PHP get_class_vars() Function

The get_class_vars() function is an inbuilt function in PHP which is used to get the default properties of a class.

Syntax:

array get_class_vars(string $class)

Parameters: This function accepts one parameter that is described below:

$class: This parameter specifies the name of the class.

Return Value: This function returns an associative array like “var name => value” if the get_class_vars() function is successful otherwise it will return “false”.

Example 1: This example demonstrates the basic use of the get_class_vars() function.

PHP

<?php 
    class w3wiki{ 
          var $var1 = "" ;  
          var $var2 = "Beginner" ; 
          
          function __construct(){ 
               $this->var1 ="Articles" ; 
               $this->var2 = "w3wiki" ; 
               return true ; 
          } 
    } 
      
    $ob = new w3wiki() ; 
    $array = get_class_vars(get_class($ob)); 
  
    foreach($array as $name => $value){ 
          echo "$name : $value\n"; 
    } 
?>

Output:

var1 : 
var2 : Beginner

Example 2: This is another example that demonstrates the use of the get_class_vars() function.

PHP

<?php 
    function format($array) { 
        return implode('|', array_keys($array)) . "\r\n"; 
    } 
  
    class TestCase { 
        public $a    = 1; 
        protected $b = 2; 
        private $c   = 3; 
  
        public static function expose() { 
            echo format(get_class_vars(__CLASS__)); 
        } 
    } 
  
    TestCase::expose(); 
    echo format(get_class_vars('TestCase')); 
?>

Output:

a|b|c
a

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

PHP

PHP

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