Online PHP editor | refs for CEhOI

<?php fclose(STDIN); list(list(,$b_tmp,$j,,$c), list($u_tmp1,,,,$o_tmp1,$w,,$sp,,,$p), list(,,,$a,$y), list(,$t,$r,$i,$n,$g), list($d,$o,$u,$b,$l,$e), list($_), list($input)) = array_merge( array_map( function ($i) { return str_split(gettype($i)); }, array(new stdClass,STDIN,array(),session_id(),PHP_INT_MAX+(int)STDIN) ), (array)@key(get_defined_vars())[(int)null], (array)'也韶鶲ほ齧韆', ); echo implode(array_map( function($i) use ($b_tmp){ return chr(ord($i)-($b_tmp=ord(ucfirst($b_tmp)))-$b_tmp); }, str_split(call_user_func( ++$l.$b.$_.$c.$o.$n.++$u_tmp1.$e.$r.$t.$_.$e.$n.$c.$o.$d.$i.$n.$g, $input, $e.$u.$c.chr(dechex(ord(ucfirst($e)))).++$i.++$o_tmp1, $a.$u.$t.$o )) ));