Title: WP_Font_Collection::load_from_url
Published: April 3, 2024
Last modified: August 20, 2026

---

# WP_Font_Collection::load_from_url( string $url ): array|󠀁[WP_Error](https://developer.wordpress.org/reference/classes/wp_error/)󠁿

## In this article

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

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

This function’s access is marked private. This means it is not intended for use 
by plugin or theme developers, only by core. It is listed here for completeness.

Loads the font collection data from a JSON file URL.

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

 `$url`stringrequired

URL to a JSON file containing the font collection data.

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

 array|[WP_Error](https://developer.wordpress.org/reference/classes/wp_error/) An
array containing the font collection data on success, else an instance of [WP_Error](https://developer.wordpress.org/reference/classes/wp_error/)
on failure.

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

    ```php
    private function load_from_url( $url ) {
    	// Limit key to 167 characters to avoid failure in the case of a long URL.
    	$transient_key = substr( 'wp_font_collection_url_' . $url, 0, 167 );
    	$data          = get_site_transient( $transient_key );

    	if ( false === $data ) {
    		$response = wp_safe_remote_get( $url );
    		if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
    			return new WP_Error(
    				'font_collection_request_error',
    				sprintf(
    					// translators: %s: Font collection URL.
    					__( 'Error fetching the font collection data from "%s".' ),
    					$url
    				)
    			);
    		}

    		$data = json_decode( wp_remote_retrieve_body( $response ), true );
    		if ( empty( $data ) ) {
    			return new WP_Error( 'font_collection_decode_error', __( 'Error decoding the font collection data from the HTTP response JSON.' ) );
    		}

    		// Make sure the data is valid before storing it in a transient.
    		$data = $this->sanitize_and_validate_data( $data, array( 'font_families' ) );
    		if ( is_wp_error( $data ) ) {
    			return $data;
    		}

    		set_site_transient( $transient_key, $data, DAY_IN_SECONDS );
    	}

    	return $data;
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/fonts/class-wp-font-collection.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.1/src/wp-includes/fonts/class-wp-font-collection.php#L176)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-collection.php#L176-L209)

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

| Uses | Description | 
| [WP_Font_Collection::sanitize_and_validate_data()](https://developer.wordpress.org/reference/classes/wp_font_collection/sanitize_and_validate_data/)`wp-includes/fonts/class-wp-font-collection.php` |

Sanitizes and validates the font collection data.

  | 
| [wp_safe_remote_get()](https://developer.wordpress.org/reference/functions/wp_safe_remote_get/)`wp-includes/http.php` |

Retrieves the raw response from a safe HTTP request using the GET method.

  | 
| [wp_remote_retrieve_response_code()](https://developer.wordpress.org/reference/functions/wp_remote_retrieve_response_code/)`wp-includes/http.php` |

Retrieves only the response code from the raw response.

  | 
| [wp_remote_retrieve_body()](https://developer.wordpress.org/reference/functions/wp_remote_retrieve_body/)`wp-includes/http.php` |

Retrieves only the body from the raw response.

  | 
| [set_site_transient()](https://developer.wordpress.org/reference/functions/set_site_transient/)`wp-includes/option.php` |

Sets/updates the value of a site transient.

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

Retrieves the translation of $text.

  | 
| [get_site_transient()](https://developer.wordpress.org/reference/functions/get_site_transient/)`wp-includes/option.php` |

Retrieves the value of a site transient.

  | 
| [is_wp_error()](https://developer.wordpress.org/reference/functions/is_wp_error/)`wp-includes/load.php` |

Checks whether the given variable is a WordPress Error.

  | 
| [WP_Error::__construct()](https://developer.wordpress.org/reference/classes/wp_error/__construct/)`wp-includes/class-wp-error.php` |

Initializes the error.

  |

[Show 4 more](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_url/?output_format=md#)
[Show less](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_url/?output_format=md#)

| Used by | Description | 
| [WP_Font_Collection::load_from_json()](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_json/)`wp-includes/fonts/class-wp-font-collection.php` |

Loads font collection data from a JSON file or URL.

  |

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

| Version | Description | 
| [6.5.0](https://developer.wordpress.org/reference/since/6.5.0/) | Introduced. |

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