WP Insert Image

wp-insert-image.php

<?php
/**
 * Plugin Name: WP Insert Image
 * Plugin URI:  https://gist.github.com/19h47/f85ab2722676b1f8e2f86cb2451792b6 
 * Description: WordPress insert image.
 * Version:     0.0.0
 * Author:      Jérémy Levron
 * Author URI:  https://19h47.fr
 */
 

if ( ! function_exists( 'wp_insert_image' ) ) {
	/**
	 * Insert an image from URL.
	 *
	 * @see https://gist.github.com/raazon/a00c6d0c5b3c4b8346ed139d84d923ea
	 *
	 * @param string $url
	 * @param int|WP_Post $post Post ID or post object where thumbnail should be attached.
	 *
	 * @return int|WP_Error The ID of the attachment or a WP_Error on failure.
	 */
	function wp_insert_image( string $url, $post ) {
		$post = get_post( $post );

		if ( ! function_exists( 'media_handle_upload' ) ) {
			require_once ABSPATH . 'wp-admin/includes/media.php';
			require_once ABSPATH . 'wp-admin/includes/file.php';
			require_once ABSPATH . 'wp-admin/includes/image.php';
		}

		if ( null === $post ) {
			return new WP_Error( 'insert_attachment_failed', __( 'Invalid post' ) );
		}

		if ( empty( $url ) ) {
			return new WP_Error( 'insert_attachment_failed', __( 'Insert URL' ) );
		}

		$url = esc_url( $url );

		// Set variables for storage, fix file filename for query strings.
		preg_match( '/[^\?]+\.(jpe?g|jpe|gif|png)\b/i', $url, $matches );

		if ( ! $matches ) {
			return new WP_Error( 'insert_attachment_failed', __( 'Invalid image URL' ) );
		}

		// Array that represents a `$_FILES` upload array.
		$file_array         = array();
		$file_array['name'] = basename( $matches[0] );

		// @see https://developer.wordpress.org/reference/functions/download_url/
		$file_array['tmp_name'] = download_url( $url );

		if ( is_wp_error( $file_array['tmp_name'] ) ) {
			return $file_array['tmp_name'];
		}
		
		return media_handle_sideload( $file_array, $post->ID );

		// @see https://developer.wordpress.org/reference/functions/media_handle_sideload/
		// $attachment_id = media_handle_sideload( $file_array, $post->ID );

		// if ( is_wp_error( $attachment_id ) ) {
		// 	return $attachment_id;
		// }

		// @see https://developer.wordpress.org/reference/functions/set_post_thumbnail/
		// $post_thumbnail = set_post_thumbnail( $post->ID, $attachment_id );

		// if ( false === $post_thumbnail ) {
		// 	return new WP_Error( 'insert_attachment_failed', __( 'Problem to set post thumbnail' ) );
		// }

		// return $attachment_id;
	}
 }