Title: wp_get_pomo_file_data
Published: April 25, 2014
Last modified: May 20, 2026

---

# wp_get_pomo_file_data( string $po_file ): string[]

## In this article

 * [Parameters](https://developer.wordpress.org/reference/functions/wp_get_pomo_file_data/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/functions/wp_get_pomo_file_data/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/functions/wp_get_pomo_file_data/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/functions/wp_get_pomo_file_data/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/functions/wp_get_pomo_file_data/?output_format=md#changelog)

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

Extracts headers from a PO file.

## 󠀁[Parameters](https://developer.wordpress.org/reference/functions/wp_get_pomo_file_data/?output_format=md#parameters)󠁿

 `$po_file`stringrequired

Path to PO file.

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

 string[] Array of PO file header values keyed by header name.

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

    ```php
    function wp_get_pomo_file_data( $po_file ) {
    	$headers = get_file_data(
    		$po_file,
    		array(
    			'POT-Creation-Date'  => '"POT-Creation-Date',
    			'PO-Revision-Date'   => '"PO-Revision-Date',
    			'Project-Id-Version' => '"Project-Id-Version',
    			'X-Generator'        => '"X-Generator',
    		)
    	);
    	foreach ( $headers as $header => $value ) {
    		// Remove possible contextual '\n' and closing double quote.
    		$headers[ $header ] = preg_replace( '~(\\\n)?"$~', '', $value );
    	}
    	return $headers;
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/l10n.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/l10n.php#L1656)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/l10n.php#L1656-L1671)

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

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

Retrieves metadata from a file.

  |

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

Gets installed translations.

  |

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

| Version | Description | 
| [3.7.0](https://developer.wordpress.org/reference/since/3.7.0/) | Introduced. |

## User Contributed Notes

You must [log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Ffunctions%2Fwp_get_pomo_file_data%2F)
before being able to contribute a note or feedback.