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Php language.operators.type () function

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Type Operators

PHP has a single type operator: instanceof. instanceof is used to determine whether a given object is of a specified object class.

The instanceof operator was introduced in PHP 5. Before this time is_a() was used but is_a() has since been deprecated in favor of instanceof.

class A { }
class B { }

$thing = new A;

if ($thing instanceof A) {
    echo 'A';
if ($thing instanceof B) {
    echo 'B';

As $thing is an object of type A, but not B, only the block dependent on the A type will be executed:


See also get_class() and is_a().

Php language.operators.type Function syntax tag

language.operators.type php code on this is provided for your study purpose, it will guide you to know how create and design a website using php. use it to practice and train your self online

Php language.operators.type syntax tutorial

php tutorial guide and code design are for easy learning and programming. The code practice section provided at the top is for practising of this syntax. Use the code section up to practice your php programming online. Learning php is very easy, all you need is to use the examples on this site and practice them to perfect your skills.

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