Function: Trim a string and append a suffix

Function: Verify nonce with additional checks to confirm request method

Function: Wrapper for set_time_limit to ensure it’s enabled before calling

Function: Create an array that can be passed to metabox select elements configured as an llms-select2-student query-ier.

Function: Define a constant if it’s not already defined

Function: Parse booleans

Function: Convert a PHP error constant to a human readable error code