(.*?)<\/blockquote>/s', $blockquoteTemplate, $element['text']);
// add line breaks after tags
$element['text'] = preg_replace('/(<\/(ul|ol|h\d)>)/', '$1
', $element['text']);
$element['text'] = self::removeEmptyHTMLTags($element['text']);
// convert empty tags to line breaks
$element['text'] = preg_replace('/<\/p>/', '
', $element['text']);
// convert to
$element['text'] = preg_replace('/(.*?)<\/p>/', '
', $element['text']);
$element['text'] = preg_replace('/(.*?)<\/p>/', '', $element['text']);
// remove the last break line
$element['text'] = preg_replace('/
([^
]*)$/s', '', $element['text']);
$template = '
| ' . $element['text'] . ' |
';
return $template;
}
static function removeEmptyHTMLTags($html) {
$pattern = <<<'EOD'
~
<
(?:
!--[^-]*(?:-(?!->)[^-]*)*-->[^<]*(*SKIP)(*F) # skip comments
|
( # group 1
(span|em|strong) # tag name in group 2
[^"'>]* #'"# all that is not a quote or a closing angle bracket
(?: # quoted attributes
"[^\\"]*(?:\\.[^\\"]*)*+" [^"'>]* #'"# double quote
|
'[^\\']*(?:\\.[^\\']*)*+' [^"'>]* #'"# single quote
)*+
>
\s*
(?:
\s* # html comments
|
<(?1) \s* # recursion with the group 1
)*+
# closing tag
) # end of the group 1
)
~sxi
EOD;
return preg_replace($pattern, '', $html);
}
}