fetch-obj-rw-Phpdoc专题

FETCH_OBJ_RW

<?php
/*
 * Fetch the "prop-name" property value of this object.
 * opcode number: 88
 */
$x = new A();
$a = 'x';
$$a->num++;
?>

Function name: (null)

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

line	#	op	fetch	ext	return	operands
6	0	ZEND_FETCH_CLASS			:0	'A'
	1	NEW			$1	:0
	2	DO_FCALL_BY_NAME		0
	3	ASSIGN				!0,$1
7	4	ASSIGN				!1,'x'
8	5	FETCH_RW	local		$5	!1
	6	ZEND_POST_INC_OBJ			~7	$5,'num'
	7	FREE				~7
9	8	RETURN				1