PHP Opcode Descriptions and Examples JMPZ_编程学问网

JMPZ

PHP code

 <?php
/*
 * Jump to the address if the value is zero
 * opcode number: 43
 */
if($a != 0) echo "foo";
?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$a

line	#	op	fetch	ext	return	operands
6	0	IS_NOT_EQUAL			~0	!0,0
	1	JMPZ				~0,->4
	2	ECHO				'foo'
	3	JMP				->4
7	4	RETURN				1

相关文章

php opcode descriptions and examples assign bw and php opcode descriptions and examples assign bw or php opcode descriptions and examples bool xor php opcode descriptions and examples bool php opcode descriptions and examples declare inherited class delayed php opcode descriptions and examples declare inherited class php opcode descriptions and examples fetch dim func arg php opcode descriptions and examples fetch dim is php opcode descriptions and examples fetch rw php opcode descriptions and examples fetch unset php opcode descriptions and examples is not equal php opcode descriptions and examples is not identical php opcode descriptions and examples jmpz ex php opcode descriptions and examples jmpz php opcode descriptions and examples new php opcode descriptions and examples nop php opcode descriptions and examples return by ref php opcode descriptions and examples return php opcode descriptions and examples verify abstract class php opcode descriptions and examples zend declare lambda function

关注编程学问公众号