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@ajskelton
Last active March 15, 2022 04:47
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WordPress External Image Handler - Add External URL image as featured image for a post
/**
* Uploads an image from remote url and sets as featured image of the new post
*
* @param int $post_id The id of the new post
* @param string $thumbnail_url Url of the preview image hosted by BrightTalk
*/
private function image_handler( $post_id, $thumbnail_url ) {
$image_url = $thumbnail_url; // Define the image URL here
$image_name = basename( $thumbnail_url );
$upload_dir = wp_upload_dir(); // Set upload folder
$image_data = file_get_contents( $image_url ); // Get image data
$unique_file_name = wp_unique_filename( $upload_dir['path'], $image_name ); // Generate unique name
$filename = basename( $unique_file_name ); // Create image file name
// Check folder permission and define file location
if ( wp_mkdir_p( $upload_dir['path'] ) ) {
$file = $upload_dir['path'] . '/' . $filename;
} else {
$file = $upload_dir['basedir'] . '/' . $filename;
}
// Create the image file on the server
file_put_contents( $file, $image_data );
// Check image file type
$wp_filetype = wp_check_filetype( $filename, null );
// Set attachment data
$attachment = array(
'post_mime_type' => $wp_filetype['type'],
'post_title' => sanitize_file_name( $filename ),
'post_content' => '',
'post_status' => 'inherit'
);
// Create the attachment
$attach_id = wp_insert_attachment( $attachment, $file, $post_id );
// Include image.php
require_once( ABSPATH . 'wp-admin/includes/image.php' );
// Define attachment metadata
$attach_data = wp_generate_attachment_metadata( $attach_id, $file );
// Assign metadata to attachment
wp_update_attachment_metadata( $attach_id, $attach_data );
// And finally assign featured image to post
set_post_thumbnail( $post_id, $attach_id );
}
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