PHP Opcode Descriptions and Examples ISSET_ISEMPTY_DIM_OBJ_编程学问网

ISSET_ISEMPTY_DIM_OBJ

PHP code

 <?php
/*
 * Tests if the entry of an array is set or not.
 * opcode number: 115
 */
if(isset($a[0])) return 0;
?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$a

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

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