topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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basic-php-appendix-ch08ex01.php / php



  <html>
  <head>
  <title>Untitled Document</title>
  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
  </head>
  
  <body bgcolor="#FFFFFF">
  
  <?php
  xmlstr = <<<XML
  <php_programs>
     <program name="cart">
        <price>100</price>
     </program>
     <program name="survey">
        <price>500</price>
     </program>
  </php_programs>
  XML;
  
  first_xml_string = simplexml_load_string(xmlstr);
  
  if (isset(_POST[posted])) {
  
     //capture which element to change, set to integer
     element_to_change = (integer)_POST[element_to_change];
     change_value = _POST[change_value];
  
     first_xml_string->program[element_to_change]->price = change_value;
  ?>
  <table width="100%" border="0" cellpadding="6">
      <tr> 
        <td><b><font face="Arial, Helvetica, sans-serif">Welcome to Beginning PHP5</font></b></td>
        <td><b><font face="Arial, Helvetica, sans-serif">Chapter 08</font></b></td>
        <td><b><font face="Arial, Helvetica, sans-serif">Exercise 01</font></b></td>
      </tr>
      <tr>
        <td colspan="3" bgcolor="#EEEEEE"><font face="Arial, Helvetica, sans-serif" size="-1">XML File is:</font><br>
  <?php
     echo "<pre>";
     var_dump(first_xml_string);
     echo "</pre>";
  ?>
  </td></tr></table>
  <?php
  } else {
  
  ?>
  
  <form method="POST" action=<ch08ex01.php>>
  <input type="hidden" name="posted" value="true">
    <table width="100%" border="0" cellpadding="6">
      <tr> 
        <td><b><font face="Arial, Helvetica, sans-serif">Welcome to Beginning PHP5</font></b></td>
        <td><b><font face="Arial, Helvetica, sans-serif">Chapter 08</font></b></td>
        <td><b><font face="Arial, Helvetica, sans-serif">Exercise 01</font></b></td>
      </tr>
      <tr>
        <td colspan="3" bgcolor="#EEEEEE"><font face="Arial, Helvetica, sans-serif" size="-1">XML File is:</font><br>
  <?php
  
  //display the XML file
  echo "<pre>";
  var_dump(first_xml_string);
  echo "</pre>";
  
  ?>
      <tr> 
        <td colspan="3"> 
          
          <p><font face="Arial, Helvetica, sans-serif" size="-1">Please provide 
            the name of the element to change the value:</font></p>
          <table width="70%" border="0" cellpadding="6" align="center">
            <tr> 
              <td width="39%"><font face="Arial, Helvetica, sans-serif" size="-1">Top Level Element #</font></td>
              <td width="61%"><font face="Arial, Helvetica, sans-serif" size="-1">New 
                Value</font></td>
            </tr>
            <tr> 
              <td width="39%"> 
                <input type="text" name="element_to_change">
              </td>
              <td width="61%"> 
                <input type="text" name="change_value">
              </td>
            </tr>
            <tr align="right"> 
              <td colspan="2"> 
                <input type="submit" name="cmd' value="Change Value">
              </td>
            </tr>
          </table>
        </td>
      </tr>
    </table>
  </form>
  <?php
  }
  ?>
  </body>
  </html>
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 20/2/2008

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