Replace special strings when processing a view with form elements.
array An associative array where each key is a string to be replaced, and the corresponding value is its replacement.
Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.
function hook_views_form_substitutions() {
return array(
'<!--views-form-example-substitutions-->' => 'Example Substitution',
);
}