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)
5.4.320.0090.03612.46
5.4.310.0040.04012.46
5.4.300.0050.03612.47
5.4.290.0080.03412.46
5.4.280.0070.03412.36
5.4.270.0040.03812.36
5.4.260.0060.04212.36
5.4.250.0050.03812.36
5.4.240.0050.03712.36
5.4.230.0070.03612.36
5.4.220.0060.03712.35
5.4.210.0050.03612.36
5.4.200.0090.03312.35
5.4.190.0050.03612.35
5.4.180.0090.03212.35
5.4.170.0060.03612.36
5.4.160.0090.03312.35
5.4.150.0070.03512.35
5.4.140.0090.03512.04
5.4.130.0060.03512.02
5.4.120.0040.03611.99
5.4.110.0060.03511.98
5.4.100.0040.03711.98
5.4.90.0030.03911.98
5.4.80.0030.03911.98
5.4.70.0060.03411.98
5.4.60.0040.03511.98
5.4.50.0090.03611.98
5.4.40.0040.03611.96
5.4.30.0050.03511.96
5.4.20.0060.03411.96
5.4.10.0060.03311.96
5.4.00.0060.03511.46
5.3.290.0050.04012.80
5.3.280.0050.03812.71
5.3.270.0040.04012.72
5.3.260.0090.03612.72
5.3.250.0040.04012.72
5.3.240.0090.03312.72
5.3.230.0050.04112.71
5.3.220.0050.03712.68
5.3.210.0100.03312.68
5.3.200.0050.03712.68
5.3.190.0080.03412.68
5.3.180.0070.03412.68
5.3.170.0060.03612.67
5.3.160.0080.03312.67
5.3.150.0060.03612.67
5.3.140.0070.04012.66
5.3.130.0040.04012.66
5.3.120.0070.03712.66
5.3.110.0080.03512.66
5.3.100.0040.03812.12
5.3.90.0070.04512.08
5.3.80.0060.03712.08
5.3.70.0070.03812.07
5.3.60.0060.03712.06
5.3.50.0090.03412.00
5.3.40.0030.03912.00
5.3.30.0070.03411.95
5.3.20.0030.03811.73
5.3.10.0040.03611.70
5.3.00.0060.03711.69
5.2.170.0070.0289.18
5.2.160.0030.0309.18
5.2.150.0050.0319.19
5.2.140.0050.0299.18
5.2.130.0030.0309.14
5.2.120.0030.0299.14
5.2.110.0050.0289.15
5.2.100.0050.0279.14
5.2.90.0080.0259.14
5.2.80.0040.0309.14
5.2.70.0050.0299.14
5.2.60.0050.0299.09
5.2.50.0020.0329.06
5.2.40.0040.0299.04
5.2.30.0050.0299.01
5.2.20.0020.0319.01
5.2.10.0050.0278.92
5.2.00.0020.0318.78
5.1.60.0040.0248.07
5.1.50.0040.0258.07
5.1.40.0040.0248.05
5.1.30.0060.0248.39
5.1.20.0020.0298.42
5.1.10.0050.0258.14
5.1.00.0050.0258.15
5.0.50.0020.0236.63
5.0.40.0030.0206.48
5.0.30.0030.0336.30
5.0.20.0010.0216.26
5.0.10.0020.0216.24
5.0.00.0030.0346.23
4.4.90.0010.0164.77
4.4.80.0040.0134.75
4.4.70.0020.0154.75
4.4.60.0040.0144.75
4.4.50.0020.0164.77
4.4.40.0000.0274.70
4.4.30.0020.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0010.0294.75
4.3.110.0040.0174.67
4.3.100.0020.0154.66
4.3.90.0010.0164.63
4.3.80.0030.0234.58
4.3.70.0020.0154.63
4.3.60.0020.0154.62
4.3.50.0020.0234.63
4.3.40.0020.0254.54
4.3.30.0020.0163.29
4.3.20.0030.0143.27
4.3.10.0040.0133.22
4.3.00.0030.01715.96

preferences:
139.86 ms | 1394 KiB | 7 Q