更为简化的调用,并且更少的判断,更快的速度。
ThinkPHP 官方扩展的 msubstr 方法其实挺好的,但有以下几个问题:
1,调用的时候会多次判断,包括2次判断是否自带了 mb_substr 和 iconv_substr 函数;
2,无论是否超出长度,如果有 $suffix=true 都会追加省略号,这个不太合理;
介于以上两点,并且在确保自己的服务器支持 mb_substr 函数、并且都是 utf-8 编码的情况下,我们其实可以自己在 Common/common.php(3.2 版本中为 function.php) 中自己添加一个 subtext 的函数,代码如下:function subtext($text, $length)<br>
{<br>
if(mb_strlen($text, 'utf8') > $length) <br>
return mb_substr($text, 0, $length, 'utf8').'...';<br>
return $text;<br>
}
这样在模版中调用的话,只需要用 {$vo.title|subtext=10} 这样即可,同时实现了,如果没超出长度,则不追加省略号的效果。
好吧,这篇文章其实有点卖萌了,稍微熟悉 PHP 的都会这么做
(ノ・ω・)ノ゙ 撒花
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