wp_get_typography_font_size_value() │ WP 6.1.0 Returns a font-size value based on a given font-size preset. Takes into account fluid typography parameters and attempts to return a CSS formula depending on available, valid values.
Хуков нет.
Возвращает
Строку|null
. Font-size value or null if a size is not passed in $preset .
Использование
wp_get_typography_font_size_value( $preset, $should_use_fluid_typography );
$preset(массив) (обязательный)
Required. fontSizes preset value as seen in theme.json.
name (строка)
Name of the font size preset.
slug (строка)
Kebab-case, unique identifier for the font size preset.
size (строка|int|float)
CSS font-size value, including units if applicable.
$should_use_fluid_typography(true|false)
An override to switch fluid typography "on". Can be used for unit testing.
По умолчанию: false
Список изменений
С версии 6.1.0
Введена.
С версии 6.1.1
Adjusted rules for min and max font sizes.
С версии 6.2.0
Added 'settings.typography.fluid.minFontSize' support.
С версии 6.3.0
Using layout.wideSize as max viewport width, and logarithmic scale factor to calculate minimum font scale.
С версии 6.4.0
Added configurable min and max viewport width values to the typography.fluid theme.json schema.
Код wp_get_typography_font_size_value() wp get typography font size value
WP 6.5.2
function wp_get_typography_font_size_value( $preset, $should_use_fluid_typography = false ) {
if ( ! isset( $preset['size'] ) ) {
return null;
}
/*
* Catches empty values and 0/'0'.
* Fluid calculations cannot be performed on 0.
*/
if ( empty( $preset['size'] ) ) {
return $preset['size'];
}
// Checks if fluid font sizes are activated.
$global_settings = wp_get_global_settings();
$typography_settings = isset( $global_settings['typography'] ) ? $global_settings['typography'] : array();
$layout_settings = isset( $global_settings['layout'] ) ? $global_settings['layout'] : array();
if (
isset( $typography_settings['fluid'] ) &&
( true === $typography_settings['fluid'] || is_array( $typography_settings['fluid'] ) )
) {
$should_use_fluid_typography = true;
}
if ( ! $should_use_fluid_typography ) {
return $preset['size'];
}
$fluid_settings = isset( $typography_settings['fluid'] ) && is_array( $typography_settings['fluid'] )
? $typography_settings['fluid']
: array();
// Defaults.
$default_maximum_viewport_width = '1600px';
$default_minimum_viewport_width = '320px';
$default_minimum_font_size_factor_max = 0.75;
$default_minimum_font_size_factor_min = 0.25;
$default_scale_factor = 1;
$default_minimum_font_size_limit = '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;
// Font sizes.
$fluid_font_size_settings = isset( $preset['fluid'] ) ? $preset['fluid'] : null;
// A font size has explicitly bypassed fluid calculations.
if ( false === $fluid_font_size_settings ) {
return $preset['size'];
}
// 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'];
}