3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = ["a"=>123]; echo $test["a"] ? $test["a"]*2 : "Not Set.";

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)
5.4.310.0050.03912.49
5.4.300.0060.03712.50
5.4.290.0040.04612.49
5.4.280.0050.03512.39
5.4.270.0050.03812.39
5.4.260.0080.04012.39
5.4.250.0070.03812.39
5.4.240.0090.03312.39
5.4.230.0040.03912.38
5.4.220.0110.03512.38
5.4.210.0060.03512.38
5.4.200.0030.04112.38
5.4.190.0070.03912.38
5.4.180.0030.03912.38
5.4.170.0060.03812.38
5.4.160.0050.03612.38
5.4.150.0050.03612.38
5.4.140.0080.03712.07
5.4.130.0060.03512.05
5.4.120.0060.03412.01
5.4.110.0080.03212.01
5.4.100.0050.03512.01
5.4.90.0040.03912.01
5.4.80.0070.03612.01
5.4.70.0050.03812.00
5.4.60.0050.03612.00
5.4.50.0050.03512.01
5.4.40.0040.03512.00
5.4.30.0060.04112.00
5.4.20.0050.03611.98
5.4.10.0090.03611.99
5.4.00.0040.03811.48
5.3.280.0090.03412.71
5.3.270.0050.04112.72
5.3.260.0070.04112.72
5.3.250.0050.03712.72
5.3.240.0060.03912.72
5.3.230.0060.03812.71
5.3.220.0040.03912.68
5.3.210.0070.03912.68
5.3.200.0060.03712.68
5.3.190.0060.03712.68
5.3.180.0070.04212.67
5.3.170.0020.04512.66
5.3.160.0050.04112.68
5.3.150.0080.03512.67
5.3.140.0040.03712.66
5.3.130.0060.03812.65
5.3.120.0070.03712.66
5.3.110.0060.04212.66
5.3.100.0070.03912.12
5.3.90.0070.03612.09
5.3.80.0110.04112.07
5.3.70.0070.03412.07
5.3.60.0090.03212.06
5.3.50.0080.03412.00
5.3.40.0040.03912.00
5.3.30.0060.03511.95
5.3.20.0080.03811.72
5.3.10.0050.04111.70
5.3.00.0050.03711.68
5.2.170.0060.0299.18
5.2.160.0060.0309.18
5.2.150.0050.0309.18
5.2.140.0040.0319.18
5.2.130.0050.0329.14
5.2.120.0040.0299.14
5.2.110.0070.0309.14
5.2.100.0050.0349.14
5.2.90.0030.0399.14
5.2.80.0060.0299.14
5.2.70.0060.0289.14
5.2.60.0050.0299.09
5.2.50.0040.0329.05
5.2.40.0040.0289.04
5.2.30.0060.0279.02
5.2.20.0020.0309.01
5.2.10.0040.0288.93
5.2.00.0080.0258.78
5.1.60.0060.0228.07
5.1.50.0020.0278.07
5.1.40.0030.0268.05
5.1.30.0030.0278.40
5.1.20.0040.0278.42
5.1.10.0060.0248.14
5.1.00.0070.0238.14
5.0.50.0010.0236.63
5.0.40.0050.0186.48
5.0.30.0060.0426.29
5.0.20.0040.0236.27
5.0.10.0030.0206.23
5.0.00.0060.0336.23
4.4.90.0020.0164.78
4.4.80.0020.0164.75
4.4.70.0050.0134.76
4.4.60.0020.0164.76
4.4.50.0040.0144.77
4.4.40.0020.0274.71
4.4.30.0020.0164.76
4.4.20.0010.0174.85
4.4.10.0020.0224.85
4.4.00.0010.0344.76
4.3.110.0020.0164.67
4.3.100.0070.0144.67
4.3.90.0020.0164.64
4.3.80.0060.0254.58
4.3.70.0010.0224.63
4.3.60.0030.0164.63
4.3.50.0020.0174.63
4.3.40.0030.0244.54
4.3.30.0020.0163.29
4.3.20.0010.0173.26
4.3.10.0010.0173.22
4.3.00.0270.0176.82

preferences:
141.88 ms | 1394 KiB | 7 Q