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<div id="classobj.examples" class="appendix">
 <h1 class="title">Örnekler</h1>

 <p class="para">
  Bu örnekte, önce bir temel sınıf ve bu sınıfın bir türevini
  tanımlayacağız. Temel sınıf, genel olarak bitkileri, yenilebilirlikleri
  ve renkleri ile tanımlayacak. <var class="varname">Lahana</var> alt
  sınıfı, sebzenin pişirilebilir olup olmadığını bulan bir başka yöntem ekleyecek.
 </p>
 <p class="para">
  <div class="example" id="example-1">
   <p><strong>Örnek 1 - Sınıf Tanımları</strong></p>
   <div class="example-contents"><p><var class="varname">Bitki</var></p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">// Üye özellikler ve yöntemlerle temel sınıf<br /></span><span style="color: #007700">class </span><span style="color: #0000BB">Bitki </span><span style="color: #007700">{<br /><br />   public </span><span style="color: #0000BB">$yenir</span><span style="color: #007700">;<br />   public </span><span style="color: #0000BB">$renk</span><span style="color: #007700">;<br />   public </span><span style="color: #0000BB">$isim</span><span style="color: #007700">;<br /><br />   public function </span><span style="color: #0000BB">__construct</span><span style="color: #007700">(</span><span style="color: #0000BB">$yenir</span><span style="color: #007700">=</span><span style="color: #DD0000">""</span><span style="color: #007700">, </span><span style="color: #0000BB">$renk</span><span style="color: #007700">=</span><span style="color: #DD0000">"yeşil"</span><span style="color: #007700">, </span><span style="color: #0000BB">$isim</span><span style="color: #007700">=</span><span style="color: #DD0000">""</span><span style="color: #007700">)<br />   {<br />       </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">yenir </span><span style="color: #007700">= </span><span style="color: #0000BB">$yenir</span><span style="color: #007700">;<br />       </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">renk </span><span style="color: #007700">= </span><span style="color: #0000BB">$renk</span><span style="color: #007700">;<br />       </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isim </span><span style="color: #007700">= </span><span style="color: #0000BB">$isim</span><span style="color: #007700">;<br />   }<br /><br />   public function </span><span style="color: #0000BB">yenir_mi</span><span style="color: #007700">()<br />   {<br />       return </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">yenir</span><span style="color: #007700">;<br />   }<br /><br />   public function </span><span style="color: #0000BB">ne_renk</span><span style="color: #007700">()<br />   {<br />       return </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">renk</span><span style="color: #007700">;<br />   }<br /><br />   public function </span><span style="color: #0000BB">ismi</span><span style="color: #007700">()<br />   {<br />       return </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isim</span><span style="color: #007700">;<br />   }<br /><br />} </span><span style="color: #FF8000">// Bitki sınıfının sonu<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p><var class="varname">Lahana</var></p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">class </span><span style="color: #0000BB">Lahana </span><span style="color: #007700">extends </span><span style="color: #0000BB">Bitki </span><span style="color: #007700">{<br /><br />   public </span><span style="color: #0000BB">$pişirilir </span><span style="color: #007700">= </span><span style="color: #DD0000">"evet"</span><span style="color: #007700">;<br /><br />   public function </span><span style="color: #0000BB">__construct</span><span style="color: #007700">(</span><span style="color: #0000BB">$yenir</span><span style="color: #007700">=</span><span style="color: #DD0000">"evet"</span><span style="color: #007700">, </span><span style="color: #0000BB">$renk</span><span style="color: #007700">=</span><span style="color: #DD0000">"yeşil"</span><span style="color: #007700">, </span><span style="color: #0000BB">$isim</span><span style="color: #007700">=</span><span style="color: #DD0000">"Lahana"</span><span style="color: #007700">)<br />   {<br />       </span><span style="color: #0000BB">parent</span><span style="color: #007700">::</span><span style="color: #0000BB">__construct</span><span style="color: #007700">(</span><span style="color: #0000BB">$yenir</span><span style="color: #007700">, </span><span style="color: #0000BB">$renk</span><span style="color: #007700">, </span><span style="color: #0000BB">$isim</span><span style="color: #007700">);<br />   }<br /><br />   public function </span><span style="color: #0000BB">pişirilir</span><span style="color: #007700">()<br />   {<br />       </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">pişirilir </span><span style="color: #007700">= </span><span style="color: #DD0000">"evet"</span><span style="color: #007700">;<br />   }<br /><br />   public function </span><span style="color: #0000BB">pişirilir_mi</span><span style="color: #007700">()<br />   {<br />       return </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">pişirilir</span><span style="color: #007700">;<br />   }<br /><br />} </span><span style="color: #FF8000">// Lahana sınıfının sonu<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>
 </p>
 <p class="para">
  Bu sınıflardan iki nesne örnekleyip, ata sınıfları dahil bunlar hakkındaki
  tüm bilgiyi çıktılayacağız. Ayrıca, değişkenlerin çıktılarını güzelleştirmek
  için bazı ek işlevler tanımlayacağız.
 </p>
 <p class="para">
  <div class="example" id="example-2">
   <p><strong>Örnek 2 dnm.php</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">// sınıfları yüklemek için otomatik yükleyiciyi kaydet<br /></span><span style="color: #0000BB">spl_autoload_register</span><span style="color: #007700">();<br /><br />function </span><span style="color: #0000BB">printProperties</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">)<br />{<br />    foreach (</span><span style="color: #0000BB">get_object_vars</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">) as </span><span style="color: #0000BB">$prop </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$val</span><span style="color: #007700">) {<br />        echo </span><span style="color: #DD0000">"\t</span><span style="color: #0000BB">$prop</span><span style="color: #DD0000"> = </span><span style="color: #0000BB">$val</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />    }<br />}<br /><br />function </span><span style="color: #0000BB">printMethods</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">)<br />{<br />    </span><span style="color: #0000BB">$arr </span><span style="color: #007700">= </span><span style="color: #0000BB">get_class_methods</span><span style="color: #007700">(</span><span style="color: #0000BB">get_class</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">));<br />    foreach (</span><span style="color: #0000BB">$arr </span><span style="color: #007700">as </span><span style="color: #0000BB">$method</span><span style="color: #007700">) {<br />        echo </span><span style="color: #DD0000">"\t</span><span style="color: #0000BB">$method</span><span style="color: #DD0000">() işlevi\n"</span><span style="color: #007700">;<br />    }<br />}<br /><br />function </span><span style="color: #0000BB">objectBelongsTo</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">, </span><span style="color: #0000BB">$class</span><span style="color: #007700">)<br />{<br />    if (</span><span style="color: #0000BB">is_subclass_of</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">, </span><span style="color: #0000BB">$class</span><span style="color: #007700">)) {<br />        echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$obj</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isim</span><span style="color: #DD0000">, </span><span style="color: #0000BB">$class</span><span style="color: #DD0000"> sınıfının alt sınıfı olan "</span><span style="color: #007700">;<br />        echo </span><span style="color: #0000BB">get_class</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">), </span><span style="color: #DD0000">" sınıfındandır.\n"</span><span style="color: #007700">;<br />    } else {<br />        echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$obj</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isim</span><span style="color: #DD0000">, </span><span style="color: #0000BB">$class</span><span style="color: #DD0000"> sınıfının alt sınıflarından değildir.\n"</span><span style="color: #007700">;<br />    }<br />}<br /><br /></span><span style="color: #FF8000">// 2 nesne örnekleyelim<br /><br /></span><span style="color: #0000BB">$sebze </span><span style="color: #007700">= new </span><span style="color: #0000BB">Bitki</span><span style="color: #007700">(</span><span style="color: #DD0000">"belki"</span><span style="color: #007700">, </span><span style="color: #DD0000">"yeşil"</span><span style="color: #007700">, </span><span style="color: #DD0000">"sebze"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$tombul </span><span style="color: #007700">= new </span><span style="color: #0000BB">Lahana</span><span style="color: #007700">(</span><span style="color: #DD0000">"evet"</span><span style="color: #007700">, </span><span style="color: #DD0000">"mavi"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Brüksel Lahanası"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Nesne bilgilerini basalım<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"sebze: " </span><span style="color: #007700">. </span><span style="color: #0000BB">get_class</span><span style="color: #007700">(</span><span style="color: #0000BB">$sebze</span><span style="color: #007700">) . </span><span style="color: #DD0000">" sınıfında\n"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"tombul: " </span><span style="color: #007700">. </span><span style="color: #0000BB">get_class</span><span style="color: #007700">(</span><span style="color: #0000BB">$tombul</span><span style="color: #007700">) . </span><span style="color: #DD0000">" sınıfında"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">", ATA sınıfı " </span><span style="color: #007700">. </span><span style="color: #0000BB">get_parent_class</span><span style="color: #007700">(</span><span style="color: #0000BB">$tombul</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Özellikleri gösterelim<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"\nsebze: Özellikler\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">printProperties</span><span style="color: #007700">(</span><span style="color: #0000BB">$sebze</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"\n\ntombul: Özellikler\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">printProperties</span><span style="color: #007700">(</span><span style="color: #0000BB">$tombul</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// ve tompul yöntemleri<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"\ntombul: Yöntemler\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">printMethods</span><span style="color: #007700">(</span><span style="color: #0000BB">$tombul</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"\nEbeveynler:\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">objectBelongsTo</span><span style="color: #007700">(</span><span style="color: #0000BB">$tombul</span><span style="color: #007700">, </span><span style="color: #0000BB">Lahana</span><span style="color: #007700">::class);<br /></span><span style="color: #0000BB">objectBelongsTo</span><span style="color: #007700">(</span><span style="color: #0000BB">$tombul</span><span style="color: #007700">, </span><span style="color: #0000BB">Bitki</span><span style="color: #007700">::class);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>
Yukarıdaki örneklerin çıktısı:</p></div>
   <div class="example-contents screen">
<div class="cdata"><pre>
sebze: Bitki sınıfında
tombul: Lahana sınıfında, ATA sınıfı Bitki

sebze: Özellikler
        yenir = belki
        renk = yeşil
        isim = sebze


tombul: Özellikler
        pişirilir = evet
        yenir = evet
        renk = mavi
        isim = Brüksel Lahanası

tombul: Yöntemler
        __construct() işlevi
        pişirilir() işlevi
        pişirilir_mi() işlevi
        yenir_mi() işlevi
        ne_renk() işlevi
        ismi() işlevi

Ebeveynler:
Brüksel Lahanası, Lahana sınıfının alt sınıflarından değildir.
Brüksel Lahanası, Bitki sınıfının alt sınıfı olan Lahana sınıfındandır.
</pre></div>
   </div>
   <div class="example-contents"><p>
    Yukarıdaki örnekte önemli şeylerden biri, <var class="varname">$tombul</var>
    nesnesinin <span class="classname"><strong class="classname">Lahana</strong></span> sınıfının bir örneği,
    <span class="classname"><strong class="classname">Lahana</strong></span> sınıfının ise <span class="classname"><strong class="classname">Bitki</strong></span>
    sınıfının ise bir alt sınıfı oluşudur.
   </p></div>
  </div>
 </p>
</div>
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