PHP Opcode Descriptions and Examples JMP_编程学问网

JMP

PHP code

 <?php 
/*
 * Unconditonally jump to the address
 * opcode number: 42
 */
$foo = false;
while(!$foo) {
    $foo = true;
}
?>

PHP opcodes

Function name: (null)

compiled vars: !0 = $foo

line	#	op	fetch	ext	return	operands
6	0	ASSIGN				!0, false
7	1	BOOL_NOT			~1	!0
	2	JMPZ				~1, ->5
8	3	ASSIGN				!0, true
9	4	JMP				->1
11	5	RETURN				1

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