Usage
add_filter( 'allow_subdirectory_install', 'your_callback_function', 10, 1 );Filter Callback:
function your_callback_function( false ) {
// Your code here
return false;
}Parameters
falseParameter 1
🔄 Filter Hook
Filter hooks allow you to modify data before it is saved to the database or displayed on the screen. Filters must return a value.