How to create plagiarism checker

Hello i m developing a project. In that user will signup and can add articles in different categories. What my client requirement is whenever someone submits article it should automatically checked for plagiarism and if it scores 80% on that than it should be published. Is there any opensource script or php function or class from where plagiarism can be checked? Please help

Check it out :


This topic was automatically closed 91 days after the last reply. New replies are no longer allowed.