title: How to search through subarrays efficiently in PHP?
body: <pre><code>$arr = array($arr1,$arr2,..);
  </code></pre>
  
  <p>How to search through <code>$arr</code> to find the one with <code>key1 =&gt; 'something'</code>,<code>key2 =&gt; 'something else'</code></p>