momoy.php

<?php
  // Include Composer autoloader if not already done.
  include 'vendor/autoload.php';
  require('preprocess.php');
  require('stemming.php');
  // Parse pdf file and build necessary objects.

  $paths = glob('dokumen/*'); // membaca semua file dalam folder dokumen
  $docs = array();

  array_pop($paths);

  // print_r($paths);

  foreach($paths as $path){ // iterasi dokumen
    if(is_file($path)){
      $ext = pathinfo($path, PATHINFO_EXTENSION);

      if($ext=='pdf'){
        $parser = new \Smalot\PdfParser\Parser();

        $pdf = $parser->parseFile($path);

        $preview = $pdf->getText();

        $preprocess = new preprocess($preview);
        $keywords = $preprocess->preprocess(trim($preview));

        foreach ($keywords as $k => $value) {
          $keywords[$k] = proses(trim($value));
        }
        $keywords = array_filter($keywords);
        $keywords = array_values($keywords);

        $docs[] = $keywords;
      }else if($ext=='docx'){
        $x = read_docx($path);

        $preprocess = new preprocess($x);
        $keywords = $preprocess->preprocess(trim($x));

        foreach ($keywords as $k => $value) {
          $keywords[$k] = proses(trim($value));
        }
        $keywords = array_filter($keywords);
        $keywords = array_values($keywords);

        $docs[] = $keywords;
      }else if($ext=='txt'){
        $x = file_get_contents($path);

        $preprocess = new preprocess($x);
        $keywords = $preprocess->preprocess(trim($x));

        foreach ($keywords as $k => $value) {
          $keywords[$k] = proses(trim($value));
        }
        $keywords = array_filter($keywords);
        $keywords = array_values($keywords);

        $docs[] = $keywords;
      }
    }
  }

  echo "<br>";

  // print_r($paths);
  // Penetuan Query
  $queryWord = array(); //kata query
  foreach ($docs as $key => $doc) {
    foreach ($doc as $k => $q) {
      if(!in_array($q, $queryWord)){
        $queryWord[] = $q;
      }
    }
  }
  // print_r($queryWord);
  // Penetuan Query

  $tempCountVal = array();
  foreach ($docs as $key => $doc) {
    $countVal = array_count_values($doc);
    // print_r($doc);
    // echo "<br/>";
    $tempCountVal[] = $countVal;
    // print_r($countVal);
    // echo "<br/>";
    // echo "<br/>";
  }
  // print_r($tempCountVal);

  $bobotTerm = array();
  foreach ($queryWord as $key => $value) {
    // echo "<br>".$key.". ".$value."<br>";

    $q = array();
    foreach ($tempCountVal as $keyVal => $val) {
      $tempVal;
      foreach ($val as $k => $v) {
        if($value==$k){
          $tempVal = $v;
          break;
        }
        else {
          $tempVal = 0;
        }
      }

      $q[$keyVal] = $tempVal;
    }

    $qq = array();

    $qq['kata'] = $value;
    $qTemp = array();
    foreach ($q as $q1 => $q2) {
      $nFile = str_replace('dokumen/', '', $paths[$q1]);
      $nFile = str_replace('.pdf', '', $nFile);
      $qTemp[$q1] = $q2;
    }
    $qq['bobot'] = $qTemp;

    $bobotTerm[] = $qq;
  }
  // print_r($bobotTerm);
?>

<!-- tabel bobot term -->
<table class="table table-responsive table-striped table-hover">
  <thead>
    <tr>
      <th align="center" style="width: 5%">No. </th>
      <th>Term. </th>
      <?php
        $listDoc = array();
        foreach ($paths as $key => $path) {
          $nFile = str_replace('dokumen/', '', $path);
          $nFile = str_replace('.pdf', '', $nFile);
          $listDoc[$key] = $nFile;
              echo ($key+1).". ".$nFile."<br>";
          echo "<th align='center' style='width:15%'>".$nFile."</th>";
        }

      ?>
    </tr>
  </thead>
  <tbody>
    <?php
      foreach ($bobotTerm as $key => $value) {
        echo "<tr>";
          echo "<td>".($key+1)."</td>";
          echo "<td>".($value['kata'])."</td>";
          foreach ($value['bobot'] as $v => $val) {
            $nFile = str_replace('dokumen/', '', $paths[$v]);
            $nFile = str_replace('.pdf', '', $nFile);
            echo "<td>".($val)."</td>";
          }
        echo "</tr>";
      }
    ?>
  </tbody>
</table>
<!-- tabel bobot term -->

<?php
  // perhitungan persilangan dokumen
  $cosine = array();
  foreach ($bobotTerm as $key => $value) {
    for($i=0; $i<sizeof($paths); $i++){
      $cosTemp = array();
      for($j=0; $j<sizeof($paths); $j++){
        if($i<$j){
          $crossTemp = $value['bobot'][$i]*$value['bobot'][$j];
          $cosine[$i." & ".$j][] = $crossTemp;
        }else{
          #echo "nope";
       }
      }
    }
  }
  // print_r($cosine);
  // perhitungan persilangan dokumen


  // hitung cosine similarity
  $totalArr = array();
  foreach ($cosine as $key => $value) {
    $tot = 0;
    $calculate = 0;

    // echo "(".$key.") ";
    foreach ($value as $k => $val) {
    //   if(sizeof($value)-1>$k){
    //     echo $val."+";
    //   }else{
    //     echo $val;
    //   }
      $tot += $val;
    }
    // echo " = ".$tot;
    // echo "<br/>";
    $data = explode(" & ", $key);
    $tArr = array();
    foreach ($data as $d => $dv) {
      $totalSqrt = 0;
      foreach ($bobotTerm as $bkey => $value) {
        // if(sizeof($bobotTerm)-1>$bkey)
        //   echo ($value['bobot'][$dv]*$value['bobot'][$dv])."+";
        // else{
        //   echo ($value['bobot'][$dv]*$value['bobot'][$dv]);
        // }
        $totalSqrt+=($value['bobot'][$dv]*$value['bobot'][$dv]);
      }
      // echo " = ".$totalSqrt;
      // echo "<br/>";
      $tArr[] = $totalSqrt;
    }

    $sqrtTemp = 1;
    // echo "total = ".$tot."/(";
    foreach ($tArr as $t1 => $tval) {
      $sqrtTemp = sqrt($tval)*$sqrtTemp;
      // if(sizeof($tArr)-1>$t1){
      //   echo "v".$tval." x ";
      // }else {
      //   echo "v".$tval;
      // }
    }
    // echo ") = ";
    // echo round($tot/$sqrtTemp, 3);
    $totalArr[$key] = round($tot/$sqrtTemp, 3);
    // print_r($totalArr);
    // echo "<br/><br/>";
  }
  // hitung cosine similarity
  // print_r($totalArr);
  // hitung persentasi
  $seratus = array_sum($totalArr);
  //foreach ($totalArr as $key => $value) {
    //echo $key." -> ".round((($value/$seratus)*100), 3)."<br/>";
  //}
  // hitung persentasi

  function read_docx($filename){

    $striped_content = '';
    $content = '';

    if(!$filename || !file_exists($filename)) return false;

    $zip = zip_open($filename);
    if (!$zip || is_numeric($zip)) return false;

    while ($zip_entry = zip_read($zip)) {

        if (zip_entry_open($zip, $zip_entry) == FALSE) continue;

        if (zip_entry_name($zip_entry) != "word/document.xml") continue;

        $content .= zip_entry_read($zip_entry, zip_entry_filesize($zip_entry));

        zip_entry_close($zip_entry);
    }
    zip_close($zip);
    $content = str_replace('</w:r></w:p></w:tc><w:tc>', " ", $content);
    $content = str_replace('</w:r></w:p>', "\r\n", $content);
    $striped_content = strip_tags($content);

    return $striped_content;
  }

?>