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Description

Get custom CSS.

Return CSS for non-latin language, if available, or null

Usage

$string = twenty_twenty_one_get_non_latin_css( $type );

Parameters

$type

( string ) optional default: front-end – Whether to return CSS for the "front-end", "block-editor", or "classic-editor".

Returns

string

Source

File name: twentytwentyone/inc/template-functions.php
Lines:

function twenty_twenty_one_get_non_latin_css( $type = 'front-end' ) {

  // Fetch site locale.
  $locale = get_bloginfo( 'language' );

  
/**
 * Filters the fallback fonts for non-latin languages.
 *
 * @since Twenty Twenty-One 1.0
 *
 * @param array $font_family An array of locales and font families.
 */
  $font_family = apply_filters(
    'twenty_twenty_one_get_localized_font_family_types',
    array(

      // Arabic.
      'ar'    => array( 'Tahoma', 'Arial', 'sans-serif' ),
      'ary'   => array( 'Tahoma', 'Arial', 'sans-serif' ),
      'azb'   => array( 'Tahoma', 'Arial', 'sans-serif' ),
      'ckb'   => array( 'Tahoma', 'Arial', 'sans-serif' ),
      'fa-IR' => array( 'Tahoma', 'Arial', 'sans-serif' ),
      'haz'   => array( 'Tahoma', 'Arial', 'sans-serif' ),
      'ps'    => array( 'Tahoma', 'Arial', 'sans-serif' ),

      // Chinese Simplified (China) - Noto Sans SC.
      'zh-CN' => array( '\'PingFang SC\'', '\'Helvetica Neue\'', '\'Microsoft YaHei New\'', '\'STHeiti Light\'', 'sans-serif' ),

      // Chinese Traditional (Taiwan) - Noto Sans TC.
      'zh-TW' => array( '\'PingFang TC\'', '\'Helvetica Neue\'', '\'Microsoft YaHei New\'', '\'STHeiti Light\'', 'sans-serif' ),

      // Chinese (Hong Kong) - Noto Sans HK.
      'zh-HK' => array( '\'PingFang HK\'', '\'Helvetica Neue\'', '\'Microsoft YaHei New\'', '\'STHeiti Light\'', 'sans-serif' ),

      // Cyrillic.
      'bel'   => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ),
      'bg-BG' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ),
      'kk'    => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ),
      'mk-MK' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ),
      'mn'    => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ),
      'ru-RU' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ),
      'sah'   => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ),
      'sr-RS' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ),
      'tt-RU' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ),
      'uk'    => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ),

      // Devanagari.
      'bn-BD' => array( 'Arial', 'sans-serif' ),
      'hi-IN' => array( 'Arial', 'sans-serif' ),
      'mr'    => array( 'Arial', 'sans-serif' ),
      'ne-NP' => array( 'Arial', 'sans-serif' ),

      // Greek.
      'el'    => array( '\'Helvetica Neue\', Helvetica, Arial, sans-serif' ),

      // Gujarati.
      'gu'    => array( 'Arial', 'sans-serif' ),

      // Hebrew.
      'he-IL' => array( '\'Arial Hebrew\'', 'Arial', 'sans-serif' ),

      // Japanese.
      'ja'    => array( 'sans-serif' ),

      // Korean.
      'ko-KR' => array( '\'Apple SD Gothic Neo\'', '\'Malgun Gothic\'', '\'Nanum Gothic\'', 'Dotum', 'sans-serif' ),

      // Thai.
      'th'    => array( '\'Sukhumvit Set\'', '\'Helvetica Neue\'', 'Helvetica', 'Arial', 'sans-serif' ),

      // Vietnamese.
      'vi'    => array( '\'Libre Franklin\'', 'sans-serif' ),

    )
  );

  // Return if the selected language has no fallback fonts.
  if ( empty( $font_family[ $locale ] ) ) {
    return '';
  }

  
/**
 * Filters the elements to apply fallback fonts to.
 *
 * @since Twenty Twenty-One 1.0
 *
 * @param array $elements An array of elements for "front-end", "block-editor", or "classic-editor".
 */
  $elements = apply_filters(
    'twenty_twenty_one_get_localized_font_family_elements',
    array(
      'front-end'      => array( 'body', 'input', 'textarea', 'button', '.button', '.faux-button', '.wp-block-button__link', '.wp-block-file__button', '.has-drop-cap:not(:focus)::first-letter', '.entry-content .wp-block-archives', '.entry-content .wp-block-categories', '.entry-content .wp-block-cover-image', '.entry-content .wp-block-latest-comments', '.entry-content .wp-block-latest-posts', '.entry-content .wp-block-pullquote', '.entry-content .wp-block-quote.is-large', '.entry-content .wp-block-quote.is-style-large', '.entry-content .wp-block-archives *', '.entry-content .wp-block-categories *', '.entry-content .wp-block-latest-posts *', '.entry-content .wp-block-latest-comments *', '.entry-content p', '.entry-content ol', '.entry-content ul', '.entry-content dl', '.entry-content dt', '.entry-content cite', '.entry-content figcaption', '.entry-content .wp-caption-text', '.comment-content p', '.comment-content ol', '.comment-content ul', '.comment-content dl', '.comment-content dt', '.comment-content cite', '.comment-content figcaption', '.comment-content .wp-caption-text', '.widget_text p', '.widget_text ol', '.widget_text ul', '.widget_text dl', '.widget_text dt', '.widget-content .rssSummary', '.widget-content cite', '.widget-content figcaption', '.widget-content .wp-caption-text' ),
      'block-editor'   => array( '.editor-styles-wrapper > *', '.editor-styles-wrapper p', '.editor-styles-wrapper ol', '.editor-styles-wrapper ul', '.editor-styles-wrapper dl', '.editor-styles-wrapper dt', '.editor-post-title__block .editor-post-title__input', '.editor-styles-wrapper .wp-block h1', '.editor-styles-wrapper .wp-block h2', '.editor-styles-wrapper .wp-block h3', '.editor-styles-wrapper .wp-block h4', '.editor-styles-wrapper .wp-block h5', '.editor-styles-wrapper .wp-block h6', '.editor-styles-wrapper .has-drop-cap:not(:focus)::first-letter', '.editor-styles-wrapper cite', '.editor-styles-wrapper figcaption', '.editor-styles-wrapper .wp-caption-text' ),
      'classic-editor' => array( 'body#tinymce.wp-editor', 'body#tinymce.wp-editor p', 'body#tinymce.wp-editor ol', 'body#tinymce.wp-editor ul', 'body#tinymce.wp-editor dl', 'body#tinymce.wp-editor dt', 'body#tinymce.wp-editor figcaption', 'body#tinymce.wp-editor .wp-caption-text', 'body#tinymce.wp-editor .wp-caption-dd', 'body#tinymce.wp-editor cite', 'body#tinymce.wp-editor table' ),
    )
  );

  // Return if the specified type doesn't exist.
  if ( empty( $elements[ $type ] ) ) {
    return '';
 

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