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<pre><span class="ruby-comment cmt"># File lib/rack/handler.rb, line 46</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">default</span>(<span class="ruby-identifier">options</span> = {})
<span class="ruby-comment cmt"># Guess.</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-constant">ENV</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-value str">"PHP_FCGI_CHILDREN"</span>)
<span class="ruby-comment cmt"># We already speak FastCGI</span>
<span class="ruby-identifier">options</span>.<span class="ruby-identifier">delete</span> <span class="ruby-identifier">:File</span>
<span class="ruby-identifier">options</span>.<span class="ruby-identifier">delete</span> <span class="ruby-identifier">:Port</span>
<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Handler</span><span class="ruby-operator">::</span><span class="ruby-constant">FastCGI</span>
<span class="ruby-keyword kw">elsif</span> <span class="ruby-constant">ENV</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-constant">REQUEST_METHOD</span>)
<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Handler</span><span class="ruby-operator">::</span><span class="ruby-constant">CGI</span>
<span class="ruby-keyword kw">elsif</span> <span class="ruby-constant">ENV</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-value str">"RACK_HANDLER"</span>)
<span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">get</span>(<span class="ruby-constant">ENV</span>[<span class="ruby-value str">"RACK_HANDLER"</span>])
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">pick</span> [<span class="ruby-value str">'thin'</span>, <span class="ruby-value str">'puma'</span>, <span class="ruby-value str">'webrick'</span>]
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span></pre>
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