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wordpress自动转换实体符号,无需可视化编辑器

Jun 06, 2016 pm 08:08 PM
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大家都知道在wordpress的HTML编辑器里贴代码会被自动解释,而目前已知解决方法就是切换到可视化编辑器,而身为一个技术文占大半壁江山的程序媛,每次贴代码都要手动切换到可视化编辑器来转换实体符号,对我这个一心想kill可视化编辑器的人来说真是种折磨,刚好声

大家都知道在wordpress的HTML编辑器里贴代码会被自动解释,而目前已知解决方法就是切换到可视化编辑器,而身为一个技术文占大半壁江山的程序媛,每次贴代码都要手动切换到可视化编辑器来转换实体符号,对我这个一心想kill可视化编辑器的人来说真是种折磨,刚好声声昨晚提出了这个问题,所以又折腾了一上午把问题解决了,但是目前本方法仅适用于wp.
转换至实体的符号:<code>>&
支持的标签:<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">Copy after login</div></div> <code>
用到的函数:htmlspecialchars() 此函数把一些预定义的字符转换为 HTML 实体。
以下代码扔到functions.php

function escapeCE($arr) {
	if (version_compare(PHP_VERSION, '5.2.3') &gt;= 0) { //所需PHP版本 
		$output = htmlspecialchars($arr[2], ENT_NOQUOTES, get_bloginfo('charset'), false); 
	}
	else {
		$needTo = array( //定义需要转换的标签 
		'&amp;' =&gt; '&amp;',
		' '&lt;',
		'&gt;' =&gt; '&gt;'
		);
		$data = htmlspecialchars_decode($arr[2]);
		$output = strtr($data, $needTo);
	}
	if (! empty($output)) { //如果有实体符号则进行替换 
		return  $arr[1] . $output . $arr[3];
	}
	else
	{
		return  $arr[1] . $arr[2] . $arr[3];
	}
}
function replaceCE($data) { //匹配需要转换实体的标签 
	$replaceTag = preg_replace_callback('@(&lt;pre.&gt;)(.*)()@isU', 'escapeCE', $data);
	$replaceTag = preg_replace_callback('@(&lt;code.&gt;)(.*)()@isU', 'escapeCE', $replaceTag);
	return $replaceTag;
}
add_filter( 'content_save_pre', 'replaceCE', 9 ); //通过wordpress的add_filter来挂钩 
add_filter( 'excerpt_save_pre', 'replaceCE', 9 ); //支持摘要格式 
&lt;/code.&gt;&lt;/pre.&gt;
Copy after login

发现代码多换行就显得不那么短了.
好了,以后可以安心贴代码了,今天没有福利,因为你们昨天不够热情,评论没上百,还比不上前一篇,我很桑心.

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