php singleton()

common.php  PHP
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common.php 

 

<?php

class CC
{

private static $ins;
public static function singleton()
 {
         if (!isset(self::$ins)){
            $c = __CLASS__;
            self::$ins = new $c;
         }
         return self::$ins;
    }

public function EventResult($Id)
{
return $Id;
}
}
?>

 

 

index.php

<html>
    <head>
        <title>测试</title>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    </head>
    <body>
<?php
require 'common.php';
$objCC=CC::singleton();
$r=$objCC->EventResult(7);
print_r($objCC);
echo $r."</br>";
?>
</body></html>

 

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