php - Pass methods to the class from other class -

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मान लें कि हमारे पास index.php है 

  वर्ग Foo_class FOOBAR का विस्तार करता है {function __construct () {'Some_other_class.php' की आवश्यकता होती है; नया Some_other_class; $ इस- & gt; say_hello (); }}   
 और some_other_class.php  
  वर्ग some_other_class {function say_hello () {गूंज "वाह, यह काम करता है!"; }}   
 मुझे यह चाहिए कि  Foo_class  वर्ग में  some_other_class  वर्ग को शामिल करके और कॉल करके,  some_other_class  वर्ग  Foo_class  इसके सभी तरीकों को दे देंगे क्या ऐसा करना और विस्तार नहीं करना संभव है? बेशक, मेरा कोड काम नहीं करेगा।   
 
 
 PHP 5.4 की एक अवधारणा के साथ आता है, फिर से पूछ रहा है।

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