WordPress at a glance
filter is not described

woocommerce_placeholder_img filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_placeholder_img', 'filter_function_name_3828', 10, 3 );
function filter_function_name_3828( $image_html, $size, $dimensions ){
	// filter...

	return $image_html;
}
$image_html
-
$size
-
$dimensions
-

Where the hook is called

wc_placeholder_img()
woocommerce_placeholder_img
woocommerce/includes/wc-product-functions.php 346
return apply_filters( 'woocommerce_placeholder_img', $image_html, $size, $dimensions );

Where in WP core the hook is used WooCommerce

Usage not found.