Php/docs/internals2.opcodes.recv-init

RECV_INIT

PHP code

<?php/* * Initialize a function argument with "value" if not received from caller. Otherwise same as RECV. * opcode number: 64 */function hello($a=5){}?>

PHP opcodes

Function name: (null)

Compiled variables: none

line	#	op	fetch	ext	return	operands
6	0	NOP
7	1	RETURN				1

Function name: hello

Compiled variables: !0=$a

line	#	op	fetch	ext	return	operands
6	0	RECV_INIT				1,5
	1	RETURN				null