), array( '400', '700' ), $font_weight );
// Convert stretch keywords to numeric strings.
$font_stretch_map = array(
'ultra-condensed' => '50%',
'extra-condensed' => '62.5%',
'condensed' => '75%',
'semi-condensed' => '87.5%',
'normal' => '100%',
'semi-expanded' => '112.5%',
'expanded' => '125%',
'extra-expanded' => '150%',
'ultra-expanded' => '200%',
);
$font_stretch = str_replace( array_keys( $font_stretch_map ), array_values( $font_stretch_map ), $font_stretch );
$slug_elements = array( $font_family, $font_style, $font_weight, $font_stretch, $unicode_range );
$slug_elements = array_map(
function ( $elem ) {
// Remove quotes to normalize font-family names, and ';' to use as a separator.
$elem = trim( str_replace( array( '"', "'", ';' ), '', $elem ) );
// Normalize comma separated lists by removing whitespace in between items,
// but keep whitespace within items (e.g. "Open Sans" and "OpenSans" are different fonts).
// CSS spec for whitespace includes: U+000A LINE FEED, U+0009 CHARACTER TABULATION, or U+0020 SPACE,
// which by default are all matched by \s in PHP.
return preg_replace( '/,\s+/', ',', $elem );
},
$slug_elements
);
return sanitize_text_field( implode( ';', $slug_elements ) );
}
/**
* Sanitizes a tree of data using a schema.
*
* The schema structure should mirror the data tree. Each value provided in the
* schema should be a callable that will be applied to sanitize the corresponding
* value in the data tree. Keys that are in the data tree, but not present in the
* schema, will be removed in the sanitized data. Nested arrays are traversed recursively.
*
* @since 6.5.0
*
* @access private
*
* @param array $tree The data to sanitize.
* @param array $schema The schema used for sanitization.
* @return array The sanitized data.
*/
public static function sanitize_from_schema( $tree, $schema ) {
if ( ! is_array( $tree ) || ! is_array( $schema ) ) {
return array();
}
foreach ( $tree as $key => $value ) {
// Remove keys not in the schema or with null/empty values.
if ( ! array_key_exists( $key, $schema ) ) {
unset( $tree[ $key ] );
continue;
}
$is_value_array = is_array( $value );
$is_schema_array = is_array( $schema[ $key ] ) && ! is_callable( $schema[ $key ] );
if ( $is_value_array && $is_schema_array ) {
if ( wp_is_numeric_array( $value ) ) {
// If indexed, process each item in the array.
foreach ( $value as $item_key => $item_value ) {
$tree[ $key ][ $item_key ] = isset( $schema[ $key ][0] ) && is_array( $schema[ $key ][0] )
? self::sanitize_from_schema( $item_value, $schema[ $key ][0] )
: self::apply_sanitizer( $item_value, $schema[ $key ][0] );
}
} else {
// If it is an associative or indexed array, process as a single object.
$tree[ $key ] = self::sanitize_from_schema( $value, $schema[ $key ] );
}
} elseif ( ! $is_value_array && $is_schema_array ) {
// If the value is not an array but the schema is, remove the key.
unset( $tree[ $key ] );
} elseif ( ! $is_schema_array ) {
// If the schema is not an array, apply the sanitizer to the value.
$tree[ $key ] = self::apply_sanitizer( $value, $schema[ $key ] );
}
// Remove keys with null/empty values.
if ( empty( $tree[ $key ] ) ) {
unset( $tree[ $key ] );
}
}
return $tree;
}
/**
* Applies a sanitizer function to a value.
*
* @since 6.5.0
*
* @param mixed $value The value to sanitize.
* @param callable $sanitizer The sanitizer function to apply.
* @return mixed The sanitized value.
*/
private static function apply_sanitizer( $value, $sanitizer ) {
if ( null === $sanitizer ) {
return $value;
}
return call_user_func( $sanitizer, $value );
}
/**
* 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.
*
* @since 6.5.0
*
* @access private
*
* @return string[] A collection of mime types keyed by file extension.
*/
public static function get_allowed_font_mime_types() {
$php_7_ttf_mime_type = PHP_VERSION_ID >= 70300 ? 'application/font-sfnt' : 'application/x-font-ttf';
return array(
'otf' => 'application/vnd.ms-opentype',
'ttf' => PHP_VERSION_ID >= 70400 ? 'font/sfnt' : $php_7_ttf_mime_type,
'woff' => PHP_VERSION_ID >= 80112 ? 'font/woff' : 'application/font-woff',
'woff2' => PHP_VERSION_ID >= 80112 ? 'font/woff2' : 'application/font-woff2',
);
}
}
Fatal error: Uncaught Error: Class "WP_Font_Utils" not found in /htdocs/wp-includes/fonts/class-wp-font-collection.php:222
Stack trace:
#0 /htdocs/wp-includes/fonts/class-wp-font-collection.php(74): WP_Font_Collection->sanitize_and_validate_data(Array, Array)
#1 /htdocs/wp-includes/fonts/class-wp-font-library.php(47): WP_Font_Collection->__construct('google-fonts', Array)
#2 /htdocs/wp-includes/fonts.php(97): WP_Font_Library->register_font_collection('google-fonts', Array)
#3 /htdocs/wp-includes/fonts.php(263): wp_register_font_collection('google-fonts', Array)
#4 /htdocs/wp-includes/class-wp-hook.php(324): _wp_register_default_font_collections('')
#5 /htdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#6 /htdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#7 /htdocs/wp-settings.php(704): do_action('init')
#8 /htdocs/wp-config.php(100): require_once('/htdocs/wp-sett...')
#9 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...')
#10 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...')
#11 /htdocs/index.php(17): require('/htdocs/wp-blog...')
#12 {main}
thrown in /htdocs/wp-includes/fonts/class-wp-font-collection.php on line 222