php man page for fdf_errno

FDF_ERRNO(3)								 1							      FDF_ERRNO(3)

fdf_errno - Return error code for last fdf operation

SYNOPSIS
       int fdf_errno (void  )

DESCRIPTION
	Gets the error code set by the last FDF function call.

	A textual description of the error may be obtained using with fdf_error(3).

RETURN VALUES
	Returns the error code as an integer, or zero if there was no errors.

SEE ALSO
       fdf_error(3).

PHP Documentation Group 													      FDF_ERRNO(3)