3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(); $array[null] = 1; $array[null] = 2 var_dump($array);

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)
5.4.40.0100.06716.41
5.4.30.0030.07716.46
5.4.20.0100.03316.46
5.4.10.0030.07716.31
5.4.00.0030.05715.69
5.3.140.0030.04314.49
5.3.130.0130.06714.48
5.3.120.0030.06014.49
5.3.110.0130.07314.43
5.3.100.0130.07013.83
5.3.90.0130.06713.95
5.3.80.0070.04014.11
5.3.70.0100.06714.11
5.3.60.0070.04313.98
5.3.50.0100.06713.76
5.3.40.0100.07013.96
5.3.30.0100.05313.85
5.3.20.0030.04013.51
5.3.10.0070.07013.59
5.3.00.0070.04013.61

preferences:
145.23 ms | 1394 KiB | 7 Q