.00.0030.0254.76
4.3.110.0040.0144.67
4.3.100.0050.0134.66
4.3.90.0010.0224.63
4.3.80.0010.0274.59
4.3.70.0010.0164.63
4.3.60.0030.0144.63
4.3.50.0040.0154.63
4.3.40.0030.0244.54
4.3.30.0040.0193.29
4.3.20.0020.0213.26
4.3.10.0030.0203.22
4.3.00.0100.00715.62

preferences:
147.63 ms | 1394 KiB | 7 Q