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PHP get_class_vars

PHP original manual for get_class_vars [ show | php.net ]

get_class_vars

(PHP 4, PHP 5, PHP 7)

get_class_vars — Get the default properties of the class

Description

array get_class_vars ( string $class_name )

Get the default properties of the given class.

Parameters

class_name

The class name

Return Values

Returns an associative array of declared properties visible from the current scope, with their default value. The resulting array elements are in the form of varname => value. In case of an error, it returns FALSE.

Changelog

Version Description
5.0.3 get_class_vars() will only return the properties that can be accessed from the current scope.
5.0.2 Calling get_class_vars() will now expose all the properties as an array, unlike previous behaviour where protected and private properties were prefixed with nul bytes.
5.0.1 Calling get_class_vars() will expose all properties, as when converting an object to a class.

Examples

Example #1 get_class_vars() example

<?php

class myclass {

    var $var1; // this has no default value...
    var $var2 = "xyz";
    var $var3 = 100;
    private $var4;

    // constructor
    function __construct() {
        // change some properties
        $this->var1 = "foo";
        $this->var2 = "bar";
        return true;
    }

}

$my_class = new myclass();

$class_vars = get_class_vars(get_class($my_class));

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

?>

The above example will output:

var1 :
var2 : xyz
var3 : 100

Example #2 get_class_vars() and scoping behaviour

<?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'));
?>

The above example will output:

// 5.0.0
a| * b| TestCase c
a| * b| TestCase c

// 5.0.1 - 5.0.2
a|b|c
a|b|c

// 5.0.3 +
a|b|c
a

See Also