WordPress at a glance
filter is not described

wp_editor_settings filter-hook . WP 4.0.0

Filters the wp_editor() settings.

Usage

add_filter( 'wp_editor_settings', 'filter_function_name_6618', 10, 2 );
function filter_function_name_6618( $settings, $editor_id ){
	// filter...

	return $settings;
}
$settings(array)
Array of editor arguments.
$editor_id(string)
ID for the current editor instance.

Where the hook is called

_WP_Editors::parse_settings()
wp_tinymce_inline_scripts()
wp-includes/class-wp-editor.php 81
$settings = apply_filters( 'wp_editor_settings', $settings, $editor_id );
wp-includes/script-loader.php 600
$editor_settings = apply_filters( 'wp_editor_settings', array( 'tinymce' => true ), 'classic-block' );

Where the hook is used (in WP core)

Does not used.