3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('1','1'); echo count($a); $c = count($a) - 1; echo $a[$c]

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)
5.4.320.0090.04312.47
5.4.310.0030.04012.46
5.4.300.0060.04112.47
5.4.290.0030.04412.47
5.4.280.0080.03712.36
5.4.270.0060.03512.36
5.4.260.0090.03912.36
5.4.250.0090.03812.36
5.4.240.0100.04112.36
5.4.230.0020.04012.35
5.4.220.0060.03712.36
5.4.210.0090.04212.35
5.4.200.0080.04912.35
5.4.190.0050.03612.35
5.4.180.0070.03912.35
5.4.170.0100.03312.36
5.4.160.0070.03412.35
5.4.150.0090.03112.35
5.4.140.0070.03812.04
5.4.130.0070.03412.02
5.4.120.0040.03811.98
5.4.110.0050.04111.98
5.4.100.0040.04211.98
5.4.90.0090.03311.98
5.4.80.0060.03511.98
5.4.70.0070.03311.98
5.4.60.0050.03511.98
5.4.50.0030.03711.98
5.4.40.0080.03211.97
5.4.30.0060.03411.96
5.4.20.0090.03611.96
5.4.10.0060.03211.96
5.4.00.0070.03611.46
5.3.290.0020.04312.80
5.3.280.0060.03612.71
5.3.270.0070.04212.72
5.3.260.0080.03912.72
5.3.250.0120.03612.72
5.3.240.0030.03912.72
5.3.230.0090.03612.71
5.3.220.0040.03712.68
5.3.210.0050.04212.68
5.3.200.0070.03412.68
5.3.190.0070.03912.68
5.3.180.0070.03612.67
5.3.170.0080.03412.67
5.3.160.0040.03812.68
5.3.150.0050.03812.68
5.3.140.0060.03612.66
5.3.130.0070.03712.66
5.3.120.0070.03712.66
5.3.110.0050.03712.66
5.3.100.0060.03812.12
5.3.90.0050.04012.09
5.3.80.0040.04112.08
5.3.70.0060.03912.08
5.3.60.0070.03412.06
5.3.50.0050.03612.00
5.3.40.0040.03912.00
5.3.30.0030.03711.95
5.3.20.0080.03811.73
5.3.10.0040.03611.70
5.3.00.0040.03711.68
5.2.170.0040.0339.19
5.2.160.0040.0319.18
5.2.150.0060.0389.18
5.2.140.0020.0329.18
5.2.130.0050.0299.14
5.2.120.0080.0269.14
5.2.110.0040.0309.15
5.2.100.0040.0289.14
5.2.90.0030.0379.14
5.2.80.0050.0299.14
5.2.70.0040.0309.14
5.2.60.0030.0309.09
5.2.50.0000.0349.07
5.2.40.0040.0289.04
5.2.30.0030.0309.01
5.2.20.0050.0299.00
5.2.10.0070.0298.93
5.2.00.0040.0298.78
5.1.60.0040.0238.07
5.1.50.0040.0318.07
5.1.40.0040.0248.05
5.1.30.0050.0278.39
5.1.20.0060.0348.42
5.1.10.0040.0358.14
5.1.00.0050.0248.14
5.0.50.0020.0276.63
5.0.40.0030.0196.48
5.0.30.0030.0306.29
5.0.20.0060.0156.26
5.0.10.0040.0186.24
5.0.00.0030.0296.23
4.4.90.0020.0174.78
4.4.80.0020.0164.75
4.4.70.0020.0194.76
4.4.60.0010.0164.75
4.4.50.0040.0154.77
4.4.40.0020.0254.71
4.4.30.0040.0174.76
4.4.20.0020.0154.84
4.4.10.0020.0154.85
4.4.00.0010.0264.76
4.3.110.0050.0134.67
4.3.100.0050.0134.66
4.3.90.0030.0164.63
4.3.80.0020.0244.58
4.3.70.0030.0134.63
4.3.60.0020.0144.62
4.3.50.0030.0154.63
4.3.40.0000.0264.54
4.3.30.0030.0143.28
4.3.20.0010.0163.27
4.3.10.0020.0153.22
4.3.00.0000.02015.96

preferences:
164.09 ms | 1394 KiB | 7 Q