internals2-php-opcodes-php-fetch-obj-rw-1

  • Opcode Descriptions and
    Examples
  • FETCH_OBJ_RW

  • FETCH_OBJ_RW
  • FETCH_OBJ_RW

    FETCH_OBJ_RW

    PHP code

    <?php
    /*
     * Fetch the "prop-name" property value of this object.
     * opcode number: 88
     */
    $x = new A();
    $a 'x';
    $
    $a->num++;
    ?>

    PHP opcodes

    Function name: (null)

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

    line # op fetch ext return operands
    6 0 ZEND_FETCH_CLASS     :0 ‘A’
      1 NEW     $1 :0
      2 DO_FCALL_BY_NAME   0    
      3 ASSIGN       !0,$1
    7 4 ASSIGN       !1,’x’
    8 5 FETCH_RW local   $5 !1
      6 ZEND_POST_INC_OBJ     ~7 $5,’num’
      7 FREE       ~7
    9 8 RETURN       1