544 lines
17 KiB
PHP
544 lines
17 KiB
PHP
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<?php
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/**
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* Media handler
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*
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* @package Top_Ten
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*/
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/**
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* Add custom image size of thumbnail. Filters `init`.
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*
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* @since 2.0.0
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*/
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function tptn_add_image_sizes() {
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$thumb_size = tptn_get_option( 'thumb_size' );
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if ( ! in_array( $thumb_size, get_intermediate_image_sizes() ) ) { // phpcs:ignore WordPress.PHP.StrictInArray.MissingTrueStrict
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$thumb_size = 'tptn_thumbnail';
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}
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// Add image sizes if 'tptn_thumbnail' is selected or the selected thumbnail size is no longer valid.
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if ( 'tptn_thumbnail' === $thumb_size && tptn_get_option( 'thumb_create_sizes' ) ) {
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$width = tptn_get_option( 'thumb_width', 150 );
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$height = tptn_get_option( 'thumb_height', 150 );
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$crop = tptn_get_option( 'thumb_crop', true );
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add_image_size( 'tptn_thumbnail', $width, $height, $crop );
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}
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}
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add_action( 'init', 'tptn_add_image_sizes' );
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/**
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* Function to get the post thumbnail.
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*
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* @since 1.8
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* @param array $args Query string of options related to thumbnails.
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* @return string Image tag
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*/
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function tptn_get_the_post_thumbnail( $args = array() ) {
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$defaults = array(
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'postid' => '',
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'thumb_height' => '150', // Max height of thumbnails.
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'thumb_width' => '150', // Max width of thumbnails.
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'thumb_meta' => 'post-image', // Meta field that is used to store the location of default thumbnail image.
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'thumb_html' => 'html', // HTML / CSS for width and height attributes.
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'thumb_default' => '', // Default thumbnail image.
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'thumb_default_show' => true, // Show default thumb if none found (if false, don't show thumb at all).
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'scan_images' => false, // Scan post for images.
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'class' => 'tptn_thumb', // Class of the thumbnail.
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);
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// Parse incomming $args into an array and merge it with $defaults.
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$args = wp_parse_args( $args, $defaults );
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// Issue notice for deprecated arguments.
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if ( isset( $args['thumb_timthumb'] ) ) {
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_deprecated_argument( __FUNCTION__, '2.1', esc_html__( 'thumb_timthumb argument has been deprecated', 'top-10' ) );
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}
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if ( isset( $args['thumb_timthumb_q'] ) ) {
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_deprecated_argument( __FUNCTION__, '2.1', esc_html__( 'thumb_timthumb_q argument has been deprecated', 'top-10' ) );
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}
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if ( isset( $args['filter'] ) ) {
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_deprecated_argument( __FUNCTION__, '2.1', esc_html__( 'filter argument has been deprecated', 'top-10' ) );
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}
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if ( is_int( $args['postid'] ) ) {
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$result = get_post( $args['postid'] );
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} else {
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$result = $args['postid'];
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}
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$post_title = esc_attr( $result->post_title );
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/**
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* Filters the title and alt message for thumbnails.
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*
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* @since 2.3.0
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*
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* @param string $post_title Post tile used as thumbnail alt and title
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* @param object $result Post Object
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*/
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$post_title = apply_filters( 'tptn_thumb_title', $post_title, $result );
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$output = '';
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$postimage = '';
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$pick = '';
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// Let's start fetching the thumbnail. First place to look is in the post meta defined in the Settings page.
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if ( ! $postimage ) {
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$postimage = get_post_meta( $result->ID, $args['thumb_meta'], true );
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$pick = 'meta';
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if ( $postimage ) {
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$postimage_id = tptn_get_attachment_id_from_url( $postimage );
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if ( false != wp_get_attachment_image_src( $postimage_id, array( $args['thumb_width'], $args['thumb_height'] ) ) ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison
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$postthumb = wp_get_attachment_image_src( $postimage_id, array( $args['thumb_width'], $args['thumb_height'] ) );
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$postimage = $postthumb[0];
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}
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$pick .= 'correct';
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}
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}
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// If there is no thumbnail found, check the post thumbnail.
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if ( ! $postimage ) {
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if ( false != get_post_thumbnail_id( $result->ID ) ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison
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$postthumb = wp_get_attachment_image_src( get_post_thumbnail_id( $result->ID ), array( $args['thumb_width'], $args['thumb_height'] ) );
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if ( false !== $postthumb ) {
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$postimage = $postthumb[0];
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$pick = 'featured';
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}
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}
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}
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// If there is no thumbnail found, fetch the first image in the post, if enabled.
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if ( ! $postimage && $args['scan_images'] ) {
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preg_match_all( '/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $result->post_content, $matches );
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if ( isset( $matches[1][0] ) && $matches[1][0] ) { // any image there?
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$postimage = $matches[1][0]; // we need the first one only!
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}
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$pick = 'first';
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if ( $postimage ) {
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$postimage_id = tptn_get_attachment_id_from_url( $postimage );
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if ( false != wp_get_attachment_image_src( $postimage_id, array( $args['thumb_width'], $args['thumb_height'] ) ) ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison
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$postthumb = wp_get_attachment_image_src( $postimage_id, array( $args['thumb_width'], $args['thumb_height'] ) );
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$postimage = $postthumb[0];
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$pick .= 'correct';
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}
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}
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}
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// If there is no thumbnail found, fetch the first child image.
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if ( ! $postimage ) {
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$postimage = tptn_get_first_image( $result->ID, $args['thumb_width'], $args['thumb_height'] ); // Get the first image.
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$pick = 'firstchild';
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}
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// If no other thumbnail set, try to get the custom video thumbnail set by the Video Thumbnails plugin.
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if ( ! $postimage ) {
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$postimage = get_post_meta( $result->ID, '_video_thumbnail', true );
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$pick = 'video_thumb';
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}
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// If no thumb found and settings permit, use default thumb.
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if ( ! $postimage && $args['thumb_default_show'] ) {
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$postimage = $args['thumb_default'];
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$pick = 'default_thumb';
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}
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// Hopefully, we've found a thumbnail by now. If so, run it through the custom filter, check for SSL and create the image tag.
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if ( $postimage ) {
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/**
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* Filters the thumbnail image URL.
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*
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* Use this filter to modify the thumbnail URL that is automatically created
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* Before v2.1 this was used for cropping the post image using timthumb
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*
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* @since 2.1.0
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*
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* @param string $postimage URL of the thumbnail image
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* @param int $thumb_width Thumbnail width
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* @param int $thumb_height Thumbnail height
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* @param object $result Post Object
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*/
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$postimage = apply_filters( 'tptn_thumb_url', $postimage, $args['thumb_width'], $args['thumb_height'], $result );
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/* Backward compatibility */
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$thumb_timthumb = false;
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$thumb_timthumb_q = 75;
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/**
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* Filters the thumbnail image URL.
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*
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* @since 1.8.10
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* @deprecated 2.1.0 Use tptn_thumb_url instead.
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*
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* @param string $postimage URL of the thumbnail image
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* @param int $thumb_width Thumbnail width
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* @param int $thumb_height Thumbnail height
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* @param boolean $thumb_timthumb Enable timthumb?
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* @param int $thumb_timthumb_q Quality of timthumb thumbnail.
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* @param object $result Post Object
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*/
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$postimage = apply_filters( 'tptn_postimage', $postimage, $args['thumb_width'], $args['thumb_height'], $thumb_timthumb, $thumb_timthumb_q, $result );
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if ( is_ssl() ) {
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$postimage = preg_replace( '~http://~', 'https://', $postimage );
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}
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$class = $args['class'] . ' tptn_' . $pick;
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/**
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* Filters the thumbnail classes and allows a filter function to add any more classes if needed.
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*
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* @since 2.2.0
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*
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* @param string $class Thumbnail Class
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*/
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$attr['class'] = apply_filters( 'tptn_thumb_class', $class );
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/**
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* Filters the thumbnail alt.
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*
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* @since 2.6.0
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*
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* @param string $post_title Thumbnail alt attribute
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*/
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$attr['alt'] = apply_filters( 'tptn_thumb_alt', $post_title );
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/**
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* Filters the thumbnail title.
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*
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* @since 2.6.0
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*
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* @param string $post_title Thumbnail title attribute
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*/
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$attr['title'] = apply_filters( 'tptn_thumb_title', $post_title );
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$attr['thumb_html'] = $args['thumb_html'];
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$attr['thumb_width'] = $args['thumb_width'];
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$attr['thumb_height'] = $args['thumb_height'];
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$output .= tptn_get_image_html( $postimage, $attr );
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}
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/**
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* Filters post thumbnail created for Top 10.
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*
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* @since 1.9.10.1
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*
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* @param array $output Formatted output
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* @param array $args Argument list
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* @param string $postimage Thumbnail URL
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*/
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return apply_filters( 'tptn_get_the_post_thumbnail', $output, $args, $postimage );
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}
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/**
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* Get an HTML img element
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*
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* @since 2.6.0
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*
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* @param string $attachment_url Image URL.
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* @param array $attr Attributes for the image markup.
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* @return string HTML img element or empty string on failure.
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*/
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function tptn_get_image_html( $attachment_url, $attr = array() ) {
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// If there is no url, return.
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if ( '' == $attachment_url ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison
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return;
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}
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$default_attr = array(
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'src' => $attachment_url,
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'thumb_html' => tptn_get_option( 'thumb_html', 'html' ),
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'thumb_width' => tptn_get_option( 'thumb_width', 150 ),
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'thumb_height' => tptn_get_option( 'thumb_height', 150 ),
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);
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$attr = wp_parse_args( $attr, $default_attr );
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$hwstring = tptn_get_image_hwstring( $attr );
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// Generate 'srcset' and 'sizes' if not already present.
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if ( empty( $attr['srcset'] ) ) {
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$attachment_id = tptn_get_attachment_id_from_url( $attachment_url );
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$image_meta = wp_get_attachment_metadata( $attachment_id );
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if ( is_array( $image_meta ) ) {
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$size_array = array( absint( $attr['thumb_width'] ), absint( $attr['thumb_height'] ) );
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$srcset = wp_calculate_image_srcset( $size_array, $attachment_url, $image_meta, $attachment_id );
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$sizes = wp_calculate_image_sizes( $size_array, $attachment_url, $image_meta, $attachment_id );
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if ( $srcset && ( $sizes || ! empty( $attr['sizes'] ) ) ) {
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$attr['srcset'] = $srcset;
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if ( empty( $attr['sizes'] ) ) {
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$attr['sizes'] = $sizes;
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}
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}
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}
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}
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// Unset attributes we don't want to display.
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unset( $attr['thumb_html'] );
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unset( $attr['thumb_width'] );
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unset( $attr['thumb_height'] );
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/**
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* Filters the list of attachment image attributes.
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*
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* @since 2.6.0
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*
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* @param array $attr Attributes for the image markup.
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* @param string $attachment_url Image URL.
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*/
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$attr = apply_filters( 'tptn_get_image_attributes', $attr, $attachment_url );
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$attr = array_map( 'esc_attr', $attr );
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$html = '<img ' . $hwstring;
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foreach ( $attr as $name => $value ) {
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$html .= " $name=" . '"' . $value . '"';
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}
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$html .= ' />';
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return apply_filters( 'tptn_get_image_html', $html );
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}
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/**
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* Retrieve width and height attributes using given width and height values.
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*
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* @since 2.6.0
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*
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* @param array $args Argument array.
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*
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* @return string Height-width string.
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*/
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function tptn_get_image_hwstring( $args = array() ) {
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$default_args = array(
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'thumb_html' => tptn_get_option( 'thumb_html', 'html' ),
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'thumb_width' => tptn_get_option( 'thumb_width', 150 ),
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'thumb_height' => tptn_get_option( 'thumb_height', 150 ),
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);
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$args = wp_parse_args( $args, $default_args );
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if ( 'css' === $args['thumb_html'] ) {
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$thumb_html = ' style="max-width:' . $args['thumb_width'] . 'px;max-height:' . $args['thumb_height'] . 'px;" ';
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} elseif ( 'html' === $args['thumb_html'] ) {
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$thumb_html = ' width="' . $args['thumb_width'] . '" height="' . $args['thumb_height'] . '" ';
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} else {
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$thumb_html = '';
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}
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/**
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* Filters the thumbnail HTML and allows a filter function to add any more HTML if needed.
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*
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* @since 2.2.0
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*
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* @param string $thumb_html Thumbnail HTML.
|
||
|
|
* @param array $args Argument array.
|
||
|
|
*/
|
||
|
|
return apply_filters( 'tptn_thumb_html', $thumb_html, $args );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the first child image in the post.
|
||
|
|
*
|
||
|
|
* @since 1.9.8
|
||
|
|
* @param mixed $postid Post ID.
|
||
|
|
* @param int $thumb_width Thumb width.
|
||
|
|
* @param int $thumb_height Thumb height.
|
||
|
|
* @return string Location of thumbnail
|
||
|
|
*/
|
||
|
|
function tptn_get_first_image( $postid, $thumb_width, $thumb_height ) {
|
||
|
|
$args = array(
|
||
|
|
'numberposts' => 1,
|
||
|
|
'order' => 'ASC',
|
||
|
|
'post_mime_type' => 'image',
|
||
|
|
'post_parent' => $postid,
|
||
|
|
'post_status' => null,
|
||
|
|
'post_type' => 'attachment',
|
||
|
|
);
|
||
|
|
|
||
|
|
$attachments = get_children( $args );
|
||
|
|
|
||
|
|
if ( $attachments ) {
|
||
|
|
foreach ( $attachments as $attachment ) {
|
||
|
|
$image_attributes = wp_get_attachment_image_src( $attachment->ID, array( $thumb_width, $thumb_height ) ) ? wp_get_attachment_image_src( $attachment->ID, array( $thumb_width, $thumb_height ) ) : wp_get_attachment_image_src( $attachment->ID, 'full' );
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Filters first child attachment from the post.
|
||
|
|
*
|
||
|
|
* @since 1.9.10.1
|
||
|
|
*
|
||
|
|
* @param array $image_attributes[0] URL of the image
|
||
|
|
* @param int $postid Post ID
|
||
|
|
* @param int $thumb_width Thumb width
|
||
|
|
* @param int $thumb_height Thumb height
|
||
|
|
*/
|
||
|
|
return apply_filters( 'tptn_get_first_image', $image_attributes[0], $postid, $thumb_width, $thumb_height );
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Function to get the attachment ID from the attachment URL.
|
||
|
|
*
|
||
|
|
* @since 2.1
|
||
|
|
*
|
||
|
|
* @param string $attachment_url Attachment URL.
|
||
|
|
* @return int Attachment ID
|
||
|
|
*/
|
||
|
|
function tptn_get_attachment_id_from_url( $attachment_url = '' ) {
|
||
|
|
|
||
|
|
global $wpdb;
|
||
|
|
$attachment_id = false;
|
||
|
|
|
||
|
|
// If there is no url, return.
|
||
|
|
if ( '' == $attachment_url ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get the upload directory paths.
|
||
|
|
$upload_dir_paths = wp_upload_dir();
|
||
|
|
|
||
|
|
// Make sure the upload path base directory exists in the attachment URL, to verify that we're working with a media library image.
|
||
|
|
if ( false !== strpos( $attachment_url, $upload_dir_paths['baseurl'] ) ) {
|
||
|
|
|
||
|
|
// If this is the URL of an auto-generated thumbnail, get the URL of the original image.
|
||
|
|
$attachment_url = preg_replace( '/-\d+x\d+(?=\.(jpg|jpeg|png|gif)$)/i', '', $attachment_url );
|
||
|
|
|
||
|
|
// Remove the upload path base directory from the attachment URL.
|
||
|
|
$attachment_url = str_replace( $upload_dir_paths['baseurl'] . '/', '', $attachment_url );
|
||
|
|
|
||
|
|
// Finally, run a custom database query to get the attachment ID from the modified attachment URL.
|
||
|
|
$attachment_id = $wpdb->get_var( $wpdb->prepare( "SELECT wposts.ID FROM $wpdb->posts wposts, $wpdb->postmeta wpostmeta WHERE wposts.ID = wpostmeta.post_id AND wpostmeta.meta_key = '_wp_attached_file' AND wpostmeta.meta_value = %s AND wposts.post_type = 'attachment'", $attachment_url ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Filter the attachment ID from the attachment URL.
|
||
|
|
*
|
||
|
|
* @since 2.1
|
||
|
|
*
|
||
|
|
* @param int Attachment ID
|
||
|
|
* @param string $attachment_url Attachment URL
|
||
|
|
*/
|
||
|
|
return apply_filters( 'tptn_get_attachment_id_from_url', $attachment_id, $attachment_url );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Function to get the correct height and width of the thumbnail.
|
||
|
|
*
|
||
|
|
* @since 2.2.0
|
||
|
|
*
|
||
|
|
* @param array $args Array of arguments.
|
||
|
|
* @return array Width and height
|
||
|
|
*/
|
||
|
|
function tptn_get_thumb_size( $args ) {
|
||
|
|
|
||
|
|
// Get thumbnail size.
|
||
|
|
$tptn_thumb_size = tptn_get_all_image_sizes( $args['thumb_size'] );
|
||
|
|
|
||
|
|
if ( isset( $tptn_thumb_size['width'] ) ) {
|
||
|
|
$thumb_width = $tptn_thumb_size['width'];
|
||
|
|
$thumb_height = $tptn_thumb_size['height'];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( empty( $thumb_width ) || ( $args['is_widget'] && $thumb_width != $args['thumb_width'] ) ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison
|
||
|
|
$thumb_width = $args['thumb_width'];
|
||
|
|
$args['thumb_html'] = 'css';
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( empty( $thumb_height ) || ( $args['is_widget'] && $thumb_height != $args['thumb_height'] ) ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison
|
||
|
|
$thumb_height = $args['thumb_height'];
|
||
|
|
$args['thumb_html'] = 'css';
|
||
|
|
}
|
||
|
|
|
||
|
|
$thumb_size = array( $thumb_width, $thumb_height );
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Filter array of thumbnail size.
|
||
|
|
*
|
||
|
|
* @since 2.2.0
|
||
|
|
*
|
||
|
|
* @param array $thumb_size Array with width and height of thumbnail
|
||
|
|
* @param array $args Array of arguments
|
||
|
|
*/
|
||
|
|
return apply_filters( 'tptn_get_thumb_size', $thumb_size, $args );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get all image sizes.
|
||
|
|
*
|
||
|
|
* @since 2.0.0
|
||
|
|
* @param string $size Get specific image size.
|
||
|
|
* @return array Image size names along with width, height and crop setting
|
||
|
|
*/
|
||
|
|
function tptn_get_all_image_sizes( $size = '' ) {
|
||
|
|
global $_wp_additional_image_sizes;
|
||
|
|
|
||
|
|
/* Get the intermediate image sizes and add the full size to the array. */
|
||
|
|
$intermediate_image_sizes = get_intermediate_image_sizes();
|
||
|
|
|
||
|
|
foreach ( $intermediate_image_sizes as $_size ) {
|
||
|
|
if ( in_array( $_size, array( 'thumbnail', 'medium', 'large' ) ) ) { // phpcs:ignore WordPress.PHP.StrictInArray.MissingTrueStrict
|
||
|
|
|
||
|
|
$sizes[ $_size ]['name'] = $_size;
|
||
|
|
$sizes[ $_size ]['width'] = get_option( $_size . '_size_w' );
|
||
|
|
$sizes[ $_size ]['height'] = get_option( $_size . '_size_h' );
|
||
|
|
$sizes[ $_size ]['crop'] = (bool) get_option( $_size . '_crop' );
|
||
|
|
|
||
|
|
if ( ( 0 == $sizes[ $_size ]['width'] ) && ( 0 == $sizes[ $_size ]['height'] ) ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison
|
||
|
|
unset( $sizes[ $_size ] );
|
||
|
|
}
|
||
|
|
} elseif ( isset( $_wp_additional_image_sizes[ $_size ] ) ) {
|
||
|
|
|
||
|
|
$sizes[ $_size ] = array(
|
||
|
|
'name' => $_size,
|
||
|
|
'width' => $_wp_additional_image_sizes[ $_size ]['width'],
|
||
|
|
'height' => $_wp_additional_image_sizes[ $_size ]['height'],
|
||
|
|
'crop' => (bool) $_wp_additional_image_sizes[ $_size ]['crop'],
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Get only 1 size if found */
|
||
|
|
if ( $size ) {
|
||
|
|
if ( isset( $sizes[ $size ] ) ) {
|
||
|
|
return $sizes[ $size ];
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Filters array of image sizes.
|
||
|
|
*
|
||
|
|
* @since 2.0.0
|
||
|
|
*
|
||
|
|
* @param array $sizes Image sizes
|
||
|
|
*/
|
||
|
|
return apply_filters( 'tptn_get_all_image_sizes', $sizes );
|
||
|
|
}
|
||
|
|
|
||
|
|
|