"Arial, 'Helvetica Neue', Helvetica, sans-serif",
'Comic Sans MS' => "'Comic Sans MS', 'Marker Felt-Thin', Arial, sans-serif",
'Courier New' => "'Courier New', Courier, 'Lucida Sans Typewriter', 'Lucida Typewriter', monospace",
'Georgia' => "Georgia, Times, 'Times New Roman', serif",
'Lucida' => "'Lucida Sans Unicode', 'Lucida Grande', sans-serif",
'Tahoma' => "Tahoma, Verdana, Segoe, sans-serif",
'Times New Roman' => "'Times New Roman', Times, Baskerville, Georgia, serif",
'Trebuchet MS' => "'Trebuchet MS', 'Lucida Grande', 'Lucida Sans Unicode', 'Lucida Sans', Tahoma, sans-serif",
'Verdana' => "Verdana, Geneva, sans-serif"
);
static function render($element) {
$html = $element['text'];
$html = self::convertBlockquotesToTables($html);
$html = self::addLineBreakAfterTags($html);
$html = self::removeEmptyTags($html);
$html = self::convertEmptyParagraphsToLineBreaks($html);
$html = self::convertParagraphsToTables($html);
$html = self::removeLastBreakLine($html);
$template = '
| ' . $html . ' |
';
return $template;
}
static function removeLastBreakLine($html) {
return preg_replace('/
([^
]*)$/s', '', $html);
}
static function convertParagraphsToTables($html) {
$html = preg_replace('/(.*?)<\/p>/', '
', $html);
return preg_replace('/(.*?)<\/p>/', '
', $html);
}
static function convertEmptyParagraphsToLineBreaks($html) {
return preg_replace('/<\/p>/', '
', $html);
}
static function addLineBreakAfterTags($html) {
return preg_replace('/(<\/(ul|ol|h\d)>)/', '$1
', $html);
}
static function convertBlockquotesToTables($html) {
$template = '
';
return preg_replace('/(.*?)<\/blockquote>/s', $template, $html);
}
static function removeEmptyTags($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);
}
}