image_make_intermediate_size filter-hook . WP 1.0

This filter is documented in wp-includes/class-wp-image-editor-gd.php

Usage

add_filter( 'image_make_intermediate_size', 'filter_function_name_857' );
function filter_function_name_857( $filename ){
	// filter...

	return $filename;
}

$filename

-

Where the hook is called

'file'      => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),

'file'      => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),

Where in WP core the hook is used WordPress