PHP Classes

File: examples/shm.php

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File: examples/shm.php
Role: Example script
Content type: text/plain
Description: Example script
Class: DomCore
Base library for PHP Web applications
Author: By
Last change: Update of examples/shm.php
Date: 2 months ago
Size: 3,533 bytes
 

Contents

Class file image Download
<?php
 
// have to put this into a php block or the <?xml will be put as a PHP syntax error on extended code escape
 
echo '<?xml version="1.0" encoding="UTF-8"?>';
?>
<!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" xml:lang="en" lang="en">
<head>
  <!-- Generic browser family -->
  <title>DomCore Demos, a WebAbility&reg; Network Project</title>
  <meta http-equiv="PRAGMA" content="NO-CACHE" />
  <meta http-equiv="Expires" content="-1" />

  <meta name="Keywords" content="WAJAF, WebAbility" />
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  <meta name="Charset" content="UTF-8" />
  <meta name="Language" content="en" />
  <link rel="stylesheet" href="/skins/css/domcore.css" type="text/css" />

</head>
<body>

<div class="container">

<a href="../index.html" class="back">&#xAB; Back to the index</a><br />
<br />

<h1>\core\WASHM example</h1>

<?php

// We assure any DomCore library we call will be automatically loaded
include_once '../include/__autoload.lib';

define('WADEBUG', false);
setlocale(LC_ALL, 'es_MX.UTF8', 'es_MX', '');
date_default_timezone_set('America/Mexico_City');

echo
"We are testing this on:<br />";
echo
"DomCore version ".\core\WADebug::VERSION."<br />";
echo
"HTML API ? ".(\core\WADebug::getHTMLAPI()?'Yes':'No')."<br />";
echo
"OS Type ? ".(\core\WADebug::getOSType()==\core\WADebug::WINDOWS?'Windows':(\core\WADebug::getOSType()==\core\WADebug::UNIX?'Unix':'Mac'))."<br />";
echo
"<br />";

// Start the SHM with 20Mb default size and default ID
$SHM = new \core\WASHM();

echo <<<EOF
Menu: <br />
<a href="shm.php?option=1">Add or modify a shared memory variable</a><br />
<a href="shm.php?option=4">Empty the shared memory</a><br />
<br />
<hr />
<br />
EOF;

$option = isset($_GET['option'])?$_GET['option']:null;

switch(
$option)
{
  case
1:
   
$name = isset($_GET['name'])?$_GET['name']:null;
   
$value = null;
    if (
$name)
     
$value = htmlentities($SHM->read(rawurldecode($name)), ENT_COMPAT, 'UTF-8');
   
$vname = htmlentities($name, ENT_COMPAT, 'UTF-8');
    echo <<<EOF
<form method="GET" action="shm.php">
  Name: <input type="text" name="name" value="
$vname"/><br />
  Value: <input type="text" name="value" value="
$value" /><br />
  <input type="hidden" name="option" value="2" /><br />
  <input type="submit" value="Add or modify the variable" /><br />
</form>
<br /><hr /><br />
EOF;
    break;
  case
2:
   
$name = isset($_GET['name'])?$_GET['name']:null;
   
$value = isset($_GET['value'])?$_GET['value']:null;
    if (
$name)
    {
     
$SHM->write($name, $value);
    }
    break;
  case
3:
   
$name = isset($_GET['name'])?$_GET['name']:null;
   
$SHM->delete($name);
    break;
  case
4:
   
$SHM->flush();
    break;
}

$m = $SHM->size();
echo
"Used: {$m['used']}, free: {$m['free']}<br />";
$c = $SHM->content();
foreach(
$c as $name => $link)
{
  echo
'Variable: <b>' . htmlentities($name, ENT_COMPAT, 'UTF-8') . "</b>: pointer: {$link['p']}, last read: ". date('Y/m/d H:i:s', $link['r']) . ", last write: " . date('Y/m/d H:i:s', $link['w']) . ' [<a href="?option=1&name='.rawurlencode($name).'">Modify</a>] [<a href="?option=3&name='.rawurlencode($name).'">Delete</a>]<br />' .
      
'Value: ' . htmlentities(print_r($SHM->read($name), true), ENT_COMPAT, 'UTF-8') . '<br /><hr />';

}

?>

<br />
<br />
<br />
<br />

<a href="../index.html" class="back">&#xAB; Back to the index</a><br />

</div>

</body>
</html>