本文整理匯總了PHP中MyClass::getInstance方法的典型用法代碼示例。如果您正苦於以下問題：PHP MyClass::getInstance方法的具體用法？PHP MyClass::getInstance怎麽用？PHP MyClass::getInstance使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類MyClass的用法示例。
在下文中一共展示了MyClass::getInstance方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: MyClass
<?php
// Assuming every method call below returns an instance of an object, how can the following be re-written in PHP 5?
$a = new MyClass();
$b = $a->getInstance();
$c = $b->doSomething();
/*
1) $c = ((MyClass)$a->getInstance())->doSomething();
2) This cannot be re-written in PHP 5
3) $c = $a->getInstance()->doSomething(); // PHP 5+
4) $c = (MyClass)$a->getInstance();
5) $c = (new MyClass())->getInstance()->doSomething(); // PHP 5.4+ http://php.net/manual/en/migration54.new-features.php
*/示例2: __construct
<?php
include_once __DIR__ . "/../vendor/autoload.php";
use useful\traits\Singleton;
class MyClass
{
use Singleton;
public $hash;
function __construct()
{
$this->hash = md5(rand());
}
}
class MyClass2 extends MyClass
{
use Singleton;
// note: without defining, it will use existent instance of class MyClass
public function getById()
{
}
}
echo MyClass::getInstance()->hash . PHP_EOL;
echo MyClass2::getInstance()->hash . PHP_EOL;