Current File : //opt/alt/php53/usr/share/doc/pear/Base/docs/tutorial_lazy_initialization.php |
<?php
require_once 'tutorial_autoload.php';
// Create a custom class implementing the singleton pattern
class customSingleton
{
protected static $instance;
public static function getInstance()
{
if ( self::$instance === null )
{
self::$instance = new customSingleton();
ezcBaseInit::fetchConfig( 'customKey', self::$instance );
}
return self::$instance;
}
}
// Implement your configuration class
class customSingletonConfiguration implements ezcBaseConfigurationInitializer
{
public static function configureObject( $object )
{
echo "Configure customSingleton.\n";
$object->value = 42;
}
}
// Register for lazy initilization
ezcBaseInit::setCallback( 'customKey', 'customSingletonConfiguration' );
// Configure on first initilization
$object = customSingleton::getInstance();
var_dump( $object->value );
?>