mirror of
https://github.com/10h30/display-featured-image-genesis.git
synced 2026-06-05 15:08:20 +09:00
Robin Cornett
118 lines
3.1 KiB
PHP
118 lines
3.1 KiB
PHP
<?php
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/**
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* Helper functions for Display Featured Image for Genesis
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*
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* @package DisplayFeaturedImageGenesis
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* @author Robin Cornett <hello@robincornett.com>
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* @link https://github.com/robincornett/display-featured-image-genesis/
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* @copyright 2015 Robin Cornett
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* @license GPL-2.0+
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*/
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/**
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* gets the term image ID
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* @return image_id reusable function to get a post's term image, if it exists
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*
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* @since 2.1.0
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*/
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function display_featured_image_genesis_get_term_image_id() {
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$taxonomies = get_taxonomies();
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$args = array( 'orderby' => 'count', 'order' => 'DESC' );
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$terms = wp_get_object_terms( get_the_ID(), $taxonomies, $args );
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$image_id = '';
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foreach ( $terms as $term ) {
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$t_id = $term->term_id;
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$term_meta = get_option( "displayfeaturedimagegenesis_$t_id" );
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if ( ! empty( $term_meta['term_image'] ) ) {
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$image_id = Display_Featured_Image_Genesis_Common::get_image_id( $term_meta['term_image'] );
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break;
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}
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}
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return $image_id;
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}
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/**
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* Helper function to get the term image URL.
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* @param string $size image size
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* @return url URL associated with the term image
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*
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* @since 2.1.0
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*/
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function display_featured_image_genesis_get_term_image_url( $size='displayfeaturedimage_backstretch' ) {
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$image_id = display_featured_image_genesis_get_term_image_id();
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$image_url = wp_get_attachment_image_src( $image_id, $size );
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return $image_url[0];
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}
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/**
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* Helper function to get the default image ID.
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* @return ID ID associated with the fallback/default image
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*
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* @since 2.1.0
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*/
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function display_featured_image_genesis_get_default_image_id() {
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$item = Display_Featured_Image_Genesis_Common::get_image_variables();
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$image_id = $item->fallback_id;
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return $image_id;
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}
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/**
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* Helper function to get the default image URL.
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* @param image size $size image size to retrieve
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* @return URL URL associated with the term image
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*
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* @since 2.1.0
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*/
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function display_featured_image_genesis_get_default_image_url( $size='displayfeaturedimage_backstretch' ) {
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$image_id = display_featured_image_genesis_get_default_image_id();
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$image_url = wp_get_attachment_image_src( $image_id, $size );
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return $image_url[0];
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}
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/**
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* Add term/default image to blog/archive pages.
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* @return image If a post doesn't have its own thumbnail, you can use this function to add one to archive pages.
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*
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* @since 2.1.0
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*/
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function display_featured_image_genesis_add_archive_thumbnails() {
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if ( ! is_home() && ! is_archive() && ! is_page_template( 'page_blog.php' ) ) {
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return;
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}
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if ( has_post_thumbnail() ) {
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return;
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}
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$size = genesis_get_option( 'image_size' );
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$image_url = display_featured_image_genesis_get_term_image_url( $size );
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if ( empty( $image_url ) ) {
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$image_url = display_featured_image_genesis_get_default_image_url( $size );
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}
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if ( empty( $image_url ) ) {
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return;
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}
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$permalink = get_the_permalink();
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$alignment = genesis_get_option( 'image_alignment' );
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$image = '<a href="' . esc_url( $permalink ) . '"><img src="' . esc_url( $image_url ) . '" class="' . $alignment . '" /></a>';
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echo $image;
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}
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