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?>
<div id="function.imagegd" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">imagegd</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.7, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">imagegd</span> &mdash; <span class="dc-title">Output GD image to browser or file</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.imagegd-description">
  <h3 class="title">Beschreibung</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>imagegd</strong></span>(<span class="methodparam"><span class="type"><a href="class.gdimage.php" class="type GdImage">GdImage</a></span> <code class="parameter">$image</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$file</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   Outputs or saves the given <code class="parameter">image</code> in GD format.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.imagegd-parameters">
  <h3 class="title">Parameter-Liste</h3>
  <p class="para">
   <dl>
    <dt>
<code class="parameter">image</code></dt><dd><p class="para">Ein <span class="classname"><a href="class.gdimage.php" class="classname">GdImage</a></span>-Objekt, das von einer der Funktionen zur Bilderzeugung, z. B.
<span class="function"><a href="function.imagecreatetruecolor.php" class="function">imagecreatetruecolor()</a></span>, zurückgegeben wurde.</p></dd>
    
     <dt><code class="parameter">file</code></dt>
     <dd>
      <p class="para">Der Pfad oder eine offene Stream-Ressource (die nach der Beendigung dieser Funktion automatisch geschlossen wird), in dem bzw. der die Datei gespeichert werden soll. Falls nicht gesetzt oder <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>, wird der rohe Bilddatenstrom direkt ausgegeben.</p>
     </dd>
    
   </dl>
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.imagegd-returnvalues">
  <h3 class="title">Rückgabewerte</h3>
  <p class="para">
   Gibt bei Erfolg <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> zurück. Bei einem Fehler wird <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> zurückgegeben.
  </p>
  <div class="caution"><strong class="caution">Achtung</strong><p class="simpara">Wenn libgd das Bild nicht ausgeben kann, gibt diese Funktion <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> zurück.</p></div>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.imagegd-changelog">
  <h3 class="title">Changelog</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>Version</th>
       <th>Beschreibung</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>8.0.3</td>
       <td>
        <code class="parameter">file</code> is now nullable.
       </td>
      </tr>

      <tr>
 <td>8.0.0</td>
 <td>
  <code class="parameter">image</code> erwartet nun eine
  <span class="classname"><a href="class.gdimage.php" class="classname">GdImage</a></span>-Instanz; vorher wurde eine gültige
  <code class="literal">gd</code>-<span class="type">Ressource</span> erwartet.
 </td>
</tr>

      <tr>
       <td>7.2.0</td>
       <td>
        <span class="function"><strong>imagegd()</strong></span> now allows to output truecolor images.
        Formerly, these have been implicitly converted to palette.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.imagegd-examples">
  <h3 class="title">Beispiele</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Beispiel #1 Outputting a GD image</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// Create a blank image and add some text<br /></span><span style="color: #0000BB">$im </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecreatetruecolor</span><span style="color: #007700">(</span><span style="color: #0000BB">120</span><span style="color: #007700">, </span><span style="color: #0000BB">20</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$text_color </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">233</span><span style="color: #007700">, </span><span style="color: #0000BB">14</span><span style="color: #007700">, </span><span style="color: #0000BB">91</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagestring</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">,  </span><span style="color: #DD0000">"A Simple Text String"</span><span style="color: #007700">, </span><span style="color: #0000BB">$text_color</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Output the image<br /></span><span style="color: #0000BB">imagegd</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

   </div>
  </p>
  <p class="para">
   <div class="example" id="example-2">
    <p><strong>Beispiel #2 Saving a GD image</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// Create a blank image and add some text<br /></span><span style="color: #0000BB">$im </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecreatetruecolor</span><span style="color: #007700">(</span><span style="color: #0000BB">120</span><span style="color: #007700">, </span><span style="color: #0000BB">20</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$text_color </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">233</span><span style="color: #007700">, </span><span style="color: #0000BB">14</span><span style="color: #007700">, </span><span style="color: #0000BB">91</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagestring</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">,  </span><span style="color: #DD0000">"A Simple Text String"</span><span style="color: #007700">, </span><span style="color: #0000BB">$text_color</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Save the gd image<br />// The file format for GD images is .gd, see http://www.libgd.org/GdFileFormats<br /></span><span style="color: #0000BB">imagegd</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #DD0000">'simple.gd'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

   </div>
  </p>
 </div>

 <div class="refsect1 notes" id="refsect1-function.imagegd-notes">
  <h3 class="title">Anmerkungen</h3>
  <blockquote class="note"><p><strong class="note">Hinweis</strong>: 
   <p class="para">
    The GD format is commonly used to allow fast loading of parts of images.
    Note that the GD format is only usable in GD-compatible applications.
   </p>
  </p></blockquote>
  <div class="warning"><strong class="warning">Warnung</strong><p class="simpara">Die Bildformate
GD und GD2 sind proprietäre Bildformate von libgd. Sie sind als <em>veraltet</em>
anzusehen, und sollten nur zu Entwicklungs- und Testzwecken verwendet werden.</p></div>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.imagegd-seealso">
  <h3 class="title">Siehe auch</h3>
  <ul class="simplelist">
   <li><span class="function"><a href="function.imagegd2.php" class="function" rel="rdfs-seeAlso">imagegd2()</a> - Output GD2 image to browser or file</span></li>
  </ul>
 </div>

</div><?php manual_footer($setup); ?>