/**

• Old versions of Mantis use special schema for filenaming (eg. 0000000-filename)
• This may lead to problems when using similar file names
• @global bool $g_special_handling_for_old_filenames
  */
  $g_special_handling_for_old_filenames = OFF;

function file_get_display_name( $p_filename ) {
$t_array = explode( '-', $p_filename, 2 );

Check if it's a project document filename (doc-0000000-filename)

or a bug attachment filename (0000000-filename)

for newer filenames, the filename in schema is correct.

This is important to handle filenames with '-'s properly

$t_doc_match = '/^' . config_get( 'document_files_prefix' ) . '-\d{7}-/';
$t_name = preg_split( $t_doc_match, $p_filename );
if( isset( $t_name[1] ) ) {
return $t_name[1];
} else {
if ( config_get( 'special_handling_for_old_filenames' ) ) {
$t_bug_match = '/^\d{7}-/';
$t_name = preg_split( $t_bug_match, $p_filename );
if( isset( $t_name[1] ) ) {
return $t_name[1];
}
}
return $p_filename;
}
}