%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Build the URL to load the chosen Google Fonts.
*
* @package olympus-google-fonts
* @copyright Copyright (c) 2020, Fonts Plugin
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
*/
/**
* This class builds the Google Fonts URL.
*/
class OGF_Fonts {
/**
* All Google Fonts.
*
* @var array
*/
public static $google_fonts = array();
/**
* The users font choices.
*
* @var array
*/
public $choices = array();
/**
* Let's get started.
*/
public function __construct() {
self::$google_fonts = ogf_fonts_array();
$this->get_choices();
}
/**
* Get the users font choices.
*/
public function get_choices() {
$elements = array_keys( ogf_get_elements() );
foreach ( $elements as $element ) {
if ( get_theme_mod( $element . '_font' ) && get_theme_mod( $element . '_font' ) !== 'default' ) {
$this->choices[] = get_theme_mod( $element . '_font' );
}
}
$elements = array_keys( ogf_get_custom_elements() );
foreach ( $elements as $element ) {
if ( get_theme_mod( $element . '_font' ) && get_theme_mod( $element . '_font' ) !== 'default' ) {
$this->choices[] = get_theme_mod( $element . '_font' );
}
}
$load_fonts_css = get_theme_mod( 'ogf_load_fonts', array() );
if ( is_array( $load_fonts_css ) ) {
foreach ( $load_fonts_css as $key => $value ) {
$this->choices[] = $value;
}
}
}
/**
* Make the font name safe for use in URLs
*
* @param string $font The font we are getting the id of.
*/
public function get_font_id( $font ) {
return str_replace( ' ', '+', $font );
}
/**
* Get the font weights from ID.
*
* @param string $font_id The font ID.
*/
public function get_font_weights( $font_id ) {
$weights = self::$google_fonts[ $font_id ]['v'];
if ( ! is_array( $weights ) ) {
return array();
}
unset( $weights['0'] );
return $weights;
}
/**
* Get the font subsets from ID.
*
* @param string $font_id The font ID.
*/
public function get_font_subsets( $font_id ) {
$subsets = self::$google_fonts[ $font_id ]['s'];
if ( ! is_array( $subsets ) ) {
return array();
}
// We need both the key and value to be the subset name.
$combined = array_combine( $subsets, $subsets );
unset( $combined['latin'] );
return $combined;
}
/**
* Get the font name from ID.
*
* @param string $font_id The font ID.
*/
public function get_font_name( $font_id ) {
if ( array_key_exists( $font_id, self::$google_fonts ) ) {
return self::$google_fonts[ $font_id ]['f'];
} else {
return __( 'Font Missing', 'olympus-google-fonts' );
}
}
/**
* DEPRECATED use has_google_fonts() instead.
*/
public function has_custom_fonts() {
return $this->has_google_fonts();
}
/**
* Helper to check if the user is using any Google fonts.
*/
public function has_google_fonts() {
if ( empty( $this->choices ) ) {
return false;
}
foreach ( $this->choices as $choice ) {
if ( ogf_is_google_font( $choice ) ) {
return true;
}
}
return false;
}
/**
* Remove the font variants the user has chosen not to load.
*
* @param string $font_id The font ID.
* @param array $weights The font weights.
* @return array
*/
public function filter_selected_weights( $font_id, $weights ) {
unset( $weights['0'] );
$selected_weights = get_theme_mod( $font_id . '_weights', false );
if ( ! $selected_weights ) {
return $weights;
}
return array_intersect_key( $weights, array_flip( $selected_weights ) );
}
/**
* Get contents from remote URL.
*
* @param string $url The Google Fonts URL.
*
* @return string
*/
public function get_remote_url_contents( $url ) {
$user_agent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:108.0) Gecko/20100101 Firefox/108.0';
// Get the response.
$response = wp_remote_get( $url, array( 'user-agent' => $user_agent ) );
// Early exit if there was an error.
if ( is_wp_error( $response ) ) {
return '';
}
if ( wp_remote_retrieve_response_code( $response ) !== 200 ) {
return '';
}
// Get the CSS from our response.
$contents = wp_remote_retrieve_body( $response );
return $contents;
}
/**
* Store CSS from URL provided.
*
* @param string $url The Google Fonts URL.
*
* @return string
*/
public function stored_css( $url ) {
$url_to_id = md5( $url );
$external_font_css = get_transient( 'ogf_external_font_css_' . $url_to_id );
if ( false === ( $external_font_css ) ) {
// It wasn't there, so regenerate the data and save the transient.
$external_font_css = '/* Cached: ' . date( 'F j, Y \a\t g:ia' ) . ' */' . PHP_EOL;
$external_font_css .= $this->get_remote_url_contents( $url ) . PHP_EOL;
set_transient( 'ogf_external_font_css_' . $url_to_id, $external_font_css, DAY_IN_SECONDS );
}
return $external_font_css;
}
/**
* Return the Google Fonts URL.
*
* @return false|string
*/
public function build_url() {
$families = array();
if ( empty( $this->choices ) ) {
return false;
}
$fonts = array_unique( $this->choices );
foreach ( $fonts as $font_id ) {
// Check the users choice is a real font.
if ( array_key_exists( $font_id, self::$google_fonts ) ) {
$font_id_for_url = $this->get_font_id( self::$google_fonts[ $font_id ]['f'] );
$weights = $this->filter_selected_weights( $font_id, self::$google_fonts[ $font_id ]['v'] );
$families[] = $font_id_for_url . ':' . implode( ',', array_keys( $weights ) );
}
}
$query_args = array(
'family' => implode( '|', $families ),
'display' => get_theme_mod( 'ogf_font_display', 'swap' ),
);
return add_query_arg( $query_args, 'https://fonts.googleapis.com/css' );
}
}
Zerion Mini Shell 1.0