ap

/*--------------view.php-----------------------------------*/
<?php
header("Content-Type: text/html; charset=utf-8");
if(!empty($_FILES['txt']['tmp_name']) && file_exists($_FILES['txt']['tmp_name']))
{
    $text = addslashes(file_get_contents($_FILES['txt']['tmp_name']));
    include("parcer.php");
    include("analyze.php");
    $prc = new parcer($text);
    $sts = $prc->Suggestions();
    analyze($sts);
    /*foreach($sts as $a)
    {
        print(md5($a)."\n");
    }
    print_r($sts);
    echo $text;*/
}
else
{
    echo '
   <div>
   <form action="view.php" method="post" enctype="multipart/form-data">
   <p>Текст для анализа:
   <p><input type="file" name="txt" />
   <p><input type="submit" value="Отправить" />
   </form>
   </div>
   ';
}
?>


/*-----------------------------analyze.php--------------------------------------*/
<?php
function analyze($sentences)
{
    include("sql.php");
    $count = 0;
    $size = count($sentences);
    foreach($sentences as $a)
    {
        $hash = md5($a);
        $res = mysqli_query($sql, "select count(*) FROM `sentences` WHERE `hash` ='$hash'") or die();
        $row = mysqli_fetch_row($res);
        if ($row[0] > 0)
        {
            $count++;
        }
        else
        {
            mysqli_query($sql, "insert into `sentences` (`hash`) value ('$hash')");
        }
    }
    echo $count." повторов, что составляет " . $count/$size*100 . "% текста.";
}
?>

/*---------------------parcer.php----------------------------------*/
<?php
Class parcer
{
    var $text;
    function parcer($text='')
    {
        $text=preg_replace('#<.*?>#msi','',$text);
        $this->text=$text;
    }
    function Suggestions()
    {
        $r='';
        if($this->text)
        {
            preg_match_all('#((?:(?-i)[А-Я, A-Z]).*(?<=(?:[а-я, a-z, 0-9\)\"\\\'\s]))\.)#Uui',$this->text, $res);
            if(isset($res[0]) and is_array($res[0]))
            {
                foreach($res[0] as $a)
                if(!is_array($a))$r[]=$a;
            }
        }
        return $r;
    }
}
?>

/*-------------------------sql.php--------------------------------------------------*/
<?php
$sql=mysqli_connect("127.0.0.1","root","123789456","AP");
?>