十大精典PHP项目开发全程案例+代码

								function unhtml($content)
				 {
				    $content=htmlspecialchars($content);
				    $content=str_replace(chr(13),"",$content);
				    $content=str_replace(chr(32)," ",$content);
				    $content=str_replace("[_[","				    $content=str_replace("]_]",">",$content);
				    $content=str_replace("|_|"," ",$content);
				   return trim($content);
				 }
				 function msubstr($str,$start,$len) { 
				    $strlen=$start+$len; 
				    for($i=0;$i				        if(ord(substr($str,$i,1))>0xa0) { 
				            $tmpstr.=substr($str,$i,2); 
				            $i++; 
				        } else 
				            $tmpstr.=substr($str,$i,1); 
				    } 
				    return $tmpstr; 
				}
				?>