Replace all product images in a Comparison Set that use HTTP instead of HTTPS with the default WooCommerce placeholder image. [datafeedr][dfrcs]

replace-http-with-placeholder-image.php

<?php

/**
 * Replace all product images in a Comparison Set that use HTTP instead of HTTPS with
 * the default WooCommerce placeholder image.
 *
 * @param string $html <img> tag.
 * @param array $p Datafeedr product array.
 *
 * @return string Updated $html.
 */
function mycode_replace_http_images( $html, $p ) {

	if ( isset( $p['image'] ) && 'https' === substr( $p['image'], 0, 5 ) ) {
		return $html;
	}

	return sprintf( '<img src="%s" />', wc_placeholder_img_src() );
}

add_filter( 'dfrcs_image', 'mycode_replace_http_images', 20, 2 );