run code in 200+ php & hhvm versions
Bugs & Features
<?php class foo { public function &__call($foo, $bar) { static $cnt = 0; $cnt++; return $cnt; } } $f = new foo(); $a = $f->bar(); var_dump($a); $a =& $f->bar(); var_dump($a); $a++; $b = $f->bar(); var_dump($b);

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