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/wp-includes/fonts/ -> class-wp-font-utils.php (summary)

Font Utils class. Provides utility functions for working with font families.

File Size: 259 lines (9 kb)
Included or required:0 times
Referenced: 0 times
Includes or requires: 0 files

Defines 1 class

WP_Font_Utils:: (6 methods):
  maybe_add_quotes()
  sanitize_font_family()
  get_font_face_slug()
  sanitize_from_schema()
  apply_sanitizer()
  get_allowed_font_mime_types()


Class: WP_Font_Utils  - X-Ref

A class of utilities for working with the Font Library.

These utilities may change or be removed in the future and are intended for internal use only.

maybe_add_quotes( $item )   X-Ref
Adds surrounding quotes to font family names that contain special characters.

It follows the recommendations from the CSS Fonts Module Level 4.
return: string The font family name with surrounding quotes, if necessary.
param: string $item A font family name.

sanitize_font_family( $font_family )   X-Ref
Sanitizes and formats font family names.

- Applies `sanitize_text_field`.
- Adds surrounding quotes to names containing any characters that are not alphabetic or dashes.

It follows the recommendations from the CSS Fonts Module Level 4.
return: string Sanitized and formatted font family name(s).
param: string $font_family Font family name(s), comma-separated.

get_font_face_slug( $settings )   X-Ref
Generates a slug from font face properties, e.g. `open sans;normal;400;100%;U+0-10FFFF`

Used for comparison with other font faces in the same family, to prevent duplicates
that would both match according the CSS font matching spec. Uses only simple case-insensitive
matching for fontFamily and unicodeRange, so does not handle overlapping font-family lists or
unicode ranges.

return: string Font face slug.
param: array $settings {

sanitize_from_schema( $tree, $schema )   X-Ref
No description

apply_sanitizer( $value, $sanitizer )   X-Ref
Applies a sanitizer function to a value.

return: mixed The sanitized value.
param: mixed    $value     The value to sanitize.
param: callable $sanitizer The sanitizer function to apply.

get_allowed_font_mime_types()   X-Ref
Returns the expected mime-type values for font files, depending on PHP version.

This is needed because font mime types vary by PHP version, so checking the PHP version
is necessary until a list of valid mime-types for each file extension can be provided to
the 'upload_mimes' filter.

return: string[] A collection of mime types keyed by file extension.



Generated : Thu Dec 26 08:20:01 2024 Cross-referenced by PHPXref