What is the OR operator in PHP?
What is the OR operator in PHP?
Introduction to the PHP OR operator The logical OR operator accepts two operands and returns true if either operand is true; otherwise, it returns false . In other words, the logical OR operator returns false if both operands are false .
What is the or symbol in PHP?
PHP Logical Operators
| Operator | Name | Result |
|---|---|---|
| or | Or | True if either $x or $y is true |
| xor | Xor | True if either $x or $y is true, but not both |
| && | And | True if both $x and $y are true |
| || | Or | True if either $x or $y is true |
What does $This refer to in PHP?
$this is a reserved keyword in PHP that refers to the calling object. It is usually the object to which the method belongs, but possibly another object if the method is called statically from the context of a secondary object. This is because in PHP $this is treated as a pseudo-variable.
Does PHP have ++?
PHP follows Perl’s convention when dealing with arithmetic operations on character variables and not C’s. For example, in PHP and Perl $a = ‘Z’; $a++; turns $a into ‘AA’ , while in C a = ‘Z’; a++; turns a into ‘[‘ (ASCII value of ‘Z’ is 90, ASCII value of ‘[‘ is 91).
What is Settype and Gettype in PHP?
In this article I explain the settype() and gettype() functions in PHP. The gettype() function gets the type of variable; gettype() is a function that display a data type. The settype function sets the type of variable; the settype() function changes the data type. Syntax.
How do I use this keyword in oops?
Definition and Usage The this keyword refers to the current object in a method or constructor. The most common use of the this keyword is to eliminate the confusion between class attributes and parameters with the same name (because a class attribute is shadowed by a method or constructor parameter).