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?>
<div id="fdf.examples" class="chapter">
 <h1 class="title">Примеры</h1>

 <p class="para">
  Следующий пример демонстрирует простую обработку данных.
  <div class="example" id="example-1">
   <p><strong>Пример #1 Обработка документа FDF</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">// Откроем fdf из входной строки, предоставляемой этим модулем<br />// Форма pdf содержит несколько полей для ввода со следующими именами:<br />// volume, date, comment, publisher, preparer, и два чекбокса<br />// show_publisher и show_preparer.<br /></span><span style="color: #0000BB">$fdf </span><span style="color: #007700">= </span><span style="color: #0000BB">fdf_open_string</span><span style="color: #007700">(</span><span style="color: #0000BB">$HTTP_FDF_DATA</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$volume </span><span style="color: #007700">= </span><span style="color: #0000BB">fdf_get_value</span><span style="color: #007700">(</span><span style="color: #0000BB">$fdf</span><span style="color: #007700">, </span><span style="color: #DD0000">"volume"</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"Поле volume содержит '&lt;b&gt;</span><span style="color: #0000BB">$volume</span><span style="color: #DD0000">&lt;/b&gt;'&lt;br /&gt;"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$date </span><span style="color: #007700">= </span><span style="color: #0000BB">fdf_get_value</span><span style="color: #007700">(</span><span style="color: #0000BB">$fdf</span><span style="color: #007700">, </span><span style="color: #DD0000">"date"</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"Поле date содержит '&lt;b&gt;</span><span style="color: #0000BB">$date</span><span style="color: #DD0000">&lt;/b&gt;'&lt;br /&gt;"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$comment </span><span style="color: #007700">= </span><span style="color: #0000BB">fdf_get_value</span><span style="color: #007700">(</span><span style="color: #0000BB">$fdf</span><span style="color: #007700">, </span><span style="color: #DD0000">"comment"</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"Поле comment содержит '&lt;b&gt;</span><span style="color: #0000BB">$comment</span><span style="color: #DD0000">&lt;/b&gt;'&lt;br /&gt;"</span><span style="color: #007700">;<br /><br />if (</span><span style="color: #0000BB">fdf_get_value</span><span style="color: #007700">(</span><span style="color: #0000BB">$fdf</span><span style="color: #007700">, </span><span style="color: #DD0000">"show_publisher"</span><span style="color: #007700">) == </span><span style="color: #DD0000">"On"</span><span style="color: #007700">) {<br />  </span><span style="color: #0000BB">$publisher </span><span style="color: #007700">= </span><span style="color: #0000BB">fdf_get_value</span><span style="color: #007700">(</span><span style="color: #0000BB">$fdf</span><span style="color: #007700">, </span><span style="color: #DD0000">"publisher"</span><span style="color: #007700">);<br />  echo </span><span style="color: #DD0000">"Поле publisher содержит '&lt;b&gt;</span><span style="color: #0000BB">$publisher</span><span style="color: #DD0000">&lt;/b&gt;'&lt;br /&gt;"</span><span style="color: #007700">;<br />} else<br />  echo </span><span style="color: #DD0000">"Поле publisher не должно быть показано.&lt;br /&gt;"</span><span style="color: #007700">;<br /><br />if (</span><span style="color: #0000BB">fdf_get_value</span><span style="color: #007700">(</span><span style="color: #0000BB">$fdf</span><span style="color: #007700">, </span><span style="color: #DD0000">"show_preparer"</span><span style="color: #007700">) == </span><span style="color: #DD0000">"On"</span><span style="color: #007700">) {<br />  </span><span style="color: #0000BB">$preparer </span><span style="color: #007700">= </span><span style="color: #0000BB">fdf_get_value</span><span style="color: #007700">(</span><span style="color: #0000BB">$fdf</span><span style="color: #007700">, </span><span style="color: #DD0000">"preparer"</span><span style="color: #007700">);<br />  echo </span><span style="color: #DD0000">"Поле preparer содержит '&lt;b&gt;</span><span style="color: #0000BB">$preparer</span><span style="color: #DD0000">&lt;/b&gt;'&lt;br /&gt;"</span><span style="color: #007700">;<br />} else<br />  echo </span><span style="color: #DD0000">"Поле preparer не должно быть показано.&lt;br /&gt;"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">fdf_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$fdf</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

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