<?php
function detect_language($s) {
$detected_languages = array(
'Albanian' => 'sq',
'Arabic' => 'ar',
'Azeri' => 'az',
'Bengali' => 'bn',
'Bulgarian' => 'bg',
'Cebuano' => '',
'Croatian' => 'hr',
'Czech' => 'cz',
'Danish' => 'da',
'Dutch' => 'nl',
'English' => 'en',
'Estonian' => 'et',
'Farsi' => 'fa',
'Finnish' => 'fi',
'French' => 'fr',
'German' => 'de',
'Hausa' => 'ha',
'Hawaiian' => '',
'Hindi' => 'hi',
'Hungarian' => 'hu',
'Icelandic' => 'is',
'Indonesian' => 'id',
'Italian' => 'it',
'Kazakh' => 'kk',
'Kyrgyz' => 'ky',
'Latin' => 'la',
'Latvian' => 'lv',
'Lithuanian' => 'lt',
'Macedonian' => 'mk',
'Mongolian' => 'mn',
'Nepali' => 'ne',
'Norwegian' => 'no',
'Pashto' => 'ps',
'Pidgin' => '',
'Polish' => 'pl',
'Portuguese' => 'pt',
'Romanian' => 'ro',
'Russian' => 'ru',
'Serbian' => 'sr',
'Slovak' => 'sk',
'Slovene' => 'sl',
'Somali' => 'so',
'Spanish' => 'es',
'Swahili' => 'sw',
'Swedish' => 'sv',
'Tagalog' => 'tl',
'Turkish' => 'tr',
'Ukrainian' => 'uk',
'Urdu' => 'ur',
'Uzbek' => 'uz',
'Vietnamese' => 'vi',
'Welsh' => 'cy'
);
require_once('Text/LanguageDetect.php');
$min_length = get_config('system','language_detect_min_length');
if($min_length === false)
$min_length = LANGUAGE_DETECT_MIN_LENGTH;
$min_confidence = get_config('system','language_detect_min_confidence');
if($min_confidence === false)
$min_confidence = LANGUAGE_DETECT_MIN_CONFIDENCE;
$naked_body = preg_replace('/\[(.+?)\]/','',$s);
if(mb_strlen($naked_body) < intval($min_length))
return '';
$l = new Text_LanguageDetect;
$lng = $l->detectConfidence($naked_body);
logger('detect language: ' . print_r($lng,true) . $naked_body, LOGGER_DATA);
if((! $lng) || (! (x($lng,'language')))) {
return '';
}
if($lng['confidence'] < (float) $min_confidence) {
logger('detect language: confidence less than ' . (float) $min_confidence, LOGGER_DATA);
return '';
}
return(($lng && (x($lng,'language'))) ? $detected_languages[ucfirst($lng['language'])] : '');
}
