Opcode Descriptions and Examples
PHP Manual

DECLARE_FUNCTION

PHP code

<?php
/*
 * 
 * opcode number: 141
 */
class A{
 function 
funcA(){
 }
}
?>

PHP opcodes

Function name: (null)

Compiled variables: none

line#op fetchextreturn operands
60 NOP      
101 RETURN     1

Function name: funcA

Compiled variables: none

line#op fetchextreturn operands
80 RETURN     null

Opcode Descriptions and Examples
PHP Manual