tidy_error_count Returns the Number of Tidy errors encountered for specified document. inttidy_error_count resourcetidy tidy_error_count returns the number of Tidy errors encountered for the specified document. test bogus'; $tidy = tidy_parse_string($html); echo tidy_error_count($tidy) . "\n"; //1 echo $tidy->ErrorBuffer; ?> ]]> The above example will output: declaration line 1 column 8 - Warning: discarding unexpected line 2 column 1 - Error: is not recognized! line 2 column 1 - Warning: discarding unexpected line 2 column 16 - Warning: discarding unexpected line 1 column 1 - Warning: inserting missing 'title' element ]]> See also tidy_access_count and tidy_warning_count.