3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array("a"=>123); echo isset($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)
5.4.310.0060.03812.49
5.4.300.0120.03812.49
5.4.290.0070.03812.49
5.4.280.0070.03912.39
5.4.270.0050.03712.39
5.4.260.0090.04212.39
5.4.250.0050.03712.39
5.4.240.0100.04512.39
5.4.230.0110.03912.38
5.4.220.0070.03712.38
5.4.210.0060.03412.38
5.4.200.0080.03512.38
5.4.190.0040.03812.38
5.4.180.0030.03912.38
5.4.170.0050.03812.38
5.4.160.0090.03812.38
5.4.150.0060.04112.38
5.4.140.0070.03512.07
5.4.130.0050.03512.05
5.4.120.0090.03412.01
5.4.110.0090.04012.01
5.4.100.0130.03412.01
5.4.90.0070.04012.01
5.4.80.0080.03512.01
5.4.70.0090.03112.01
5.4.60.0100.03912.01
5.4.50.0070.03812.01
5.4.40.0040.04011.99
5.4.30.0040.03711.99
5.4.20.0030.03811.98
5.4.10.0080.04011.99
5.4.00.0080.03911.49
5.3.280.0040.04512.71
5.3.270.0080.04012.72
5.3.260.0080.04412.71
5.3.250.0070.03512.72
5.3.240.0130.03512.72
5.3.230.0090.03412.71
5.3.220.0070.03512.68
5.3.210.0040.04112.68
5.3.200.0060.03612.68
5.3.190.0110.03212.68
5.3.180.0100.03512.67
5.3.170.0070.03512.66
5.3.160.0110.03612.67
5.3.150.0080.03812.68
5.3.140.0060.03812.66
5.3.130.0090.04412.66
5.3.120.0050.04312.66
5.3.110.0040.04012.66
5.3.100.0060.03712.12
5.3.90.0090.03212.08
5.3.80.0090.03412.08
5.3.70.0090.03312.07
5.3.60.0100.03212.07
5.3.50.0080.03412.00
5.3.40.0040.03712.00
5.3.30.0060.04311.95
5.3.20.0050.03511.72
5.3.10.0050.03511.70
5.3.00.0070.04111.69
5.2.170.0050.0359.18
5.2.160.0060.0329.18
5.2.150.0080.0279.18
5.2.140.0040.0349.18
5.2.130.0070.0269.14
5.2.120.0070.0339.14
5.2.110.0060.0379.14
5.2.100.0080.0309.14
5.2.90.0050.0319.14
5.2.80.0050.0309.14
5.2.70.0060.0349.14
5.2.60.0050.0299.09
5.2.50.0080.0359.06
5.2.40.0070.0359.03
5.2.30.0050.0299.02
5.2.20.0030.0309.00
5.2.10.0070.0268.93
5.2.00.0070.0268.78
5.1.60.0000.0278.07
5.1.50.0050.0238.06
5.1.40.0030.0258.04
5.1.30.0040.0348.40
5.1.20.0050.0338.41
5.1.10.0060.0348.14
5.1.00.0060.0238.14
5.0.50.0020.0226.62
5.0.40.0050.0216.48
5.0.30.0020.0326.29
5.0.20.0030.0206.27
5.0.10.0020.0216.24
5.0.00.0030.0316.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0030.0224.75
4.4.60.0010.0234.75
4.4.50.0010.0174.77
4.4.40.0030.0254.71
4.4.30.0040.0144.76
4.4.20.0040.0144.84
4.4.10.0040.0194.85
4.4.00.0040.0244.75
4.3.110.0060.0124.67
4.3.100.0010.0164.66
4.3.90.0020.0204.63
4.3.80.0040.0274.58
4.3.70.0050.0174.63
4.3.60.0030.0144.63
4.3.50.0010.0174.63
4.3.40.0030.0244.54
4.3.30.0010.0173.28
4.3.20.0020.0153.26
4.3.10.0010.0203.21
4.3.00.0000.01712.97

preferences:
143.89 ms | 1394 KiB | 7 Q