There's is a way...
$body = <<< YOUR_HTML_WITH_CSS_STYLE_TAGS
<html>
<head>
<style>
body * {width:1px;}
#adiv {padding:2px;}
.aclass {margin:3px;}
</style>
</head>
<body>
<div>
some html
</div>
<div id="adiv">
<p class="aclass">
</p>
</div>
</body>
</html>
YOUR_HTML_WITH_CSS_STYLE_TAGS;
$doc = new DOMDocument();
@$doc->loadHTML($body);
$xpd = new DOMXPath($doc);
0&&$node = new DOMElement();
$result = $xpd->query('//img');
foreach($result as $node){
$attr = $node->getAttribute('src');
$re = '/(http://.*?)?(/.*+)/i';
if(preg_match_all($re, $attr, $matches)){
if(!empty($matches[1][0])&&0)
continue;
$attr = 'http://'.$_SERVER['HTTP_HOST'].$matches[2][0];
}
$node->setAttribute('src',$attr);
}
false&&$node=new DOMElement()&&$child=new DOMElement();
$result = $xpd->query('//style/..');
foreach($result as $node){
foreach($node->childNodes as $child){
if(strtolower($child->nodeName)=='style'){
$node->removeChild($child);
$css = $child->textContent;
$re = '/(.*?){([^}]+)}/';
if(preg_match_all($re, $css, $matches)){
foreach($matches[1] as $idx=>$css_selector){
$css_text = $matches[2][$idx];
$css_text = preg_replace('/s+/',' ',$css_text);
$css = new CSSQuery($doc);
foreach($css->query($css_selector) as $selected_node){
$style = $selected_node->getAttribute('style');
$selected_node->setAttribute('style', $style?$css_text:$style.';'.$css_text);
}
}
}
}
}
}
$body = $doc->saveHTML();
That code will generate an HTML output in $body like this:
<html>
<head>
</head>
<body>
<div style="width:1px;">
some html
</div>
<div id="adiv" style="width:1px;padding:2px;">
<p class="aclass" style="width:1px;margin:3px;">
</p>
</div>
</body>
</html>
The CSSQuery class can be found at phpclasses.org.
This implementation is based on the fact that most webmails will only allow to add style by an inline tag attribute style and not through style tags or link tags.
It's pretty much limited and with a restricted syntax because of the regular expression it's kind of simple, but it's still better than write by your own the inline style attributes in each HTML tag.
与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
