WordPress中文截取函数用法分析
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>本文实例讲述了WordPress中文截取函数用法。分享给大家供大家参考。具体分析如下：</p>
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很多朋友直接使用php substr函数截取中文是会出现乱码,下面我先来给各位总结中文字符截取的函数,然后以wordpress截取中文标题为例给大家介绍实例应用.</p>
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中文截取函数,代码如下:<br>
</p>
<div style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
<div style="margin: 0px; padding: 0px; outline: none; float: right; line-height: 25.2px; font-size: 14px;">
<span style="line-height: 25.2px; cursor: pointer;"><u>复制代码</u></span>
</div>
代码如下:</div>
<div id="phpcode21" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
function utf8_trim($str) <br>
{ <br>
$len = strlen($str); <br>
for ($i=strlen($str)-1; $i>=0; $i-=1){ <br>
$hex .= ' '.ord($str[$i]); <br>
$ch = ord($str[$i]); <br>
if (($ch & 128)==0) return(substr($str,0,$i)); <br>
if (($ch & 192)==192) return(substr($str,0,$i)); <br>
} <br>
return($str.$hex); <br>
} <br>
function mul_excerpt ($excerpt,$excerpt_length) { <br>
$myexcerpt = substr($excerpt,0,$excerpt_length); <br>
return utf8_trim($myexcerpt) . '… '; <br>
}</div>
<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>或者这样也可以</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><div style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
<div style="margin: 0px; padding: 0px; outline: none; float: right; line-height: 25.2px; font-size: 14px;">
<span style="line-height: 25.2px; cursor: pointer;"><u>复制代码</u></span>
</div>
代码如下:</div>
<div id="phpcode22" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
//自动截断不乱码 <br>
// jieduan luanma <br>
///////////////// <br>
function Limit_Char($max_char = 200, $more_text = '...', $more_link_text = '', $limit_type = 'content') { <br>
if ($limit_type == 'title') { $limiter = get_the_title(); } <br>
else { $limiter = get_the_content(); } <br>
$limiter = apply_filters('the_content', $limiter); <br>
$limiter = strip_tags(str_replace(']]>', ']]>', $limiter)); <br>
if (strlen($limiter) > $max_char) { <br>
$limiter = substr($limiter, 0, $max_char+1); <br>
$limiter = utf8_conver($limiter); <br>
echo $limiter; <br>
echo $more_text; <br>
if ($more_link_text != '') { <br>
echo ' '.$more_link_text.''; <br>
} <br>
} else { <br>
echo $limiter; <br>
} <br>
} <br>
function utf8_conver($str) { <br>
$len = strlen($str); <br>
for ($i=strlen($str)-1; $i>=0; $i-=1){ <br>
$hex .= ' '.ord($str[$i]); <br>
$ch = ord($str[$i]); <br>
if (($ch & 128)==0) return(substr($str,0,$i)); <br>
if (($ch & 192)==192) return(substr($str,0,$i)); <br>
} <br>
return($str.$hex); <br>
}</div>
<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>截取中文标题,代码如下:</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><div style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
<div style="margin: 0px; padding: 0px; outline: none; float: right; line-height: 25.2px; font-size: 14px;">
<span style="line-height: 25.2px; cursor: pointer;"><u>复制代码</u></span>
</div>
代码如下:</div>
<div id="phpcode23" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
echo '</p><p>'. mb_substr(get_the_title(),0,18,"utf8")."..." .'</p></li>';</div>
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>
</p>
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>
这样会出现乱码的,我在functions.php加入上面的中文截取代码,然后在想要截取标题的位置,添加get_short_title(),目的就达到,详细代码如下:<br>
</p>
<div style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
<div style="margin: 0px; padding: 0px; outline: none; float: right; line-height: 25.2px; font-size: 14px;">
<span style="line-height: 25.2px; cursor: pointer;"><u>复制代码</u></span>
</div>
代码如下:</div>
<div id="phpcode24" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
echo '<li><a href="' . get_permalink() . '">'; <br>
get_short_title(18); <br>
echo '</a><data>'. get_the_time('n月j日') .'</data></li>';</div>
<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>当然,其他地方这样调用也可以,代码如下:</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><div style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
<div style="margin: 0px; padding: 0px; outline: none; float: right; line-height: 25.2px; font-size: 14px;">
<span style="line-height: 25.2px; cursor: pointer;"><u>复制代码</u></span>
</div>
代码如下:</div>
<div id="phpcode25" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
<?php get_short_title(); ?></div>
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</p>
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>
希望本文所述对大家的WordPress建站有所帮助。</p>
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