Learn PHP Tutorial 24 Constructor and Destructor
This video is made for learning about Constructor and Destructor in PHP.
Constructors and Destructors ¶
Constructor ¶
void __construct ([ mixed $args = "" [, $... ]] )
PHP 5 allows developers to declare constructor methods for classes. Classes which have a constructor method call this method on each newly-created object, so it is suitable for any initialization that the object may need before it is used.
Destructor ¶
void __destruct ( void )
PHP 5 introduces a destructor concept similar to that of other object-oriented languages, such as C++. The destructor method will be called as soon as there are no other references to a particular object, or in any order during the shutdown sequence.
Destructor
• These are special member functions.
• These are used to release the memory.
• These are invoked automatically when object of that class is destructed.
• It has no return type.
• No parameters can be passed.
• These are always public.
Constructor
• Constructors are used to initialize the value of object.
• These are special member functions.
• These are invoked automatically when object of that class is created.
• Its name is same as name of class.
• It has no return type.
• These are always public.
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