title: Delete digits after two decimal points, without rounding the value
body: <p>i have value in php variable like that</p>
  
  <pre><code>$var='2.500000550';
  echo $var
  </code></pre>
  
  <p>what i want is to delete all decimal points after 2 digits.</p>
  
  <p>like now value of variable will be</p>
  
  <pre><code>$var='2.50';
  echo $var
  </code></pre>
  
  <blockquote>
    <p>keep in mind this value is coming from mysql databse</p>
  </blockquote>
  
  <p>but when i use <code>round php function</code> i got round but i dont need round, i just need to delete all digits after 2 decimal simple.</p>
  
  <p>i have tired, <code>flot()</code> and lot of other option no success.</p>
  
  <p>Thanks</p>