- var_dump: documentation ( source)
- chmod: documentation ( source)
- touch: documentation ( source)
- stream_wrapper_register: documentation ( source)
- str_replace: documentation ( source)
- restore_error_handler: documentation ( source)
- preg_replace: documentation ( source)
- set_error_handler: documentation ( source)
- trigger_error: documentation ( source)
- fopen: documentation ( source)