Social Auto Poster - Filter code for allowed relative image url instead of full image url

wpw_auto_poster_relative_image_src.php

<?php // Do not add this if it's already added on your file.

// Filter code for allowed relative image url instead of full image url
add_filter('wpw_auto_poster_social_media_posting_image', 'wpw_sap_custom_relative_image_src');

function wpw_sap_custom_relative_image_src( $img_src ) {

	if( !empty( $img_src ) ){
		if( is_array( $img_src ) ){
			
			$temp_srcs = $img_src;

			foreach ( $temp_srcs as $key => $src ) {

				if( ( strpos( $src, 'http://') !== 0 ) && ( strpos( $src, 'https://') !== 0 ) ) { 
				  $img_src[$key] = site_url( $src);
				}	
			}
		} else{

			if( ( strpos( $img_src, 'http://') !== 0 ) && ( strpos( $img_src, 'https://') !== 0 ) ) {
			  $img_src = site_url( $img_src);
			}
		}
	}

	return $img_src;
}