QM_ASSIGN

PHP code


<?php
/*
 * Question Mark Assign, used twice inside a question mark assign to temporarily assign result as value1  (this is followed up with an ASSIGN bytecode)
 * opcode number: 22
 */
function A(){
 echo 1?2:3;
}

function B(){
 $b = 0;
 $a = $b > 1 ? 10: 11;
}
?>

PHP opcodes

Function name: (null)

Compiled variables: none

line	#	op	operands
6	0	NOP
10	1	NOP
14	2	RETURN	1

Function name: A

Compiled variables: none

line	#	op	return	operands
7	0	JMPZ		1,->3
	1	QM_ASSIGN	~0	2
	2	JMP		->4
	3	QM_ASSIGN	~0	3
	4	ECHO		~0
8	5	RETURN		null

Function name: B

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

line	#	op	return	operands
11	0	ASSIGN		!0,0
12	1	IS_SMALLER	~1	1,!0
	2	JMPZ		~1,->5
	3	QM_ASSIGN	~2	10
	4	JMP		->6
	5	QM_ASSIGN	~2	11
	6	ASSIGN		!1,~2
13	7	RETURN		null

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