is string function in php example

php example code : is_string function in php

is-string-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_string function in php</title>
 </head>
 <body>
  <h3>php example code : is_string function in php</h3>
  <?php
   /*
    ----------------------------------------------------------------------------
    let us make an string and test it wheather it is string or not
    by using php is_string function
    ----------------------------------------------------------------------------
   */
   $myString = 'i love Bangladesh.';
   
   $stringFlag = is_string($myString);
   
   if($stringFlag == true)
   {
    echo 'it is an string';
   }
   else
   {
    echo 'it is not an string';
   }
   
   echo "<br><br>";
   /*
    ----------------------------------------------------------------------------
    let us make a non string character and test it wheather it is string or not
    by using php is_string function
    ----------------------------------------------------------------------------
   */
   $myString = NULL;
   
   $stringFlag = is_string($myString);
   
   if($stringFlag == true)
   {
    echo 'it is an string';
   }
   else
   {
    echo 'it is not an string';
   }
  ?>
 </body>
</html>

php example code : is_string function in php - output in the browser

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