Мультиязычность статей InstantCMS 2

 
public static function langExist($lang = false) {
	$languages = self::getLanguages();
	return in_array($lang, $languages);
    }
 
    public static function splitToLanguages($text = false, $quicktags = true) {
	if (!$text) { return false; }
 
	$languages = self::getLanguages();
 
	//init vars
	$split_regex = "#(<!--[^-]*-->|\[:[a-z]{2}\])#ism";
	$current_language = "";
	$matches = "";
	$result = array();
	foreach ($languages as $language) {
	    $result[$language] = "";
	}
 
	// split text at all xml comments
	$blocks = preg_split($split_regex, $text, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);
	foreach ($blocks as $block) {
	    # detect language tags
	    if (preg_match("#^<!--:([a-z]{2})-->$#ism", $block, $matches)) {
		if (self::langExist($matches[1], $languages)) {
		    $current_language = $matches[1];
		} else {
		    $current_language = "invalid";
		}
		continue;
		// detect quicktags
	    } elseif ($quicktags && preg_match("#^\[:([a-z]{2})\]$#ism", $block, $matches)) {
		if (self::langExist($matches[1], $languages)) {
		    $current_language = $matches[1];
		} else {
		    $current_language = "invalid";
		}
		continue;
		// detect ending tags
	    } elseif (preg_match("#^<!--:-->$#ism", $block, $matches)) {
		$current_language = "";
		continue;
		// detect defective more tag
	    }
	    // correctly categorize text block
	    if ($current_language == "") {
		// general block, add to all languages
		foreach ($languages as $language) {
		    $result[$language] .= $block;
		}
	    } elseif ($current_language != "invalid") {
		// specific block, only add to active language
		$result[$current_language] .= $block;
	    }
	}
	return $result;
    }
 
    public static function returnCurrentLangText($text = false, $return_lang = false){
	if (!$text) { return false; }
 
	$config = cmsConfig::getInstance();
	$languages = self::getLanguages();
 
	$result = self::splitToLanguages($text);
 
	if (!$return_lang) {
	    return $result[$config->language];
	} else {
	    return self::langExist($return_lang, $languages) ? $result[$return_lang] : false;
	}
    }
 

 
if (isset($item['content'])) {
$item['content'] = $core::returnCurrentLangText($item['content']);
}