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?>
<div id="ffi.examples-complete" class="section">
  <h2 class="title">Um exemplo completo de PHP/FFI/pré-carregamento</h2>
  <div class="informalexample">
   <p class="simpara"><var class="filename">php.ini</var></p>
   <div class="example-contents">
<div class="inicode"><pre class="inicode">ffi.enable=preload
opcache.preload=preload.php</pre>
</div>
   </div>

   <p class="simpara"><var class="filename">preload.php</var></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />FFI</span><span style="color: #007700">::</span><span style="color: #0000BB">load</span><span style="color: #007700">(</span><span style="color: #0000BB">__DIR__ </span><span style="color: #007700">. </span><span style="color: #DD0000">"/dummy.h"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">opcache_compile_file</span><span style="color: #007700">(</span><span style="color: #0000BB">__DIR__ </span><span style="color: #007700">. </span><span style="color: #DD0000">"/dummy.php"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <p class="simpara"><var class="filename">dummy.h</var></p>
   <div class="example-contents">
<div class="ccode"><pre class="ccode">#define FFI_SCOPE &quot;DUMMY&quot;
#define FFI_LIB &quot;libc.so.6&quot;

int printf(const char *format, ...);</pre>
</div>
   </div>

   <p class="simpara"><var class="filename">dummy.php</var></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">final class </span><span style="color: #0000BB">Dummy </span><span style="color: #007700">{<br />    private static </span><span style="color: #0000BB">$ffi </span><span style="color: #007700">= </span><span style="color: #0000BB">null</span><span style="color: #007700">;<br />    function </span><span style="color: #0000BB">__construct</span><span style="color: #007700">() {<br />        if (</span><span style="color: #0000BB">is_null</span><span style="color: #007700">(</span><span style="color: #0000BB">self</span><span style="color: #007700">::</span><span style="color: #0000BB">$ffi</span><span style="color: #007700">)) {<br />            </span><span style="color: #0000BB">self</span><span style="color: #007700">::</span><span style="color: #0000BB">$ffi </span><span style="color: #007700">= </span><span style="color: #0000BB">FFI</span><span style="color: #007700">::</span><span style="color: #0000BB">scope</span><span style="color: #007700">(</span><span style="color: #DD0000">"DUMMY"</span><span style="color: #007700">);<br />        }<br />    }<br />    function </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #0000BB">$format</span><span style="color: #007700">, ...</span><span style="color: #0000BB">$args</span><span style="color: #007700">) {<br />       return (int) </span><span style="color: #0000BB">self</span><span style="color: #007700">::</span><span style="color: #0000BB">$ffi</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #0000BB">$format</span><span style="color: #007700">, ...</span><span style="color: #0000BB">$args</span><span style="color: #007700">);<br />    }<br />}<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <p class="simpara"><var class="filename">test.php</var></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$d </span><span style="color: #007700">= new </span><span style="color: #0000BB">Dummy</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$d</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Olá, %s!\n"</span><span style="color: #007700">, </span><span style="color: #DD0000">"mundo"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

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