τελεστες αντικειμενοστρεφης Php

What are the categories of operators?

• Comparative operators

• Assignment operators

• Logical operators

• Increment/Decrement operators

• Arithmetic operators

What operations do arithmetic operators perform?

• Multiplication

• Division

• Subtraction

• Addition

• Modulus

What is the basic assignment operator?

• =

• +

• -

• *

• /

What is the purpose of the assignment operators in PHP?

What does the operator '+=' do in PHP?

• Adds the right operand to the left operand and assigns the result to the left operand.

• Subtracts the right operand from the left operand and assigns the result to the left operand.

• Multiplies the left operand by the right operand and assigns the result to the left operand.

• Divides the left operand by the right operand and assigns the result to the left operand.

What is the result of the operation '$x++'?

• Increments the value of x by 1 and returns the original value.

• Returns the incremented value of x.

• Decrements the value of x by 1.

• Returns the decremented value of x.

What do comparison operators do in PHP?

What is the result of the comparison $x == $y?

• true

• false

What does the comparison $x === $y return?

• true if both quantities are equal

• false if both quantities are not equal

What does the operator $x != $y indicate?

• true if both quantities are not equal

• false if both quantities are equal