title: Best way to check 3 variable values equals to zero inside if condition - PHP
body: <p>I am checking 3 variables are equals to zero inside if condition , currently i am doing some thing like this </p>
  
  <pre><code>if($diff_colour_code==0 &amp;&amp; $diff_upholstery_code==0 &amp;&amp; $big_diff==0 )
  </code></pre>
  
  <p>is there any better way to do this </p>
  
  <p>I am thinking a way like </p>
  
  <pre><code>if($diff_colour_code==$diff_upholstery_code==$big_diff==0 )
  </code></pre>
  
  <p>Please help , Thanks in advance .</p>