Add values to an associative array in PHP
<p>I want to append an element to to end of an associative array.</p>

<p>For example, my array is </p>

<pre><code>$test=Array ([chemical] =&gt; asdasd [chemical_hazards] =&gt; ggggg ) 
</code></pre>

<p>and my result should be </p>

<pre><code>$test=Array ([chemical] =&gt; asdasd [chemical_hazards] =&gt; ggggg [solution] =&gt; good) 
</code></pre>

<p>Could you tell me how to implement this?</p>
