$image_ids = oxford_get_featured_image_ids(get_the_ID());
$too_small = array_keys($image_ids, 0);
if (count($image_ids) > count($too_small)) {
$post_class = 'has-featured-image';
}
?>
<article id="post-<?php
the_ID();
?>
" <?php
post_class($post_class);
?>
>
<div class="entry-content<?php
if (oxford_get_post_char_count() >= oxford_get_post_char_threshold() && !oxford_get_post_meta('settings', get_the_ID(), 'post-single-column')) {
echo ' content-columns';
}
?>
">
<header class="entry-header">
<?php
get_template_part('_post', 'title');
?>
<p class="entry-author-byline">
<?php
printf(_x('by %s', 'author byline', 'oxford'), sprintf('<a class="vcard" href="%1$s">%2$s</a>', esc_url(get_author_posts_url(get_the_author_meta('ID'))), esc_html(get_the_author_meta('display_name'))));
?>
</p>
</header>
/**
* Return the ids of all featured images for a given post.
*
* @since 1.0.
*
* @param int $post_id The id of the post to get the selected images from.
* @return array The ids of the featured images.
*/
function oxford_get_featured_image_ids($post_id = 0)
{
if (0 === absint($post_id)) {
$post_id = get_the_ID();
}
// Check for cached data first
$existing_data = oxford_get_post_meta('cache', $post_id, 'featured-images');
if (is_array($existing_data) && !empty($existing_data)) {
return $existing_data;
}
// No cached data, so start with an empty array
$image_ids = array();
// The post is an attachment
if (is_attachment()) {
$image_ids[] = $post_id;
} else {
// Featured Image
$post_thumbnail = get_post_thumbnail_id($post_id);
if (absint($post_thumbnail) > 0) {
$image_ids[] = $post_thumbnail;
}
// Secondary Image
$secondary_image = get_post_meta($post_id, '_oxford-secondary-image-id', true);
if (absint($secondary_image) > 0) {
$image_ids[] = $secondary_image;
}
}
// Process the images
$processed_ids = oxford_process_featured_images($image_ids);
// Save the array to post meta, even if it's still empty
oxford_update_post_meta('cache', $post_id, 'featured-images', $processed_ids);
return $processed_ids;
}
/**
* 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;
}
}
/**
* 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');
}
}