PHP - FDF Errno Module

The fdf_errno() function can return an error code for last fdf operation.

Syntax

int fdf_errno( void )

The fdf_errno() function can get an error code set by the last FDF function call, and a textual description of an error may be obtained using the fdf_error() function.

The fdf_errno() function can return an error code as an integer, or zero if there were no errors.