'14px'; // Defaults overrides. $minimum_viewport_width = isset( $fluid_settings['minViewportWidth'] ) ? $fluid_settings['minViewportWidth'] : $default_minimum_viewport_width; $maximum_viewport_width = isset( $layout_settings['wideSize'] ) && ! empty( wp_get_typography_value_and_unit( $layout_settings['wideSize'] ) ) ? $layout_settings['wideSize'] : $default_maximum_viewport_width; if ( isset( $fluid_settings['maxViewportWidth'] ) ) { $maximum_viewport_width = $fluid_settings['maxViewportWidth']; } $has_min_font_size = isset( $fluid_settings['minFontSize'] ) && ! empty( wp_get_typography_value_and_unit( $fluid_settings['minFontSize'] ) ); $minimum_font_size_limit = $has_min_font_size ? $fluid_settings['minFontSize'] : $default_minimum_font_size_limit; // Try to grab explicit min and max fluid font sizes. $minimum_font_size_raw = isset( $fluid_font_size_settings['min'] ) ? $fluid_font_size_settings['min'] : null; $maximum_font_size_raw = isset( $fluid_font_size_settings['max'] ) ? $fluid_font_size_settings['max'] : null; // Font sizes. $preferred_size = wp_get_typography_value_and_unit( $preset['size'] ); // Protects against unsupported units. if ( empty( $preferred_size['unit'] ) ) { return $preset['size']; } /* * Normalizes the minimum font size limit according to the incoming unit, * in order to perform comparative checks. */ $minimum_font_size_limit = wp_get_typography_value_and_unit( $minimum_font_size_limit, array( 'coerce_to' => $preferred_size['unit'], ) ); // Don't enforce minimum font size if a font size has explicitly set a min and max value. if ( ! empty( $minimum_font_size_limit ) && ( ! $minimum_font_size_raw && ! $maximum_font_size_raw ) ) { /* * If a minimum size was not passed to this function * and the user-defined font size is lower than $minimum_font_size_limit, * do not calculate a fluid value. */ if ( $preferred_size['value'] <= $minimum_font_size_limit['value'] ) { return $preset['size']; } } // If no fluid max font size is available use the incoming value. if ( ! $maximum_font_size_raw ) { $maximum_font_size_raw = $preferred_size['value'] . $preferred_size['unit']; } /* * If no minimumFontSize is provided, create one using * the given font size multiplied by the min font size scale factor. */ if ( ! $minimum_font_size_raw ) { $preferred_font_size_in_px = 'px' === $preferred_size['unit'] ? $preferred_size['value'] : $preferred_size['value'] * 16; /* * The scale factor is a multiplier that affects how quickly the curve will move towards the minimum, * that is, how quickly the size factor reaches 0 given increasing font size values. * For a - b * log2(), lower values of b will make the curve move towards the minimum faster. * The scale factor is constrained between min and max values. */ $minimum_font_size_factor = min( max( 1 - 0.075 * log( $preferred_font_size_in_px, 2 ), $default_minimum_font_size_factor_min ), $default_minimum_font_size_factor_max ); $calculated_minimum_font_size = round( $preferred_size['value'] * $minimum_font_size_factor, 3 ); // Only use calculated min font size if it's > $minimum_font_size_limit value. if ( ! empty( $minimum_font_size_limit ) && $calculated_minimum_font_size <= $minimum_font_size_limit['value'] ) { $minimum_font_size_raw = $minimum_font_size_limit['value'] . $minimum_font_size_limit['unit']; } else { $minimum_font_size_raw = $calculated_minimum_font_size . $preferred_size['unit']; } } $fluid_font_size_value = wp_get_computed_fluid_typography_value( array( 'minimum_viewport_width' => $minimum_viewport_width, 'maximum_viewport_width' => $maximum_viewport_width, 'minimum_font_size' => $minimum_font_size_raw, 'maximum_font_size' => $maximum_font_size_raw, 'scale_factor' => $default_scale_factor, ) ); if ( ! empty( $fluid_font_size_value ) ) { return $fluid_font_size_value; } return $preset['size']; } // Register the block support. WP_Block_Supports::get_instance()->register( 'typography', array( 'register_attribute' => 'wp_register_typography_support', 'apply' => 'wp_apply_typography_support', ) ); Explore – Nos Dushi Bida