3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($unset = false) { static $bar = 'bar'; echo $bar; if ($unset) { unset($bar); } } foo(); foo(unset); foo();

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)
5.4.250.0090.04512.38
5.4.240.0070.04612.38
5.4.230.0050.04112.38
5.4.220.0080.03812.38
5.4.210.0070.03412.38
5.4.200.0100.03812.38
5.4.190.0050.04112.38
5.4.180.0030.04112.38
5.4.170.0050.03612.38
5.4.160.0050.03612.38
5.4.150.0080.03612.38
5.4.140.0050.04212.06
5.4.130.0060.03912.04
5.4.120.0090.03512.01
5.4.110.0050.04012.01
5.4.100.0080.03412.01
5.4.90.0070.04112.01
5.4.80.0100.04012.01
5.4.70.0060.03812.01
5.4.60.0040.04112.00
5.4.50.0080.03612.00
5.4.40.0060.03511.99
5.4.30.0060.03911.98
5.4.20.0090.04311.98
5.4.10.0100.04911.98
5.4.00.0110.04711.48
5.3.280.0100.04312.71
5.3.270.0060.04012.72
5.3.260.0110.04312.72
5.3.250.0070.04512.72
5.3.240.0070.03912.72
5.3.230.0050.04112.71
5.3.220.0090.03612.68
5.3.210.0060.03912.68
5.3.200.0090.03812.68
5.3.190.0070.04212.68
5.3.180.0060.04312.67
5.3.170.0100.04112.67
5.3.160.0080.03612.67
5.3.150.0050.04112.67
5.3.140.0070.03912.66
5.3.130.0090.04312.66
5.3.120.0070.04012.66
5.3.110.0080.04212.66
5.3.100.0090.04912.12
5.3.90.0050.03812.09
5.3.80.0050.03712.08
5.3.70.0050.04312.08
5.3.60.0090.04012.06
5.3.50.0050.04112.01
5.3.40.0050.03912.01
5.3.30.0070.03811.96
5.3.20.0100.03911.74
5.3.10.0050.04211.70
5.3.00.0070.03811.68
5.2.170.0060.0379.19
5.2.160.0040.0329.20
5.2.150.0060.0309.20
5.2.140.0080.0329.19
5.2.130.0040.0329.15
5.2.120.0070.0279.15
5.2.110.0050.0329.16
5.2.100.0050.0359.16
5.2.90.0050.0309.16
5.2.80.0070.0329.14
5.2.70.0050.0309.14
5.2.60.0050.0299.10
5.2.50.0060.0309.07
5.2.40.0040.0359.04
5.2.30.0050.0369.02
5.2.20.0050.0299.01
5.2.10.0040.0308.92
5.2.00.0050.0338.78
5.1.60.0070.0278.06
5.1.50.0060.0288.06
5.1.40.0070.0318.05
5.1.30.0060.0318.39
5.1.20.0060.0298.42
5.1.10.0050.0258.14
5.1.00.0040.0268.14
5.0.50.0050.0196.62
5.0.40.0040.0196.48
5.0.30.0040.0326.30
5.0.20.0050.0236.26
5.0.10.0020.0236.24
5.0.00.0030.0326.23
4.4.90.0040.0164.78
4.4.80.0050.0164.75
4.4.70.0030.0194.75
4.4.60.0020.0204.76
4.4.50.0020.0234.77
4.4.40.0030.0304.71
4.4.30.0020.0204.76
4.4.20.0040.0184.85
4.4.10.0040.0184.85
4.4.00.0050.0274.76
4.3.110.0020.0204.67
4.3.100.0050.0154.67
4.3.90.0030.0154.63
4.3.80.0040.0284.59
4.3.70.0040.0164.63
4.3.60.0020.0184.63
4.3.50.0050.0174.63
4.3.40.0030.0254.54
4.3.30.0020.0173.29
4.3.20.0020.0183.27
4.3.10.0010.0183.23
4.3.00.0130.0236.74

preferences:
151.01 ms | 1394 KiB | 7 Q