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<?php $a = array("a", "b", "c"); next($a); var_dump(current($a)); $b = $a; var_dump(current($b)); function by_copy($c) { var_dump(current($c)); } by_copy($a); function by_ref(&$d) { var_dump(current($d)); } by_ref($a);

preferences:
46.04 ms | 402 KiB | 5 Q