fix wordpress missing image urls

404_images.php

<?php
add_filter( 'template_redirect', function () {
	global $wp_query;

	if ( $wp_query instanceof WP_Query &&
	     isset( $wp_query->query['pagename'] ) &&
	     $wp_query->is_404()
	) {

		$uploads_dir         = wp_get_upload_dir();
		$uploads_dir_pattern = '^/?' . preg_quote( trim( $uploads_dir ['relative'], '/' ) . '/', '@' );

		if ( preg_match( '@' . $uploads_dir_pattern . '(?<subdir>.*/)(?<name>(?<filename>[^/]+)-(?<width>\d+)x(?<height>\d+)\.(?<extension>jpe?g|gif|png))@i', $wp_query->query['pagename'], $m ) ) {
			$q = new WP_Query( [
				'post_type'      => 'attachment',
				'posts_per_page' => 1,
				'name'           => $m['filename'],
			] );
			if ( $q->found_posts === 1 ) {
				/** @var WP_Post $attachment */
				$attachment = $q->posts[0];

				$editor = wp_get_image_editor( get_attached_file( $attachment->ID ) );
				if ( ! $editor instanceof WP_Error ) {
					$editor->resize( $m['width'], $m['height'], true );

					$save_to  = $uploads_dir['basedir'] . '/' . $m['subdir'] . $m['name'];
					$save_url = $uploads_dir['baseurl'] . '/' . $m['subdir'] . $m['name'];
					$save_ret = $editor->save( $save_to );
					if ( ! $save_ret instanceof WP_Error ) {
						wp_safe_redirect( $save_url );
					}
				}
			}
		}
	}
} );