In PHP, using Redis to store data can be extremely beneficial for caching, session storage, and more. Often, you may need to retrieve all keys and their associated values from a Redis database for various reasons such as debugging, data analysis, or system monitoring.
In this example, we first establish a connection to the Redis server. The
keys('*') function retrieves all keys from the Redis server.
After getting all keys, we loop through each key and use the
get() function to retrieve its corresponding value.
keys('*')command in a production environment because it can degrade performance. Use it sparingly or during maintenance periods.
keys(pattern)function where possible to avoid unnecessary hits to the database.
1. How can I filter keys in Redis using PHP?
In PHP, you can filter keys in Redis by passing a pattern to the
2. What happens when I try to get a value of a key that doesn't exist?
If you try to get a value of a key that does not exist, Redis will return