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<?php class A { private $_b; private static $_instance; public function __construct($b) { $this->_b = $b; } public function __toString() { return $this->_b . PHP_EOL; } public static function getInstance($b = NULL) { if( ! isset(self::$_instance)){ self::$_instance = new self($b); } return self::$_instance; } } $a = A::getInstance("Test 1"); $b = A::getInstance("Test 2"); echo $a; echo $b;
Output for git.master, git.master_jit, rfc.property-hooks
Test 1 Test 1

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