PHP Simple implementation of paging function for text files

PHP is simple to implement the paging function of text files

PHP is simple to implement the paging function of text files

    
 
  
     <title>Paging</title>    
 Php//Chinese character handlingfunctionM_SUBSTR ($str,$start,$length){    $str _length=$start+$length;//get total intercept length    $tmp _str= "";  for($i= 0;$i<$str _length;$i++){        if(Ord(substr($str,$i, 1)) = = 0x0a){            $tmp _str.= "
"; }        if(Ord(substr($str,$i, 1)) >0xa0){            $tmp _str.=substr($str,$i, 2); $i++; }Else{            $tmp _str.=substr($str,$i, 1); }    }    return $tmp _str;}//pass-through parameter processingif(isset($_get[' Page '])){    $page=$_get[' Page '];}Else{    $page= 1;}$counter=file_get_contents("Example.txt");$length=strlen($counter);$page _count=Ceil($length/400);$pre _str= M_substr ($counter, 0, ($page-1) *400);$now _str= M_substr ($counter, 0,$page*400);Echo substr($now _str,strlen($pre _str),strlen($now _str)-strlen($pre _str));Echo"

";EchoThe current page.$page." /".$page _count;Echo"Index";if($page>1){    Echo"$page-1). "' >pre ";}if($page<$page _count){    Echo"$page+1). " >next ";}Echo"$page _count>end ";?>

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