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<?php
/**
* Google font helper functions.
*
* @package Forminator
*/
if ( ! defined( 'ABSPATH' ) ) {
die();
}
/**
* Return all fonts
*
* @since 1.0
* @return mixed
*/
function forminator_get_all_fonts() {
$cached_fonts = forminator_cached_fonts();
$cached_fonts = ! empty( $cached_fonts ) ? json_decode( $cached_fonts, true ) : forminator_load_from_google();
/**
* Retrieve all available fonts.
*
* Example format:
* array(
* 'family' => 'ABeeZee',
* 'category' => 'sans-serif',
* 'variants' => array('regular', 'italic')
* )
*
* @since 1.37
*
* @param array $cached_fonts Array of supported fonts.
*
* @return array Filtered list of fonts.
*/
return apply_filters( 'forminator_on_get_all_fonts', $cached_fonts );
}
/**
* Load & return fonts from Google
*
* @since 1.0
* @return mixed
*/
function forminator_load_from_google() {
return array();
}
/**
* Fetch fonts from Bunny Fonts API and transform to the expected format.
*
* @since 1.54.0
* @return array|false Transformed fonts array or false on failure.
*/
function forminator_fetch_bunny_fonts() {
$response = wp_remote_get( 'https://fonts.bunny.net/list' );
if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
return false;
}
$body = wp_remote_retrieve_body( $response );
$data = json_decode( $body, true );
if ( ! is_array( $data ) ) {
return false;
}
$fonts = array();
foreach ( $data as $font_data ) {
if ( empty( $font_data['familyName'] ) || empty( $font_data['category'] ) ) {
continue;
}
$variants = forminator_build_font_variants(
isset( $font_data['weights'] ) ? $font_data['weights'] : array( 400 ),
isset( $font_data['styles'] ) ? $font_data['styles'] : array( 'normal' )
);
$fonts[] = array(
'family' => $font_data['familyName'],
'category' => $font_data['category'],
'variants' => $variants,
);
}
usort(
$fonts,
function ( $a, $b ) {
return strcasecmp( $a['family'], $b['family'] );
}
);
return $fonts;
}
/**
* Build variant strings from weights and styles arrays.
*
* @since 1.54.0
* @param array $weights Font weights.
* @param array $styles Font styles.
* @return array Variant strings.
*/
function forminator_build_font_variants( $weights, $styles ) {
$variants = array();
foreach ( $weights as $weight ) {
foreach ( $styles as $style ) {
if ( 400 === (int) $weight ) {
$variants[] = 'italic' === $style ? 'italic' : 'regular';
} else {
$variants[] = 'italic' === $style ? $weight . 'italic' : (string) $weight;
}
}
}
return $variants;
}
/**
* Return font families
*
* @param bool $is_object Is object.
*
* @since 1.0
* @return mixed
*/
function forminator_get_font_families( $is_object ) {
$families = forminator_get_all_fonts();
if ( $is_object ) {
return $families;
}
// backwards compatibility.
$families = wp_list_pluck( $families, 'family' );
return $families;
}
/**
* Return cached fonts, fetching from Bunny Fonts API when the refresh flag has expired.
*
* Fonts are persisted in a WordPress option and a transient flag controls when they
* should be refreshed from the Bunny Fonts API (every 30 days by default).
*
* @since 1.0
* @since 1.54.0 Stores fonts in a WP option and uses a transient flag to schedule refreshes.
* @return string JSON-encoded font list.
*/
function forminator_cached_fonts() {
$option_key = 'forminator_bunny_fonts';
$refresh_key = 'forminator_bunny_fonts_refresh';
if ( false !== get_transient( $refresh_key ) ) {
return (string) get_option( $option_key, '' );
}
$fonts = forminator_fetch_bunny_fonts();
if ( ! empty( $fonts ) ) {
$json = wp_json_encode( $fonts );
update_option( $option_key, $json, false );
set_transient( $refresh_key, 1, MONTH_IN_SECONDS );
return $json;
}
return (string) get_option( $option_key, '' );
}