php-redisCheck if key exists in Redis

$redis->exists('test');ctrl + cgithub

`$redis` Redis object after connection	`exists` returns `true` if specified key exists in Redis
`test` name of the key to check existence of

<?php

$r = new Redis(); 
$r->connect('127.0.0.1', 6379); 

if ( $r->exists('test') ) {
  echo 'Key exists!';
}