Abstract Class in PHP - कई बार ऐसी स्थितियां होती हैं, जब हम जो Base Class बनाते हैं, वह केवल एक General Class के रूप में ही Use हो सकती है। ऐसी Class के Direct Object Create नहीं किए जा सकते न ही किए जाने चाहिए। यदि हम ऐसी Class के Direct Object Create भी करते हैं, तो इन Object का कोई मतलब नहीं होता। ऐसी Class एक तरह से अधूरी Class होती है, जिसमें Declare किए गए सभी Methods को Define या Implement नहीं किया गया होता है। उदाहरण के लिए हम एक … [Read more...]
Abstract Class in PHP
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