3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = str_split('This is a string!'); $i = 0; var_dump(array_map(function($val, $key) { return ($key % 2 ? $val : null); }, $string));

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)
5.4.310.0110.04412.51
5.4.300.0050.03912.52
5.4.290.0090.03412.51
5.4.280.0100.04212.41
5.4.270.0090.03812.41
5.4.260.0050.03812.41
5.4.250.0070.03712.41
5.4.240.0050.04612.41
5.4.230.0070.04212.40
5.4.220.0050.03712.40
5.4.210.0060.03912.40
5.4.200.0090.03712.40
5.4.190.0030.03812.40
5.4.180.0040.03712.40
5.4.170.0050.03612.40
5.4.160.0080.03912.40
5.4.150.0060.03412.39
5.4.140.0060.03512.09
5.4.130.0080.03212.07
5.4.120.0030.03612.03
5.4.110.0060.03312.03
5.4.100.0080.03112.03
5.4.90.0060.03912.03
5.4.80.0050.04012.03
5.4.70.0060.03312.03
5.4.60.0040.03712.03
5.4.50.0080.03612.03
5.4.40.0040.03512.02
5.4.30.0050.03412.01
5.4.20.0040.04512.00
5.4.10.0060.03312.01
5.4.00.0040.04211.50
5.3.290.0060.04412.80
5.3.280.0040.04812.71
5.3.270.0090.04112.73
5.3.260.0050.04212.72
5.3.250.0060.03612.72
5.3.240.0070.03512.71
5.3.230.0070.04112.71
5.3.220.0030.03812.68
5.3.210.0060.04512.68
5.3.200.0080.03412.68
5.3.190.0070.03612.67
5.3.180.0080.03312.67
5.3.170.0050.03712.67
5.3.160.0080.03412.68
5.3.150.0070.03412.68
5.3.140.0050.03812.66
5.3.130.0030.04112.66
5.3.120.0060.04212.66
5.3.110.0050.03812.66
5.3.100.0070.03412.13
5.3.90.0040.03812.10
5.3.80.0070.03512.09
5.3.70.0070.04212.09
5.3.60.0060.03412.08
5.3.50.0070.03812.02
5.3.40.0060.04412.02
5.3.30.0050.03612.00
5.3.20.0060.03511.76
5.3.10.0050.03411.73
5.3.00.0040.04211.72
5.2.170.0090.0369.18
5.2.160.0050.0299.18
5.2.150.0010.0339.18
5.2.140.0080.0279.18
5.2.130.0060.0299.14
5.2.120.0080.0339.14
5.2.110.0020.0309.15
5.2.100.0020.0359.14
5.2.90.0070.0259.14
5.2.80.0050.0339.14
5.2.70.0050.0299.14
5.2.60.0010.0349.09
5.2.50.0030.0309.06
5.2.40.0060.0319.04
5.2.30.0020.0319.02
5.2.20.0040.0379.01
5.2.10.0050.0388.92
5.2.00.0080.0248.78
5.1.60.0030.0318.07
5.1.50.0040.0308.06
5.1.40.0040.0298.04
5.1.30.0080.0248.40
5.1.20.0040.0258.42
5.1.10.0060.0228.14
5.1.00.0010.0278.14
5.0.50.0070.0256.63
5.0.40.0040.0186.48
5.0.30.0040.0296.29
5.0.20.0040.0186.26
5.0.10.0030.0206.24
5.0.00.0030.0326.23
4.4.90.0030.0144.78
4.4.80.0030.0184.75
4.4.70.0060.0234.75
4.4.60.0030.0144.75
4.4.50.0030.0164.77
4.4.40.0040.0264.71
4.4.30.0050.0174.76
4.4.20.0020.0154.84
4.4.10.0010.0174.85
4.4.00.0040.0234.76
4.3.110.0020.0154.67
4.3.100.0030.0144.66
4.3.90.0030.0144.63
4.3.80.0060.0254.58
4.3.70.0040.0124.63
4.3.60.0040.0144.63
4.3.50.0020.0194.63
4.3.40.0040.0264.54
4.3.30.0020.0153.29
4.3.20.0040.0143.26
4.3.10.0050.0123.22
4.3.00.0030.01715.92

preferences:
141.92 ms | 1394 KiB | 7 Q