php 한글 메뉴얼 도움말 검색 사이트 FE_FETCH [internals2.opcodes.fe-fetch]

FE_FETCH

PHP code


<?php
/*
 * Fetch an element from iterator.  If no element is available, jump to address.  Followed by OP_DATA?
 * opcode number: 78
 */
$a = array(1,2,3);
foreach($a as $num){
    print $num;
}
?>

PHP opcodes

Function name: (null)

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

line	#	op	return	operands
6	0	INIT_ARRAY	~0	1
	1	ADD_ARRAY_ELEMENT	~0	2
	2	ADD_ARRAY_ELEMENT	~0	3
	3	ASSIGN		!0,~0
7	4	FE_RESET	$2	!0,->11
	5	FE_FETCH	$3	$2,->11
	6	ZEND_OP_DATA
	7	ASSIGN		!1,$3
8	8	PRINT	~5	!1
	9	FREE		~5
9	10	JMP		->5
	11	SWITCH_FREE		$2
10	12	RETURN		1