internals2-php-opcodes-php-fetch-obj-r-9

  • Opcode Descriptions and
    Examples

    • FETCH_OBJ_R

  • FETCH_OBJ_R

    • FETCH_OBJ_R

    FETCH_OBJ_R

    PHP code

    <?php
    /*
     * Fetch the "prop-name" property value of this object.  Read-only?
     * opcode number: 82
     */
    $x = new A();
    $a = 'x';
    echo $    $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_R local   $5 !1
      6 FETCH_OBJ_R     $6 $5,’num’
      7 ECHO       $6
    9 8 RETURN       1