What is -> and => in PHP?

-> (Arrow Operator): It's like shaking hands with an object. We use it to access properties and call methods within objects. => (Double Arrow): Think of it as Batman introducing Robin. We use it to pair keys with their corresponding values, especially within arrays.

What is the use of double colon in PHP?

The scope resolution operator also known as Paamayim Nekudotayim or more commonly known as the double colon is a token that allows access to static, constant, and overridden properties or methods of a class. It is used to refer to blocks or codes in context to classes, objects, etc.

What is the negation operator in PHP?

In PHP, the negation operator is represented by the exclamation mark (!) symbol.

What is the boolean of xor in PHP?

In PHP, the logical operator xor stands for exclusive or. It takes two different boolean values or expressions as its operands and returns a single boolean value. xor evaluates to TRUE only if either its left operand or its right operand evaluate to TRUE , but not both.

This is the conditional operator. $x ? $y : $z. means “if $x is true, then use $y ; otherwise use $z “. It also has a short form. $x ?: $z.
An operator is something that takes one or more values (or expressions, in programming jargon) and yields another value (so that the construction itself becomes …
Оператори збільшення та зменшення в PHP використовуються для збільшення або зменшення значення змінної на одиницю.