Question:
What are class and object?
Class:Classes are intended to represent those real-life items that coder like to manipulate within an application.
object: An instance of class is called object.
Question:What is the meaning of a final class and a final method?
Final keywords indicates that the class or method cannot be extended.
Question:How many ways you can write into a file?
We can write a file using the following method and modes:
Method: fwrite() with fopen() and write mode, file_put_contents(),fputcsv(),fputs(),fputc().
Modes: r+, W, w+,A,a+,X,x+.
Question:What is property overloading?
Property overloading continues to protect properties by forcing access and manipulation through public methods, yet allowing the data to be accessed as if it were a public property.
Question:What is the functionality of the function strstr and stristr?
Strstr(): The strstr() function returns the remainder of a string beginning with the first occurrence of a predefined string.
Stristr():The strstr() function returns the remainder of a string beginning with the first occurrence of a predefined string ignoring case-sensitivity.