php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容

												 				  Get the value of the /F key				  				 				 				 fdf_get_encoding				 fdf_get_flags				 FDF Functions				 PHP Manual								 				  fdf_get_file				  (PHP 4, PHP 5)fdf_get_file — Get the value of the /F key								 				 				 				  Description				  				   string fdf_get_file				    ( resource $fdf_document				   )								  				   Gets the value of the /F key.				  				 												 				  Parameters				  				   								    								     fdf_document												     								      				       The FDF document handle, returned by fdf_create(),				       fdf_open() or fdf_open_string().				      				     								    								   								  				 												 				  Return Values				  				   Returns the key value, as a string.				  				 												 				  See Also				  				   				    fdf_set_file()				   				  				 																 fdf_get_encoding				 fdf_get_flags				 FDF Functions				 PHP Manual