fdf_error
(PHP 4 >= 4.3.0, PHP 5 < 5.3.0, PECL fdf SVN)
fdf_error — Return error description for FDF error code
说明
   Gets a textual description for the FDF error code given in
   error_code.
  
参数
error_code- 
      
An error code obtained with fdf_errno(). If not provided, this function uses the internal error code set by the last operation.
 
返回值
   Returns the error message as a string, or the string 
   no error if nothing went wrong.
  
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