"bbcode2html",
"link" => "makeClickable",
"markdown" => "markdown",
"nl2br" => "nl2br",
"escaped" => "esc",
"tagstrip" => "strip",
];
/**
* Available filters.
*
* @return array as supported filters.
*/
public function filters()
{
return $this->filters;
}
/**
* Call each filter on the text and return the processed text.
*
* @param string $text The text to filter.
* @param array $filter Array of filters to use.
*
* @return string with the formatted text.
*/
public function parse($text, $filters)
{
foreach ($filters as $key) {
if (!empty($key)) {
if (!isset($this->filters[$key])) {
throw new \Exception("Invalid filter '$key'");
}
$text = call_user_func_array([$this, $this->filters[$key]], [$text]);
}
}
return $text;
}
/**
* Helper, BBCode formatting converting to HTML.
*
* @param string $text The text to be converted.
*
* @return string the formatted text.
*/
public function bbcode2html($text)
{
$search = [
'/\[b\](.*?)\[\/b\]/is',
'/\[i\](.*?)\[\/i\]/is',
'/\[u\](.*?)\[\/u\]/is',
'/\[img\](https?.*?)\[\/img\]/is',
'/\[url\](https?.*?)\[\/url\]/is',
'/\[url=(https?.*?)\](.*?)\[\/url\]/is'
];
$replace = [
'$1',
'$1',
'$1',
'
',
'$1',
'$2'
];
return preg_replace($search, $replace, $text);
}
/**
* Make clickable links from URLs in text.
*
* @param string $text The text that should be formatted.
*
* @return string with formatted anchors.
*/
public function makeClickable($text)
{
return preg_replace_callback(
'#\b(?]+(?:\([\w\d]+\)|([^[:punct:]\s]|/))#',
function ($matches) {
return "{$matches[0]}";
},
$text
);
}
/**
* Format text according to Markdown syntax.
*
* @param string $text The text that should be formatted.
*
* @return string as the formatted html text.
*/
public function markdown($text)
{
return Markdown::defaultTransform($text);
}
/**
* For convenience access to nl2br formatting of text.
*
* @param string $text The text that should be formatted.
*
* @return string the formatted text.
*/
public function nl2br($text)
{
return nl2br($text);
}
/**
* For convenience access to htmlescaped text.
*
* @param string $text The text that should be formatted.
*
* @return string the formatted text.
*/
public function esc($text)
{
return htmlentities($text);
}
/**
* For convenience access to tag stripped text.
*
* @param string $text The text that should be formatted.
*
* @return string the formatted text.
*/
public function strip($text)
{
return strip_tags($text);
}
/**
* Create a slug of a string, to be used as url.
*
* @param string $str the string to format as slug.
*
* @return str the formatted slug.
*/
public function slugify($str)
{
$str = mb_strtolower(trim($str));
$str = str_replace(array('å','ä','ö'), array('a','a','o'), $str);
$str = preg_replace('/[^a-z0-9-]/', '-', $str);
$str = trim(preg_replace('/-+/', '-', $str), '-');
return $str;
}
}