Php/docs/internals2.opcodes.fetch-func-arg

• PHP Manual
• Opcode Descriptions and Examples
• FETCH_FUNC_ARG

FETCH_FUNC_ARG

PHP code

<?php/* *  * opcode number: 92 */function foo($x){}$x = 1;$y = "x";$z = "foo";$z($$y);?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$x, !1=$y, !2=$z

line	#	op	fetch	ext	return	operands
6	0	NOP
10	1	ASSIGN				!0,1
11	2	ASSIGN				!1,'x'
12	3	ASSIGN				!2,'foo'
14	4	INIT_FCALL_BY_NAME				!2
	5	FETCH_FUNC_ARG	local		$3	!1
	6	SEND_VAR				$3
	7	DO_FCALL_BY_NAME		1
16	8	RETURN				1

Function name: foo

Compiled variables: !0=$x

line	#	op	fetch	ext	return	operands
6	0	RECV				1
8	1	RETURN				null