3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump('http://YmloLmx5/'+1+(ll+ll-ll)l(1<<1)+1l+(1<<1)+((''.constructor)+')l(1<<4)-(1<<1)l+'zK'+((lll+lll+ll)1<<1l));

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)
7.0.20.0300.06320.30
7.0.10.0170.04320.17
7.0.00.0030.04720.12
5.6.170.0330.07320.55
5.6.160.0000.09320.58
5.6.150.0070.08718.29
5.6.140.0100.04718.23
5.6.130.0100.07718.15
5.6.120.0170.07021.14
5.6.110.0030.07320.88
5.6.100.0030.07021.10
5.6.90.0000.04321.09
5.6.80.0170.07320.50
5.5.310.0270.07320.23
5.5.300.0100.04318.03
5.5.290.0100.07717.97
5.5.280.0100.07020.75
5.5.270.0100.04720.83
5.5.260.0100.06320.79
5.5.250.0030.04320.79
5.5.240.0000.08020.25

preferences:
140.5 ms | 1394 KiB | 7 Q