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66 lines
1.7 KiB
PHTML
66 lines
1.7 KiB
PHTML
7 months ago
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<?php
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/**
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* ET_Builder_Module_Helper_Media class file.
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*
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* @class ET_Builder_Module_Helper_Media
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* @package Divi\Builder
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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die( 'Direct access forbidden.' );
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}
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/**
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* Class ET_Builder_Module_Helper_Media.
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*
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* Module helpers for media (image).
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*
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* @since 4.6.4
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*/
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class ET_Builder_Module_Helper_Media {
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/**
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* Return instance of current class.
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*
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* @return ET_Builder_Module_Helper_Media
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*/
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public static function instance() {
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static $instance;
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return $instance ? $instance : $instance = new self();
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}
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/**
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* Get image attachment class.
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*
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* - wp-image-{$id}
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* Add `wp-image-{$id}` class to let `wp_filter_content_tags()` fill in missing
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* height and width attributes on the image. Those attributes are required to add
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* loading "lazy" attribute on the image. WP doesn't have specific method to only
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* generate this class. It's included in get_image_tag() to generate image tags.
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*
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* @since 4.6.4
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*
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* @param array $attrs All module attributes.
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* @param string $source_key Key of image source.
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* @param integer $attachment_id Attachment ID. Optional.
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*
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* @return string
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*/
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public function get_image_attachment_class( $attrs, $source_key, $attachment_id = 0 ) {
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$attachment_class = '';
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// 1.a. Find attachment ID by URL. Skip if the source key is empty.
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if ( ! empty( $source_key ) ) {
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$attachment_src = et_()->array_get( $attrs, $source_key, '' );
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$attachment_id = et_get_attachment_id_by_url( $attachment_src );
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}
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// 1.b. Generate attachment ID class.
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if ( $attachment_id > 0 ) {
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$attachment_class = "wp-image-{$attachment_id}";
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}
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return $attachment_class;
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}
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}
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