PHP class_uses() Function

The class_uses() function is an inbuilt function in PHP where the traits utilized by the given class, will be returned.

Syntax:

class_uses($object_or_class,$autoload = true): array|false

Parameters: This function accepts the two parameters that are described below

• object_or_class: The name of the class or object passed in this parameter.
• autoload: This is an optional parameter for whether or not to automatically load the class file if it has not been loaded yet. The default is true.

Return value: If the function is successfully executed it will return an array otherwise it will return “false”.

Example 1: The following code demonstrates the class_uses() function.

PHP

<?php

trait MyTrait {
    public function hello() {
        echo "Hello, world!\n";
    }
}

class MyClass {
    use MyTrait;
}

$traits = class_uses("MyClass");

echo "The following traits are used by MyClass:\n";
foreach ($traits as $trait) {
    echo "- $trait\n";
}

?>

Output:

The following traits are used by MyClass:
- MyTrait

Example 2: The following code demonstrates the class_uses() function.

PHP

<?php

trait MyTrait1 {
    public function hello() {
        echo "Hello, world from Trait 1!\n";
    }
}

trait MyTrait2 {
    public function goodbye() {
        echo "Goodbye, world from Trait 2!\n";
    }
}

class MyClass {
    use MyTrait1, MyTrait2;
}

$traits = class_uses("MyClass");

echo "The following traits are used by MyClass:\n";
foreach ($traits as $trait) {
    echo "- $trait\n";
}
?>

Output:

The following traits are used by MyClass:
- MyTrait1
- MyTrait2

Reference: https://www.php.net/manual/en/function.class-uses.php