Need a simple php page code to filter numbers from a list

Project: Filter White List Numbers from a list Requirement: 1. Need a simple php page code to filter numbers from a list. 2. Will add some usernames and their White List numbers in Database first. 3. Will paste a Numbers List in a field (textarea). Will paste 100 to 25000 numbers in a list. 4. Will select a username and all White List numbers in Database for that username will show in a table. 5. I will click Filter Button. 6. If any number is there in Numbers List from White List, all that numbers will show in Results box. 7. I want to operate all this in a single php page. (Sample design structures added for clarity. Please check them.) This is a simple project. Please bid as low as possible. Thank you.