title: Maximum float value in php
body: <p>Is there a way to programmatically retrieve the maximum float value for php.  Akin to <code>FLT_MAX</code> or <code>std::numeric_limits&lt; float &gt;::max()</code> in C / C++?</p>
  
  <p>I am using something like the following:</p>
  
  <pre><code>$minimumCost = MAXIMUM_FLOAT_VALUE??;
  
  foreach ( $objects as $object )
  {
      $cost = $object-&gt;CalculateCost();
      if ( $cost &lt; $minimumCost )
      {
          $minimumCost = $cost;
      }
  }
  </code></pre>
  
  <p>(using php 5.2)</p>