What does "->" signify in PHP code?

In PHP, the "->" symbol is used to access methods and properties of an object. It is called the object operator and is used to reference a specific instance of a class. When using "->", you are essentially telling PHP to look inside the object for the specified method or property. Example: 

class Person {
    public $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function greet() {
        echo "Hello, my name is " . $this->name;
    }
}

$person = new Person("John");
$person->greet();

Keywords

arrow operator object-oriented programming PHP syntax method chaining accessing properties

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