PHP function to search keyword on Facebook timeline

If you complete this project successfully, there will be more similar projects available for you. We need a PHP function in this format: searchface($word); - using the word declared in variable $word , the script must perform a search on the Facebook's public timeline and return an array with in the format: date}time}user}text}link|data}time}user}text}link|... Where date is the post date; time is the post's time; user is the user who posted; text is the entire text of the post; link is a link to view the post in Facebook. You are required to create well structured and well-commented source code, and use 4 files at maximum. Please read the project first and write the word "Understood". Also write your steps and suggestions to complete the project with a short description of what you understood.