php教程博客

给一个字符串分段
/**
 * @author phpno.com
 * @param $content
 * @param $clip_len
 * @param $cha
 */
function clips_content($content, $clip_len,$cha='UTF-8') {
	$slen =  mb_strlen($content,$cha);
	$p = array();
	$pnum = ceil($slen/$clip_len);
	for ($i=0;$i<$pnum;$i++){
		$start = $clip_len*$i;
		$p[] = mb_substr($content,$start,$clip_len,$cha);
	}
	return $p;
}