Example script to reset the value to 0 for all keys in Redis.

example_redis_reset_request_count.php

<?php
if($redis->connect($GLOBALS['REDIS_HOST'], $GLOBALS['REDIS_PORT'])) {
	if($redis->auth($GLOBALS['REDIS_PASSWORD'])) {
		$keys = $redis->keys('*');

		foreach($keys as $key) {
			$redis->set($key, 0);
		}
	} else {
		error_log('Error authenticating to redis!');
	}
} else {
	error_log('Error connecting to redis!');
}