title: echo and add array keys
body: <p>My Array:</p>
  
  <pre><code>&lt;?php
      $fruitcolors = array('apple'=&gt;'red', 'lemon'=&gt;'yellow');
  ?&gt;
  </code></pre>
  
  <p>I need to know how to echo the value of apple, so it echos "red".</p>
  
  <p>Also I need to know how to add a new value with php code:</p>
  
  <p><code>$fruitcolors[] = "Pear" =&gt; "Green";</code> etc.</p>