<?php
include "vendor/autoload.php";
use PhpTreeTagger\TreeTagger;

try {
  $treeTagger = new TreeTagger("english", array(
      "treeTaggerPath"   => "/home/pi/TreeTagger", // Path to TreeTagger Library
      "debug"            => false,           // View Debug
      "wordUnique"       => false,           // Keep only one occurrence of the word
      "wordRemoveAccent" => true,            // Remove all accent in word
      "nbProcess"        => 6
    )
  );

  // Remove type in words
  $treeTagger->setCleanTypeWords(
    array("PRO:PER","DET:ART","DET:POS","SENT","PRP")
  );

  // Lemmatizer String or Array parameters, to array => ["La lemmatisation designe un traitement lexical", "apporte a un texte en vue de son analyse"]
  $result = $treeTagger->lemmatizer("I have a pen.");

  // View result :
  var_dump($result);
} catch(\Exception $e) {
  echo $e;
}
?>

array(1) {
  [0]=>array(2) {
       ["value"]=>string(12) "I have a pen"
       ["detail"]=>array(4) {
         [0]=>array(3) {
               ["source"]=>string(1) "I"
               ["type"]=>string(2) "PP"
               ["dest"]=>string(1) "I"
         }
         [1]=>array(3) {
               ["source"]=>string(4) "have"
               ["type"]=>string(3) "VHP"
               ["dest"]=>string(4) "have"
         }
         [2]=>array(3) {
               ["source"]=>string(1) "a"
               ["type"]=>string(2) "DT"
               ["dest"]=>string(1) "a"
         }
         [3]=>array(3) {
               ["source"]=>string(3) "pen"
               ["type"]=>string(2) "NN"
               ["dest"]=>string(3) "pen"
         }
       }
  }
}

<?php
  $statement = 'I have a pen.'; // ←実際にはフォームから取得
  include "/home/pi/vendor/autoload.php";
  use PhpTreeTagger\TreeTagger;

  try {
    $treeTagger = new TreeTagger("english", array(
      "treeTaggerPath"   =>  "/home/pi/TreeTagger",
      "debug"            =>  false,
      "wordUnique"       =>  false,
      "wordRemoveAccent" =>  true, 
      "nbProcess"        =>  6
      )
    );

    $treeTagger->setCleanTypeWords(
      array(
        "PRO:PER",
        "DET:ART",
        "DET:POS",
        "SENT",
        "PRP"
      )
    );

    $result = $treeTagger->lemmatizer($statement);
    $source = array();
    $type   = array();
    $dest   = array();
    foreach ($result[0]["detail"] as $key=>$value) {
      $source[$key] = $value["source"];
      $type[$key]   = $value["type"];
      $dest[$key]   = $value["dest"];
      echo $source[$key].' '.$type[$key].' '.$dest[$key]."
\n";
    }
  } catch(\Exception $e) {
    echo $e;
  }
?>