3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('articletext' => "") $test = isset($array['articletext']);

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)
5.4.40.0200.04811.98
5.4.30.0160.04011.97
5.4.20.0150.04711.97
5.4.10.0170.03811.97
5.4.00.0140.04111.46
5.3.140.0140.04312.66
5.3.130.0180.04312.66
5.3.120.0150.04412.66
5.3.110.0230.05512.66
5.3.100.0160.04312.12
5.3.90.0180.04412.08
5.3.80.0170.04412.08
5.3.70.0150.04312.08
5.3.60.0200.05612.06
5.3.50.0210.04812.00
5.3.40.0200.04012.00
5.3.30.0140.04211.95
5.3.20.0150.04411.73
5.3.10.0140.04111.69
5.3.00.0130.04211.67

preferences:
139.92 ms | 1394 KiB | 7 Q