How does a PHP function return class attribute name?

Use PHP's get_class_vars() function to get the attribute names in the class and return a comparison array containing the attribute names and values: pass in the object to be checked as a parameter. This function returns an associative array where the keys are property names and the values ​​are property values.

How to use PHP function to return class attribute name

Introduction

In PHP The get_class_vars() function can be used to get the attribute names in a class. This function returns an associative array where the keys are property names and the values ​​are property values.

Syntax

get_class_vars(object $object)

Parameters

• $object: To get its attribute name Object.

Return value

An associative array containing class attribute names and values.

Practical case

The following example shows how to use get_class_vars() Function:

class Person {
  public $name;
  public $age;
}

$person = new Person();
$person->name = "John Doe";
$person->age = 30;

$properties = get_class_vars($person);

foreach ($properties as $property => $value) {
  echo "$property: $value\n";
}

Output:

name: John Doe
age: 30

In the above example, the get_class_vars() function returns a file containing two attribute names (name and age) and two attribute values ​​(# Associative array of ##John Doe and 30).

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