PHP Manual: FETCH

FETCH_W


<?php
/*
 * Fetch the value of the varible of "name" to assign it to a variable?  Write-only?
 * opcode number: 83
 */
$x = 1;
$a = 'x';
$$a = 2;
?>

Function name: (null)

Compiled variables: !0=$x, !1=$a

line	#	op	fetch	return	operands
6	0	ASSIGN			!0,1
7	1	ASSIGN			!1,'x'
8	2	FETCH_W	local	$2	!1
	3	ASSIGN			$2,2
9	4	RETURN			1