3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a', 'b', 'c', 'd', 'e', 'f'); $str = implode(array_walk(function(&$v,$k){if($k%3==0)$v.=';';}, array_reverse($arr))); echo $str;

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)
8.3.60.0120.00318.43
8.3.50.0130.00621.98
8.3.40.0110.00718.79
8.3.30.0090.00619.23
8.3.20.0050.00320.07
8.3.10.0080.00020.67
8.3.00.0000.00819.38
8.2.180.0110.00816.75
8.2.170.0070.00722.96
8.2.160.0130.00320.52
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00422.23
8.2.110.0060.00321.99
8.2.100.0060.00318.58
8.1.280.0180.00325.92
8.1.270.0030.00622.03
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00718.59
8.1.230.0060.00318.61
5.4.320.0070.04112.51
5.4.310.0110.04112.52
5.4.300.0070.04812.52
5.4.290.0080.03712.51
5.4.280.0110.03612.41
5.4.270.0090.03612.41
5.4.260.0060.04112.41
5.4.250.0050.04012.40
5.4.240.0010.04012.40
5.4.230.0070.04112.40
5.4.220.0080.03712.40
5.4.210.0080.03412.40
5.4.200.0080.03912.39
5.4.190.0070.04212.39
5.4.180.0080.03912.39
5.4.170.0060.03912.41
5.4.160.0060.04412.40
5.4.150.0070.04112.39
5.4.140.0060.04112.08
5.4.130.0040.04012.07
5.4.120.0110.04612.03
5.4.110.0020.04012.02
5.4.100.0080.03412.02
5.4.90.0080.03912.02
5.4.80.0040.04312.02
5.4.70.0040.03612.02
5.4.60.0020.03812.02
5.4.50.0090.03212.02
5.4.40.0070.03512.01
5.4.30.0060.04012.00
5.4.20.0100.03712.00
5.4.10.0080.04312.00
5.4.00.0030.03811.50
5.3.290.0080.03712.80
5.3.280.0110.04112.71
5.3.270.0060.03912.73
5.3.260.0110.03912.72
5.3.250.0080.03512.72
5.3.240.0080.03712.72
5.3.230.0040.04112.71
5.3.220.0080.03412.68
5.3.210.0060.04412.68
5.3.200.0070.03912.68
5.3.190.0060.04312.68
5.3.180.0070.03912.68
5.3.170.0080.04412.67
5.3.160.0090.04512.68
5.3.150.0050.04012.67
5.3.140.0070.04712.66
5.3.130.0050.03912.66
5.3.120.0040.04312.66
5.3.110.0070.03812.66
5.3.100.0050.04312.12
5.3.90.0080.03912.10
5.3.80.0150.03712.10
5.3.70.0110.04012.10
5.3.60.0080.04012.07
5.3.50.0080.03912.02
5.3.40.0100.04012.02
5.3.30.0090.03611.98
5.3.20.0200.04911.77
5.3.10.0060.03611.73
5.3.00.0100.03111.72
5.2.170.0060.0309.18
5.2.160.0050.0289.18
5.2.150.0060.0299.18
5.2.140.0060.0309.18
5.2.130.0050.0289.14
5.2.120.0040.0329.14
5.2.110.0030.0339.15
5.2.100.0050.0359.14
5.2.90.0080.0299.14
5.2.80.0070.0329.14
5.2.70.0070.0319.14
5.2.60.0070.0299.09
5.2.50.0100.0459.06
5.2.40.0120.0259.04
5.2.30.0090.0359.02
5.2.20.0070.0359.00
5.2.10.0080.0298.92
5.2.00.0040.0338.78
5.1.60.0030.0248.07
5.1.50.0060.0258.07
5.1.40.0050.0288.05
5.1.30.0100.0328.40
5.1.20.0080.0258.42
5.1.10.0060.0258.15
5.1.00.0060.0258.14
5.0.50.0050.0246.62
5.0.40.0030.0206.48
5.0.30.0060.0306.29
5.0.20.0050.0186.26
5.0.10.0060.0206.24
5.0.00.0050.0286.23
4.4.90.0040.0214.77
4.4.80.0040.0144.75
4.4.70.0050.0194.75
4.4.60.0040.0184.76
4.4.50.0040.0154.77
4.4.40.0040.0244.71
4.4.30.0040.0164.75
4.4.20.0020.0164.85
4.4.10.0020.0194.85
4.4.00.0030.0274.76
4.3.110.0040.0154.67
4.3.100.0050.0234.66
4.3.90.0070.0164.63
4.3.80.0030.0244.58
4.3.70.0020.0224.63
4.3.60.0020.0154.63
4.3.50.0030.0174.63
4.3.40.0010.0274.54
4.3.30.0070.0173.29
4.3.20.0030.0153.27
4.3.10.0020.0193.23
4.3.00.0270.02016.39

preferences:
34.7 ms | 401 KiB | 5 Q