/**
* Return text as one string
*
* @return string
*
* @since 1.2
*/
public function getAsString()
{
$text = parent::getAsString();
$stripAll = new StripAllFilter();
$htmlFilter = new HtmlFilter();
/* Removing CDATA tags */
$text = preg_replace_callback('#<!\\[CDATA\\[(.*?)\\]\\]>#ums', function ($match) use($htmlFilter) {
$string = $htmlFilter->filter($match[1]);
// <![CDATA[ ]]
return ' ' . $string . ' ';
}, $text);
/* Processing bottom level tags */
$text = preg_replace_callback('#(<(\\w+)(\\s[^>]*?)?>)([^<>]*)(</\\w+\\s*>)#um', function ($match) use($stripAll) {
if (strtolower($match[2]) === 'target') {
$replace = $stripAll->filter($match[1]) . $match[4] . $stripAll->filter($match[5]);
} else {
$replace = $stripAll->filter($match[0]);
}
return $replace;
}, $text);
/* Other replacements */
foreach ($this->filters as $pattern => $filter) {
if (null === $filter) {
$filter = $stripAll;
}
$text = preg_replace_callback($pattern, function ($match) use($filter) {
return $filter->filter($match[0]);
}, $text);
}
return $text;
}
/**
* Test basic functional
*/
public function testBasics()
{
$filter = new HtmlFilter();
$html = "<br>foo® <a\nhref = '#' title='bar'>\nbaz</a>";
$text = " foo \n bar \nbaz ";
static::assertEquals($text, $filter->filter($html));
}
