Mastering PHP 7

Object comparison

The PHP language provides several comparison operators that allow us to compare two different values, resulting in either true or false:

• ==: equal
• ===: identical
• !=: not equal
• <>: not equal
• !==: not identical
• <: less than
• >: greater than
• <=: less than or equal to
• >=: greater than or equal to

While all of these operators are equally important, let's take a closer look at the behavior of the equal (==) and identical (===) operators in the context of objects.

Let's take a look at the following example:

<?phpclass User {  public $name = 'N/A';  public $age = 0;}$user = new User();$employee = new User();var_dump($user == $employee); // truevar_dump($user === $employee); // false

Here, we have a simple User class with two properties ...