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PHP去掉从word直接粘贴过来的没有用格式的函数_PHP教程

时间:2021-07-01 10:21:17 帮助过:16人阅读

一般处理的方式有二种:1.通过编辑器的JS直接去除。2.提交到后台后,直接用程序去掉无效标签。下面我就分享一个通过PHP的处理方式,成功率可能不是100%。这程序也是在PHP官网上看到的,就顺便粘贴过来了。
代码如下:

function ClearHtml($content,$allowtags='') {

mb_regex_encoding('UTF-8');
//replace MS special characters first
$search = array('/‘/u', '/’/u', '/“/u', '/”/u', '/—/u');
$replace = array('\'', '\'', '"', '"', '-');
$content = preg_replace($search, $replace, $content);
//make sure _all_ html entities are converted to the plain ascii equivalents - it appears
//in some MS headers, some html entities are encoded and some aren't
$content = html_entity_decode($content, ENT_QUOTES, 'UTF-8');
//try to strip out any C style comments first, since these, embedded in html comments, seem to
//prevent strip_tags from removing html comments (MS Word introduced combination)
if(mb_stripos($content, '/*') !== FALSE){
$content = mb_eregi_replace('#/\*.*?\*/#s', '', $content, 'm');
}
//introduce a space into any arithmetic expressions that could be caught by strip_tags so that they won't be
//'<1' becomes '< 1'(note: somewhat application specific)
$content = preg_replace(array('/<([0-9]+)/'), array('< $1'), $content);

$content = strip_tags($content, $allowtags);
//eliminate extraneous whitespace from start and end of line, or anywhere there are two or more spaces, convert it to one
$content = preg_replace(array('/^\s\s+/', '/\s\s+$/', '/\s\s+/u'), array('', '', ' '), $content);
//strip out inline css and simplify style tags
$search = array('#<(strong|b)[^>]*>(.*?)#isu', '#<(em|i)[^>]*>(.*?)#isu', '#]*>(.*?)#isu');
$replace = array('$2', '$2', '$1');
$content = preg_replace($search, $replace, $content);

//on some of the ?newer MS Word exports, where you get conditionals of the form 'if gte mso 9', etc., it appears
//that whatever is in one of the html comments prevents strip_tags from eradicating the html comment that contains
//some MS Style Definitions - this last bit gets rid of any leftover comments */
$num_matches = preg_match_all("/\

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';
echo ClearHtml($content,'

');

/*
得到的结果:

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越发忙碌的你,是否想给自己放个假?专注工作的你,是否还记得上一次锻炼是什么时候?优伴户外旅行,给你不一样的旅行体验:给心自由,便处处都是风景!


*/
?>

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/326185.htmlTechArticle一般处理的方式有二种:1.通过编辑器的JS直接去除。2.提交到后台后,直接用程序去掉无效标签。下面我就分享一个通过PHP的处理方式,成...

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