PHP在字符断点处截断文字的实现代码

<div class="codetitle"><a style="CURSOR: pointer" data="49639" class="copybut" id="copybut49639" onclick="doCopy('code49639')"> 代码如下:<div class="codebody" id="code49639">
//所谓断字 (word break)，即一个单词可在转行时断开的地方。这一函数将在断字处截断字符串。
// Please acknowledge use of this code by including this header.
function myTruncate($string,$limit,$break=".",$pad="...") {
// return with no change if string is shorter than $limit
if(strlen($string) <= $limit)
return $string;
// is $break present between $limit and the end of the string?
if(false !== ($breakpoint = strpos($string,$break,$limit))) {
if($breakpoint < strlen($string) - 1) {
$string = substr($string,$breakpoint) . $pad;
}
}
return $string;
}
/* Example /
$short_string=myTruncate($long_string,100,' ');

（编辑：李大同）

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