FCALL_RO function numkeys key [key ...] arg [arg ...]

Available since: 7.0.0

Time complexity: Depends on the function that is executed.

ACL categories: @slow @scripting

This is a read-only variant of the FCALL command that cannot execute commands that modify data.

For more information about when to use this command vs FCALL, please refer to Read-only scripts.

For more information please refer to Introduction to Redis Functions.