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php-manual-en-5.5.7-1.mga4.noarch.rpm

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  <title>Examples</title>

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</div><hr /><div id="yar.examples" class="chapter">
 <h1>Examples</h1>

 <div class="example" id="example-5334">
  <p><strong>Example #1 Yar Server Example</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">/*&nbsp;assume&nbsp;this&nbsp;page&nbsp;can&nbsp;be&nbsp;accessed&nbsp;by&nbsp;http://example.com/operator.php&nbsp;*/<br /><br /></span><span style="color: #007700">class&nbsp;</span><span style="color: #0000BB">Operator&nbsp;</span><span style="color: #007700">{<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">/**<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Add&nbsp;two&nbsp;operands<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;interge&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@return&nbsp;interge<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">public&nbsp;function&nbsp;</span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$b</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">_add</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$b</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">/**<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Sub&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">public&nbsp;function&nbsp;</span><span style="color: #0000BB">sub</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$b</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">$a&nbsp;</span><span style="color: #007700">-&nbsp;</span><span style="color: #0000BB">$b</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">/**<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Mul<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">public&nbsp;function&nbsp;</span><span style="color: #0000BB">mul</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$b</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">$a&nbsp;</span><span style="color: #007700">*&nbsp;</span><span style="color: #0000BB">$b</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">/**<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Protected&nbsp;methods&nbsp;will&nbsp;not&nbsp;be&nbsp;exposed<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;interge&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@return&nbsp;interge<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">protected&nbsp;function&nbsp;</span><span style="color: #0000BB">_add</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$b</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">$a&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">$b</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /><br /></span><span style="color: #0000BB">$server&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">Yar_Server</span><span style="color: #007700">(new&nbsp;</span><span style="color: #0000BB">Operator</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">$server</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">handle</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
  </div>

 </div>

 <div class="example" id="example-5335">
  <p><strong>Example #2 Access the server in borwser(GET request)</strong></p>
  <div class="example-contents"><p>The above example will output
something similar to:</p></div>
  <div class="mediaobject">
   
   <div class="imageobject">
    <img src="images/4fd86c7f1b197d1d954ad0f4b033dc93-yar.png" alt="Yar Server Info" width="700px"  />
   </div>
  </div>
 </div>

 <div class="example" id="example-5336">
  <p><strong>Example #3 Yar Client Example</strong></p>
  <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$client&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">yar_client</span><span style="color: #007700">(</span><span style="color: #DD0000">"http://example.com/operator.php"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;call&nbsp;directly&nbsp;*/<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$client</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">/*&nbsp;call&nbsp;via&nbsp;call&nbsp;*/<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$client</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">call</span><span style="color: #007700">(</span><span style="color: #DD0000">"add"</span><span style="color: #007700">,&nbsp;array(</span><span style="color: #0000BB">3</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">)));<br /><br /><br /></span><span style="color: #FF8000">/*&nbsp;__add&nbsp;can&nbsp;not&nbsp;be&nbsp;called&nbsp;*/<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$client</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">_add</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
  </div>

  <div class="example-contents"><p>The above example will output
something similar to:</p></div>
   <div class="example-contents screen">
<div class="cdata"><pre>
int(3)
int(5)
PHP Fatal error:  Uncaught exception &#039;Yar_Server_Exception&#039; with message &#039;call to api Operator::_add() failed&#039; in *
</pre></div>
   </div>
 </div>

 <div class="example" id="example-5337">
  <p><strong>Example #4 Yar Concurrent Client Example</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: #007700">function&nbsp;</span><span style="color: #0000BB">callback</span><span style="color: #007700">(</span><span style="color: #0000BB">$ret</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$callinfo</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">$callinfo</span><span style="color: #007700">[</span><span style="color: #DD0000">'method'</span><span style="color: #007700">]&nbsp;,&nbsp;</span><span style="color: #DD0000">"&nbsp;result:&nbsp;"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">/*&nbsp;register&nbsp;async&nbsp;call&nbsp;to&nbsp;remote&nbsp;services&nbsp;*/<br /></span><span style="color: #0000BB">Yar_Concurrent_Client</span><span style="color: #007700">::</span><span style="color: #0000BB">call</span><span style="color: #007700">(</span><span style="color: #DD0000">"http://example.com/operator.php"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"add"</span><span style="color: #007700">,&nbsp;array(</span><span style="color: #0000BB">1</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">),&nbsp;</span><span style="color: #DD0000">"callback"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">Yar_Concurrent_Client</span><span style="color: #007700">::</span><span style="color: #0000BB">call</span><span style="color: #007700">(</span><span style="color: #DD0000">"http://example.com/operator.php"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"sub"</span><span style="color: #007700">,&nbsp;array(</span><span style="color: #0000BB">2</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">),&nbsp;</span><span style="color: #DD0000">"callback"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">Yar_Concurrent_Client</span><span style="color: #007700">::</span><span style="color: #0000BB">call</span><span style="color: #007700">(</span><span style="color: #DD0000">"http://example.com/operator.php"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"mul"</span><span style="color: #007700">,&nbsp;array(</span><span style="color: #0000BB">2</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">),&nbsp;</span><span style="color: #DD0000">"callback"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;sent&nbsp;all&nbsp;request&nbsp;and&nbsp;wait&nbsp;for&nbsp;response&nbsp;*/<br /></span><span style="color: #0000BB">Yar_Concurrent_Client</span><span style="color: #007700">::</span><span style="color: #0000BB">loop</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
  </div>

  <div class="example-contents"><p>The above example will output
something similar to:</p></div>
  <div class="example-contents screen">
<div class="cdata"><pre>
mul result: 4
sub result: 1
add result: 3
</pre></div>
   </div>
 </div>

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