Online PHP editor | refs for KsUZv

<?php function ReturnArray() { return array('a' => 'f', 'b' => 'g', 'c' => 'h', 'd' => 'i', 'e' => 'j'); } echo ${!${!1}=ReturnArray()}['a']; echo "\n---\n"; var_export(${''}); echo "\n---\n"; var_export($GLOBALS['']); echo "\n---\n"; echo ${''}['a']; echo "\n---\n"; echo $GLOBALS['']['a'];