examples: php example code : is double function in php

php example code : is_double function in php

is-double-php-example.php

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"gt;
<html xmlns="http://www.w3.org/1999/xhtml"gt;
 <headgt;
  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /gt;
  <titlegt;php example code : is_double function in php</titlegt;
 </headgt;
 <bodygt;
  <h3gt;php example code : is_double function in php</h3gt;
  <?php
   /*
    -------------------------------------------------
    let us make a double number and test it wheather it is double or not
    by using php is_double function
    -------------------------------------------------
   */
   $myNumber = 99999999999999999999999999999999999999.99;
   
   $doubleFlag = is_double($myNumber);
   
   if($doubleFlag == true)
   {
    echo 'it is a double number';
   }
   else
   {
    echo 'it is not a double number';
   }
   
   echo "<brgt;<brgt;";  
   /*
    -------------------------------------------------
    let us make a non double number and test it wheather it is double or not
    by using php is_double function
    -------------------------------------------------
   */
   $myNumber = -1;
   
   $doubleFlag = is_double($myNumber);
   
   if($doubleFlag == true)
   {
    echo 'it is a double number';
   }
   else
   {
    echo "<h4 style='background:#888888; color:yellow;'gt;it is not a double number</h4gt;";
   }
   
  ?gt;
 </bodygt;
</htmlgt;

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php example code : is double function in php

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