<?php
/*
 * Prepare for a method call.  Followed by DO_FCALL.
 * opcode number: 112
 */
class A {
  var $num;
    function incrementNum(){
    $num++;
  }
}
$obj = new A();
$obj->incrementNum();
?>
Function name: (null)
Compiled variables: !0=$obj
| line | # | op | fetch | ext | return | operands | 
|---|---|---|---|---|---|---|
| 6 | 0 | NOP | ||||
| 13 | 1 | ZEND_FETCH_CLASS | :1 | 'A' | ||
| 2 | NEW | $2 | :1 | |||
| 3 | DO_FCALL_BY_NAME | 0 | ||||
| 4 | ASSIGN | !0,$2 | ||||
| 14 | 5 | ZEND_INIT_METHOD_CALL | !0,'incrementNum' | |||
| 6 | DO_FCALL_BY_NAME | 0 | ||||
| 16 | 7 | RETURN | 1 | 
Function name: incrementNum
Compiled variables: !0=$num
| line | # | op | fetch | ext | return | operands | 
|---|---|---|---|---|---|---|
| 9 | 0 | POST_INC | ~0 | !0 | ||
| 1 | FREE | ~0 | ||||
| 10 | 2 | RETURN | null |