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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 1; $c = $a + $a++; var_dump($c); // int(3) $a = 1; $c = $a + $a + $a++; var_dump($c); // int(3) $a = 1; $c = $a + $a++ + $a; var_dump($c); // int(3)
based on FlCvu
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
int(3) int(3) int(5)