/**
* Return a particular global option default.
*
* @since 1.0.0.
*
* @param string $option The key of the option to return.
* @return mixed Default value if found; false if not found.
*/
function ttfmake_get_default($option)
{
$defaults = ttfmake_option_defaults();
$default = isset($defaults[$option]) ? $defaults[$option] : false;
/**
* Filter the retrieved default value.
*
* @since 1.2.3.
*
* @param mixed $default The default value.
* @param string $option The name of the default value.
*/
return apply_filters('make_get_default', $default, $option);
}
/**
* Build the HTTP request URL for Google Fonts.
*
* The wp_enqueue_style function escapes the stylesheet URL, so no escaping is done here. If
* this function is used in a different context, make sure the output is escaped!
*
* @since 1.0.0.
*
* @return string The URL for including Google Fonts.
*/
function ttfmake_get_google_font_uri()
{
// Grab the font choices
$all_keys = array_keys(ttfmake_option_defaults());
$font_keys = array();
foreach ($all_keys as $key) {
if (false !== strpos($key, 'font-family-')) {
$font_keys[] = $key;
}
}
$fonts = array();
foreach ($font_keys as $key) {
$fonts[] = get_theme_mod($key, ttfmake_get_default($key));
}
// De-dupe the fonts
$fonts = array_unique($fonts);
$allowed_fonts = ttfmake_get_google_fonts();
$family = array();
// Validate each font and convert to URL format
foreach ($fonts as $font) {
$font = trim($font);
// Verify that the font exists
if (array_key_exists($font, $allowed_fonts)) {
// Build the family name and variant string (e.g., "Open+Sans:regular,italic,700")
$family[] = urlencode($font . ':' . join(',', ttfmake_choose_google_font_variants($font, $allowed_fonts[$font]['variants'])));
}
}
// Start the request
$request = '';
$uri_base = '//fonts.googleapis.com/css';
// Convert from array to string
if (!empty($family)) {
$request = add_query_arg('family', implode('|', $family), $uri_base);
}
// Load the font subset
$subset = get_theme_mod('font-subset', ttfmake_get_default('font-subset'));
if ('all' === $subset) {
$subsets_available = ttfmake_get_google_font_subsets();
// Remove the all set
unset($subsets_available['all']);
// Build the array
$subsets = array_keys($subsets_available);
} else {
$subsets = array($subset);
if ('latin' !== $subset) {
$subsets[] = 'latin';
}
}
// Append the subset string
if ('' !== $request && !empty($subsets)) {
$request = add_query_arg('subset', join(',', $subsets), $request);
}
/**
* Filter the Google Fonts URL.
*
* @since 1.2.3.
*
* @param string $url The URL to retrieve the Google Fonts.
*/
return apply_filters('make_get_google_font_uri', $request);
}
/**
* Return all the option keys for the specified font property.
*
* @since 1.3.0.
*
* @param string $property The font property to search for.
* @return array Array of matching font option keys.
*/
function ttfmake_get_font_property_option_keys($property)
{
$all_keys = array_keys(ttfmake_option_defaults());
$font_keys = array();
foreach ($all_keys as $key) {
if (preg_match('/^font-' . $property . '-/', $key)) {
$font_keys[] = $key;
}
}
return $font_keys;
}