Deteksi Kemiripan Dokumen Teks Menggunakan Algoritma Manber

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LAMPIRAN: KODE PROGRAM

1. index.php

<html>

<title>Tampilan Awal Sistem</title> <table border = "0" width ="100%"> <tr>

<center> PDF Uji :

<button type="submit" class="btn btn-default">Submit</button> <div class="container">

</center> </form> </th> </tr>

<tr>

<button type = "button"

onclick="getIframeContent1('iframe1')">Cetak Teks PDF Uji</button><br><br>

<textarea id="textarea1" name="textarea1"

onfocus="clearContents(this);" title= "Textarea Harus Diisi" required = "required">Input Teks Uji Secara Manual</textarea> </div>

</td> </tr>

<!—Tombol Proses Pendeteksian--> </table>

</html>

2. pdf.php

<?php

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header('Content-Type: text/html; charset=UTF-8');

include 'vendor/autoload.php';

$message = ''; $texts = array();

if ($_SERVER['REQUEST_METHOD'] == 'POST') { try {

$content = '';

if (isset($_FILES['inputFile']) && $_FILES['inputFile']['type'] == 'application/pdf') {

$content = file_get_contents($_FILES['inputFile']['tmp_name']); }

if ($content) {

$parser = new \Smalot\PdfParser\Parser(); $pdf = $parser->parseContent($content); $pages = $pdf->getPages();

foreach ($pages as $page) { $texts[] = $page->getText(); }

} else {

throw new Exception('Unable to retrieve content. Check if it is really a pdf file.');

}

} catch(Exception $e) { $message = $e->getMessage(); }

} ?>

<html>

<?php if ($message): ?> <?php echo $message; ?> <?php endif; ?>

<?php if ($texts) : ?>

<?php foreach ($texts as $pos => $text) : ?> <?php echo $text; ?>

<?php endforeach; ?> <?php endif; ?> </html>

3. stemming.php

<?php

include "koneksi.php";

//Cek Kata Dasar Dalam Database function cari($kata){

$hasil = mysql_num_rows(mysql_query("SELECT katadasar FROM tb_katadasar WHERE katadasar='$kata'"));

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}

//1. Hapus Partikel : -kah, -lah, -tah, -pun function hapuspartikel($kata){

if(cari($kata) == 0){

if(substr($kata, -3) == 'kah' || substr($kata, -3) == 'lah' || substr($kata, -3) == 'pun' || substr($kata, -3) == 'tah'){ $kata1 = substr($kata, 0, -3);

$ak1 = hapusakhiran(hapusawalan2(hapusawalan1(hapuspp($kata1)))); if(cari($ak1) != 0){

$kata = $kata1; }

else{ $kata; } } else{ $kata; } } else{ $kata; }

return $kata; }

//2. Hapus Kata Ganti Orang : -ku, -mu, -nya

//3. Hapus Awalan1 :

//4. Hapus Awalan2 :

//5. Hapus Akhiran : -i, -kan, -an

?>

4. hasil.php

<html>

<title>Tampilan Hasil Sistem</title>

<?php

error_reporting(E_ALL ^ (E_NOTICE | E_WARNING | E_STRICT)); include_once 'stemming.php';

include 'koneksi.php';

//Waktu Mulai Eksekusi $mtime = microtime();

$mtime = explode(" ",$mtime); $mtime = $mtime[1] + $mtime[0]; $starttime = $mtime;

//Nilai N-Gram Dan Modulo $k = $_POST['n-gram']; $mdl = 1;

//Proses Teks Uji :

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$txt1a = strtolower($txt1);

$txta = preg_replace('#[^a-zA-Z0-9 ]#', ' ', $txt1a);

//1a. Stemming

$d1 = explode(" ", $txta); $counta = count($d1);

for($ij=0;$ij<$counta;$ij++){

//2a. Sinonim

$st4 = explode(" ", $st3); $countb = count($st4); for($i=0;$i<$countb;$i++){

$a = mysql_query("select * from tb_katasinonim where sinonim = '$st4[$i]'");

$b = mysql_fetch_array($a); if($b){

$r = $b[katasinonim]; }

else{

$r = $st4[$i]; }

$r3 = $r3.$r." ";

//Menghapus string yang hanya memiliki panjang < 4 if(strlen($r) > 3){

$r3a = $r3a.$r." "; }

$r3b = $r3a; }

//Algoritma Manber

//3a. Hapus Whitespace

$r1 = preg_replace("/[^A-Za-z0-9]/", '', $r3b);

//4a. N-Gram

$x = strlen($r1); for($j=0;$j<$x;$j++){ $z = substr($r1,0+$j,$k);

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$p111 = $p111.$p1." "; }

}

//6a. Fingerprint $o = $x - ($k - 1); for($h=0;$h<$o;$h++){ $mod1 = $p11[$h] % $mdl; if($mod1 == 0){

$array1 = $p11[$h]." "; $array12 = $array12.$array1; $array11[] = $array1;

$co1 = $co1 + 1; }

}

for ($ii = 0; $ii < $len; $ii++) { $arr1 = $array11[$ii]." ";

$arr11 = $arr11.$arr1; $arr111[] = $arr1; }

//7. Persamaan Jaccard Coefficient $hasil = round($xx / ($xyz) * 100 , 2);

//Waktu Eksekusi Sistem $mtime = microtime();

$mtime = explode(" ",$mtime); $mtime = $mtime[1] + $mtime[0]; $endtime = $mtime;

$totaltime = round($endtime - $starttime , 3);

echo "<br><br>Waktu Proses Pendeteksian ".$totaltime." detik";