title: Compare 2 arrays
body: <p>is there a function to compare 2 different associative arrays, and return changes?</p>
  
  <p>For example</p>
  
  <pre><code>$age = array("Peter"=&gt;"35","Ben"=&gt;"37","Joe"=&gt;"");
  $age2 = array("Peter"=&gt;"38","Ben"=&gt;"37","Joe"=&gt;"43");
  </code></pre>
  
  <p>return </p>
  
  <pre><code>$return = array(
      "Peter"=&gt;"Changed from 35 to 38",
      "Joe"=&gt;"Changed from blank to 43"
  );
  </code></pre>