WP_Theme_JSON::remove_insecure_element_styles( array $elements ): array

Source

protected static function remove_insecure_element_styles( $elements ) {
	$sanitized           = array();
	$valid_element_names = array_keys( static::ELEMENTS );

	foreach ( $valid_element_names as $element_name ) {
		$element_input = $elements[ $element_name ] ?? null;
		if ( $element_input ) {
			$element_output = static::remove_insecure_styles( $element_input );

			if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element_name ] ) ) {
				foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element_name ] as $pseudo_selector ) {
					if ( isset( $element_input[ $pseudo_selector ] ) ) {
						$element_output[ $pseudo_selector ] = static::remove_insecure_styles( $element_input[ $pseudo_selector ] );
					}
				}
			}

			$sanitized[ $element_name ] = $element_output;
		}
	}
	return $sanitized;
}

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