PHP Data Extraction

1. MAIN (cronjob)

1.1. Load available source plugins

1.2. Check db for configured sources

1.3. Based on each configured source

1.3.1. Source class: Instantiate

1.3.2. New node

2. Source (abstraction)

2.1. ABSTRACT

2.1.1. BOOL capability_Xi

2.1.2. request_Xi()

2.2. init()

2.3. get_Xi()

2.3.1. y=request_Xi()

2.3.2. update_db_Xi(y)

2.4. update_db_Xi()

3. Daisy Source (instantiation)

3.1. request_Xi()