bool-Phpdoc专题

BOOL

PHP code

<?php
/*
 * convert value1 to boolean and store in result??????????
 * opcode number: 52
 */
if (1 || 2 || 1) echo "foo";
//$a = true;
//if($a) echo "foo";
?>

PHP opcodes

Function name: (null)

Compiled variables: none

line	#	op	return	operands
6	0	JMPNZ_EX	~0	1,->2
	1	BOOL	~0	2
	2	JMPNZ_EX	~0	~0,->4
	3	BOOL	~0	1
	4	JMPZ		~0,->7
	5	ECHO		'foo'
	6	JMP		->7
9	7	RETURN		1