Why we concatenate variables.... without concatenate this can do doifferent variables
<p>i am new in php programing can any one tell me plz what is difference between </p>

<pre><code>$strJobs[$months] .= $jobs.",";
</code></pre>

<p>and</p>

<pre><code>$strJobs[$months]  = $jobs.","; 
</code></pre>

<p>is there any same result without concatenation... plz tell me thanks</p>
