/**
* Count and cache the number of characters in a post's content. Or
* retrieve the count if it has already been cached.
*
* @since 1.0.
*
* @param int $post_id The post's id
* @return int The character count of the post
*/
function oxford_get_post_char_count($post_id = 0)
{
if (0 === absint($post_id)) {
$post_id = get_the_ID();
}
// Use cached value if available
$char_count = oxford_get_post_meta('cache', $post_id, 'char-count');
if (false !== $char_count) {
return absint($char_count);
} else {
$content = wp_strip_all_tags(strip_shortcodes(get_post($post_id)->post_content), true);
$char_count = strlen($content);
// Cache the value
oxford_update_post_meta('cache', $post_id, 'char-count', $char_count);
return $char_count;
}
}
/**
* Flush the cached comment object from post meta.
*
* @since 1.0.
*
* @param int $post_id The id of the post.
*/
function oxford_flush_recent_comment($post_id)
{
oxford_update_post_meta('cache', $post_id, 'recent-comment', null);
}
/**
* Flush the cached featured image ids if a featured image is updated or removed.
*
* @since 1.0.
*
* @param int $meta_id Unused.
* @param int $object_id The id of the post being updated.
* @param string $meta_key The meta key being updated.
*/
function oxford_flush_featured_images_changethumb($meta_id, $object_id, $meta_key)
{
if ('_thumbnail_id' === $meta_key || '_oxford-secondary-image-id' === $meta_key) {
oxford_update_post_meta('cache', $object_id, 'featured-images', null);
}
}
/**
* Sanitize, validate, and save the meta for post background.
*
* @since 1.0.
*
* @param int $post_id The id of the post currently being edited.
*/
function oxford_post_meta_save($post_id)
{
// Checks save status
$is_autosave = wp_is_post_autosave($post_id);
$is_revision = wp_is_post_revision($post_id);
$is_valid_nonce = isset($_POST['oxford_nonce']) && wp_verify_nonce($_POST['oxford_nonce'], basename(__FILE__)) ? 'true' : 'false';
// Exits script depending on save status
if ($is_autosave || $is_revision || !$is_valid_nonce) {
return;
}
// Sanitize/save Background Color if necessary
if (isset($_POST['post-background-color']) && ($sanitized_hex = oxford_maybe_hash_hex_color($_POST['post-background-color']))) {
if ('#ffffff' === $sanitized_hex) {
oxford_update_post_meta('settings', $post_id, 'post-background-color', null);
} else {
if ($sanitized_hex !== oxford_get_post_meta('settings', $post_id, 'post-background-color')) {
oxford_update_post_meta('settings', $post_id, 'post-background-color', $sanitized_hex);
}
}
}
// Sanitize/save Single Column if necessary
$single_column = oxford_get_post_meta('settings', $post_id, 'post-single-column');
if (isset($_POST['post-single-column']) && !$single_column) {
oxford_update_post_meta('settings', $post_id, 'post-single-column', true);
} else {
if (!isset($_POST['post-single-column']) && $single_column) {
oxford_update_post_meta('settings', $post_id, 'post-single-column', null);
}
}
// If there are no settings, remove the meta entry
$post_meta_settings = get_post_meta($post_id, '_oxford-post-settings', true);
if (empty($post_meta_settings)) {
delete_post_meta($post_id, '_oxford-post-settings');
}
}
