Title: WP_Site_Health::get_test_php_default_timezone
Published: April 1, 2020
Last modified: May 20, 2026

---

# WP_Site_Health::get_test_php_default_timezone(): array

## In this article

 * [Return](https://developer.wordpress.org/reference/classes/wp_site_health/get_test_php_default_timezone/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_site_health/get_test_php_default_timezone/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wp_site_health/get_test_php_default_timezone/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_site_health/get_test_php_default_timezone/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wp_site_health/get_test_php_default_timezone/?output_format=md#wp--skip-link--target)

Tests if the PHP default timezone is set to UTC.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_site_health/get_test_php_default_timezone/?output_format=md#return)󠁿

 array The test results.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wp_site_health/get_test_php_default_timezone/?output_format=md#source)󠁿

    ```php
    public function get_test_php_default_timezone() {
    	$result = array(
    		'label'       => __( 'PHP default timezone is valid' ),
    		'status'      => 'good',
    		'badge'       => array(
    			'label' => __( 'Performance' ),
    			'color' => 'blue',
    		),
    		'description' => sprintf(
    			'<p>%s</p>',
    			__( 'PHP default timezone was configured by WordPress on loading. This is necessary for correct calculations of dates and times.' )
    		),
    		'actions'     => '',
    		'test'        => 'php_default_timezone',
    	);

    	if ( 'UTC' !== date_default_timezone_get() ) {
    		$result['status'] = 'critical';

    		$result['label'] = __( 'PHP default timezone is invalid' );

    		$result['description'] = sprintf(
    			'<p>%s</p>',
    			sprintf(
    				/* translators: %s: date_default_timezone_set() */
    				__( 'PHP default timezone was changed after WordPress loading by a %s function call. This interferes with correct calculations of dates and times.' ),
    				'<code>date_default_timezone_set()</code>'
    			)
    		);
    	}

    	return $result;
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-admin/includes/class-wp-site-health.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-admin/includes/class-wp-site-health.php#L1142)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/class-wp-site-health.php#L1142-L1174)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wp_site_health/get_test_php_default_timezone/?output_format=md#related)󠁿

| Uses | Description | 
| [__()](https://developer.wordpress.org/reference/functions/__/)`wp-includes/l10n.php` |

Retrieves the translation of $text.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wp_site_health/get_test_php_default_timezone/?output_format=md#changelog)󠁿

| Version | Description | 
| [5.3.1](https://developer.wordpress.org/reference/since/5.3.1/) | Introduced. |

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