Php/docs/internals2.opcodes.switch-free

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• Opcode Descriptions and Examples
• SWITCH_FREE

SWITCH_FREE

PHP code

<?php/* * Release the allocated space of "value"? * opcode number: 49 */$a = array(1,2,3);foreach($a as $num){    print $num;}?>

PHP opcodes

Function name: (null)

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

line	#	op	fetch	ext	return	operands
6	0	INIT_ARRAY			~0	1
	1	ADD_ARRAY_ELEMENT			~0	2
	2	ADD_ARRAY_ELEMENT			~0	3
	3	ASSIGN				!0,~0
7	4	FE_RESET			$2	!0,->11
	5	FE_FETCH			$3	$2,->11
	6	ZEND_OP_DATA
	7	ASSIGN				!1,$3
8	8	PRINT			~5	!1
	9	FREE				~5
9	10	JMP				->5
	11	SWITCH_FREE				$2
10	12	RETURN				1