3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val = [ ]; $ternary = $val['exists'] ?: 'no-tern'; $nullCo = $val['exists'] ?? : 'no-null'; var_dump($ternary, $nullCo);

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)
5.6.150.0130.07718.23
5.6.140.0000.04718.28
5.6.130.0130.06718.19
5.6.120.0100.05020.89
5.6.110.0000.07020.88
5.6.100.0000.09021.13
5.6.90.0030.04021.09
5.6.80.0130.05720.32
5.5.300.0170.07017.91
5.5.290.0070.05017.93
5.5.280.0030.06320.84
5.5.270.0100.07020.73
5.5.260.0100.04020.64
5.5.250.0070.07320.65
5.5.240.0170.02720.15

preferences:
140.94 ms | 1394 KiB | 7 Q