title: know if a specific word exist in Array?
body: <p>i have an array and i want to know if it countains a specific word or not for exemple microsoft-iis 7.5 ?</p>
  
  <pre><code>Array
  (
  [0] =&gt; HTTP/1.1 302 Found
  [1] =&gt; Cache-Control: no-cache, no-store, must-revalidate, no-transform
  [2] =&gt; Pragma: no-cache
  [3] =&gt; Content-Length: 340
  [4] =&gt; Content-Type: text/html; charset=utf-8
  [5] =&gt; Expires: -1
  [6] =&gt; Server:microsoft-iis 7.5
  )
  </code></pre>
  
  <p>thanks </p>