3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new ArrayObject(array(), ArrayObject::ARRAY_AS_PROPS | ArrayObject::STD_PROP_LIST); $obj = array(); var_dump(isset($obj['name']); unset($obj['name']);

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)
5.4.40.0180.04611.97
5.4.30.0160.04711.96
5.4.20.0200.04311.96
5.4.10.0180.04411.96
5.4.00.0150.04711.46
5.3.140.0190.04512.66
5.3.130.0200.04412.65
5.3.120.0200.04612.66
5.3.110.0200.05812.66
5.3.100.0150.04712.12
5.3.90.0190.04412.08
5.3.80.0220.04312.08
5.3.70.0170.04512.07
5.3.60.0130.05012.06
5.3.50.0270.06912.00
5.3.40.0160.04712.00
5.3.30.0210.04011.95
5.3.20.0160.04611.73
5.3.10.0200.03811.69
5.3.00.0190.04311.67

preferences:
135.29 ms | 1394 KiB | 7 Q