PHP Manual: SEND

SEND_REF


<?php
/*
 * Pass the reference value as an actual parameter to a function.  DO_FCALL follows.
 * opcode number: 67
 */
@each($input);
?>

Function name: (null)

Compiled variables: none

line	#	op	fetch	ext	return	operands
6	0	BEGIN_SILENCE			~0
	1	FETCH_W	local		$1	'input'
	2	SEND_REF				$1
	3	DO_FCALL		1		'each'
	4	END_SILENCE				~0
7	5	RETURN				1