custom php script

Avg Bid (AUD)
Project Budget (AUD)
$30 - $250

Project Description:
I need someone to write code that will calculate a users message reply rate and display it in their profile.

It is a WordPress site with social capabilities where users can send each other messages. So i want their reply percentage calculated and displayed eg 'David replies to 40% of messages' or 'David replies to some messages' (35-50% = some)

Skills required:
CSS, HTML, PHP, Software Architecture, Wordpress
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