How does the use of echo differ when outputting objects in PHP compared to other data types?

When outputting objects in PHP using the `echo` function, it will only display the class name and object type, not the actual properties or values within the object. To display the properties of an object, you can use `var_dump()` or `print_r()` functions instead of `echo`. 

class Person {
    public $name = "John";
    public $age = 30;
}

$person = new Person();

// Using var_dump() to display object properties
var_dump($person);

Keywords

echo objects data types PHP outputting

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