3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo { use Foo\Foo as Bar; class Baz extends Bar { } } namespace Foo { use Foo\Foo2 as Bar; class Bar { } class 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)
7.2.90.1180.00614.43
7.2.80.0170.00614.51
7.2.70.0320.00914.77
7.2.60.0370.00714.67
7.2.50.0810.01414.96
7.2.40.1410.01014.71
7.2.30.0880.00714.91
7.2.20.1170.00614.92
7.2.10.1120.00714.50
7.2.00.1520.01414.65
7.1.210.0130.00813.62
7.1.200.0160.00213.43
7.1.190.0350.01413.42
7.1.180.0100.00613.39
7.1.170.1020.01013.25
7.1.160.1230.00313.51
7.1.150.0950.00313.91
7.1.140.0960.00713.70
7.1.130.1060.00313.78
7.1.120.1160.00613.33
7.1.110.0940.00313.43
7.1.100.0110.01113.49
7.1.90.1100.00713.21
7.1.80.1210.00713.46
7.1.70.1040.00313.33
7.1.60.0930.01231.61
7.1.50.0340.00931.71
7.1.40.1260.01031.77
7.1.30.0270.01031.73
7.1.20.0240.01831.63
7.1.10.0120.00413.45
7.1.00.0270.00713.40
7.0.310.1100.00013.14
7.0.300.0530.00713.25
7.0.290.1060.01013.34
7.0.280.0920.00313.39
7.0.270.1350.00013.26
7.0.260.1160.00613.32
7.0.250.1070.00613.21
7.0.240.0510.00613.38
7.0.230.1390.00313.42
7.0.220.1070.00613.46
7.0.210.0920.00713.54
7.0.200.0910.00613.20
7.0.190.0850.00313.41
7.0.180.0070.01413.29
7.0.170.0990.00713.26
7.0.160.0390.00713.11
7.0.150.1190.01313.05
7.0.140.0340.00313.16
7.0.130.0100.00713.31
7.0.120.0870.00713.25
7.0.110.1040.00313.32
7.0.100.0630.00913.22
7.0.90.0920.00613.51
7.0.80.0430.00913.57
7.0.70.0200.00313.17
7.0.60.0080.00813.42
7.0.50.1200.00713.21
7.0.40.0280.00413.57
7.0.30.0130.01013.64
7.0.20.1150.00613.41
7.0.10.0850.01013.18
7.0.00.0800.00913.64

preferences:
142.58 ms | 1394 KiB | 7 Q