- ，并进行实际操作时，经常会遇到一些书本上没有的问题出现。我们只有很好的解决这些问题，才能真正的掌握我们所学到的知识。在这篇文章中，大家会学到PHP截取中文字符出现乱码的具体解决办法。
PHP截取中文字符无乱码的相关代码：
<ol class="dp-xml"><li class="alt"><span><span>function cnSubstr($str, $start, $len) { </span></span></li><li><span>$</span><span class="attribute">str_tmp</span><span> = $len - $start; </span></li><li class="alt"><span>if (strlen($str) </span><span class="tag"><</span><span> $str_tmp) { </span></li><li><span>$</span><span class="attribute">tmpstr</span><span> = $str; </span></li><li class="alt"><span>} else { </span></li><li><span>$</span><span class="attribute">tmpstr</span><span> = </span><span class="attribute-value">""</span><span>; </span></li><li class="alt"><span>$</span><span class="attribute">strlen</span><span> = $start + $len; </span></li><li><span>for($</span><span class="attribute">i</span><span> = </span><span class="attribute-value">0</span><span>; $i </span><span class="tag"><</span><span> $strlen; $i++) { </span></li><li class="alt"><span>if(ord(substr($str, $i, 1)) </span><span class="tag">></span><span> 0xa0) { </span></li><li><span>$tmpstr </span><span class="attribute">.</span><span>= </span><span class="attribute-value">substr</span><span>($str, $i, 2); </span></li><li class="alt"><span>$i++; </span></li><li><span>} else { </span></li><li class="alt"><span>$tmpstr </span><span class="attribute">.</span><span>= </span><span class="attribute-value">substr</span><span>($str, $i, 1); </span></li><li><span>} </span></li><li class="alt"><span>} </span></li><li><span>$tmpstr </span><span class="attribute">.</span><span>= </span><span class="attribute-value">".."</span><span>; </span></li><li class="alt"><span>} </span></li><li><span>return $tmpstr; </span></li><li class="alt"><span>} </span></li></ol>以上这段代码就是PHP截取中文字符无乱码的具体实现方法，希望对大家有所帮助。
