internals2-php-opcodes-php-clone-1

  • Opcode Descriptions and
    Examples
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    PHP code

    <?php
    /*
     * 
     * opcode number: 110
     */
    $obj = new A();
    $copy = clone $obj;
    ?>

    PHP opcodes

    Function name: (null)

    Compiled variables: !0=$obj, !1=$copy

    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 ZEND_CLONE     $4 !0
      5 ASSIGN       !1,$4
    8 6 RETURN       1