SRL Function Reference

All 61 supported SRL functions, grouped by purpose. Every entry includes syntax, allowed parameters, return type, examples, and expected return values.

Function names are case-insensitive. Examples use the preferred spelling. Collection functions return new values and do not modify source configuration.

Core Functions

25 text, conversion, presence, numeric, and configuration metadata functions.

lower(), replace(), contains(), number(), exists(), name()

Collection Functions

11 functions for reading, transforming, sorting, aggregating, and grouping collections without mutation.

any(), array_keys(), array_sort(), array_unique(), array_group_by()

Network and Firewall Functions

25 IP, CIDR, port, certificate, firmware, object-expansion, duplicate-detection, and policy-analysis functions.

network_includes(), cert_days_remaining(), getRecommendedFortiOSRelease()

Choosing a function

  • Use operators for direct comparisons and functions for conversion, expansion, aggregation, or firewall-aware processing.
  • Use array_group_by() for one-pass field grouping instead of nested scans over the same collection.
  • Use foreach and if when a transformation requires custom conditional logic.
  • Use specialized duplicate helpers when their indexed result format and measured performance fit the rule.