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<?php |
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/** |
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* ConvertKit Media Library class. |
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* |
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* @package ConvertKit |
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* @author ConvertKit |
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*/ |
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|
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/** |
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* Class to import a remote image to the WordPress Media Library. |
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* |
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* @since 2.2.8 |
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*/ |
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class ConvertKit_Media_Library { |
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|
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/** |
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* Imports a remote image into the WordPress Media Library |
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* |
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* @since 2.2.8 |
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* |
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* @param string $remote_image_url Source URL. |
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* @param int $post_id Post ID to attach the Media Library image to. |
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* @param string $alt_tag Image Alt Tag (optional). |
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* @return WP_Error|int |
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*/ |
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public function import_remote_image( $remote_image_url, $post_id, $alt_tag = '' ) { |
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|
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// Load required functions for image importing. |
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if ( ! function_exists( 'media_handle_upload' ) ) { |
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require_once ABSPATH . 'wp-admin/includes/image.php'; |
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require_once ABSPATH . 'wp-admin/includes/file.php'; |
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require_once ABSPATH . 'wp-admin/includes/media.php'; |
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} |
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|
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// Get the remote image. |
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$tmp = download_url( $remote_image_url ); |
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if ( is_wp_error( $tmp ) ) { |
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return $tmp; |
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} |
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|
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// Get image type. |
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$type = getimagesize( $tmp ); |
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if ( ! isset( $type['mime'] ) ) { |
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return new WP_Error( __( 'Could not identify MIME type of imported image.', 'convertkit' ) ); |
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} |
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list( $type, $ext ) = explode( '/', $type['mime'] ); |
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unset( $type ); |
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|
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// Define image filename, excluding any parameters. |
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$file_array['name'] = strtok( basename( $remote_image_url ), '?' ); |
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$file_array['tmp_name'] = $tmp; |
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|
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// Add the extension to the filename, if it doesn't exist. |
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// This happens if we streamed an image URL with no extension specified. |
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// e.g. https://embed.filekitcdn.com/e/pX62TATVeCKK5QzkXWNLw3/iLRneK6yxY4WwQUdkkUMaq. |
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switch ( $ext ) { |
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case 'jpeg': |
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case 'jpg': |
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// If neither .jpeg or .jpg exist, append the extension. |
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if ( strpos( $file_array['name'], '.jpg' ) === false && strpos( $file_array['name'], '.jpeg' ) === false ) { |
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$file_array['name'] .= '.jpg'; |
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} |
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break; |
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|
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default: |
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if ( strpos( $file_array['name'], '.' . $ext ) === false ) { |
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$file_array['name'] .= '.' . $ext; |
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} |
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break; |
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} |
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|
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// Import the image into the Media Library. |
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$image_id = media_handle_sideload( $file_array, $post_id, '' ); |
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if ( is_wp_error( $image_id ) ) { |
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return $image_id; |
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} |
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|
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// If an alt tag has been specified, set it now. |
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if ( ! empty( $alt_tag ) ) { |
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update_post_meta( $image_id, '_wp_attachment_image_alt', $alt_tag ); |
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} |
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|
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// Return the image ID. |
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return $image_id; |
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|
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} |
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|
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} |
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|
