Php/docs/internals2.opcodes.fetch-obj-func-arg

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• Opcode Descriptions and Examples
• FETCH_OBJ_FUNC_ARG

FETCH_OBJ_FUNC_ARG

PHP code

<?php/* *  * opcode number: 94 */include './classA.php';function foo(&$x){  print($x);}$z = "foo";$obj = new A();print $obj->num;$z($obj->num);?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$z, !1=$obj

line	#	op	fetch	ext	return	operands
6	0	INCLUDE_OR_EVAL				'.%2FclassA.php',INCLUDE
8	1	NOP
13	2	ASSIGN				!0,'foo'
15	3	ZEND_FETCH_CLASS			:2	'A'
	4	NEW			$3	:2
	5	DO_FCALL_BY_NAME		0
	6	ASSIGN				!1,$3
16	7	FETCH_OBJ_R			$6	!1,'num'
	8	PRINT			~7	$6
	9	FREE				~7
17	10	INIT_FCALL_BY_NAME				!0
	11	FETCH_OBJ_FUNC_ARG			$8	!1,'num'
	12	SEND_VAR				$8
	13	DO_FCALL_BY_NAME		1
19	14	RETURN				1

Function name: foo

Compiled variables: !0=$x

line	#	op	fetch	ext	return	operands
8	0	RECV				1
10	1	PRINT			~0	!0
	2	FREE				~0
11	3	RETURN				null

Function name: foo

Compiled variables: !0=$x

line	#	op	fetch	ext	return	operands
8	0	RECV				1
10	1	PRINT			~0	!0
	2	FREE				~0
11	3	RETURN				null