Magic Methods in PHP ( __isset() ) OOP Concept in PHP in Hindi/Urdu.
__isset() Magic Method.
__isset() : __isset methods trigger when isset() function is applied on any property of the class which is inaccessible or unavailable.
The isset () method is mainly used to determine whether the variable is set. If you use the isset() method outside the object, there are two cases: If the parameter is a public property, you can use the isset() method to determine whether the property is set or not.
The magic method __isset() method receives an argument – the value of which is the name of the variable that the program wants to test if the variable is set or not.
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