в 10:37, 26 мая 2010

2010-05-26T10:37:32Z

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2010-05-26T07:03:50Z

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==Singleton Pattern Demo==



<source lang="html4strict">

<?php
class Configuration {
static private $instance = NULL;
private $settingsArray;

private function __construct(){
}

public function __destruct() {
if(!$this->updated) {
return;
}
foreach ($this->settingsArray as $key => $value) {
echo("$key = \"$value\"\n");
}
}

public function getInstance() {
if(self::$instance == NULL) {
self::$instance = new Configuration();
}
return self::$instance;
}

public function get($name) {
if(isset($this->settingsArray[$name])) {
return $this->settingsArray[$name];
} else {
return(NULL);
}
}

public function set($name, $value) {
if(!isset($this->settingsArray[$name]) OR ($this->settingsArray[$name] != $value)) {
$this->settingsArray[$name] = $value;
$this->updated = TRUE;
}
}
}
$config = Configuration::getInstance();
$config->set("username", "A");
$config->set("password", "B");
print($config->get("username"));
?>

</source>

==The Singleton Pattern==



<source lang="html4strict">

<?php
class Preferences {
private $props = array();
private function __construct() { }
public function setProperty( $key, $val ) {
$this->props[$key] = $val;
}
public function getProperty( $key ) {
return $this->props[$key];
}
}
?>

</source>

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в 10:37, 26 мая 2010

Admin: 1 версия