is integer function in php example

php example code : is_integer function in php

is-integer-php-example.php


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
  <title>php example code : is_integer function in php</title>
 </head>
 <body>
  <h3>php example code : is_integer function in php</h3>
  <?php
   /*
    ----------------------------------------------------------------------------
    let us make an integer number and test it wheather it is integer or not
    by using php is_integer function
    ----------------------------------------------------------------------------
   */
   $myInteger = 999;
   
   $integerFlag = is_integer($myInteger);
   
   if($integerFlag == true)
   {
    echo 'it is an integer number';
   }
   else
   {
    echo 'it is not an integer number';
   }
   
   echo "<br><br>";
   /*
    ----------------------------------------------------------------------------
    let us make an non integer number and test it wheather it is integer or not
    by using php is_integer function
    ----------------------------------------------------------------------------
   */
   $myInteger = -999.99;
   
   $integerFlag = is_integer($myInteger);
   
   if($integerFlag == true)
   {
    echo 'it is an integer number';
   }
   else
   {
    echo "<h4 style='background:#cccccc; color:red;'>it is not an integer number</h4>";
   }
  ?>
 </body>
</html>



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