feature: similar to functions added

[strider2038]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 268

• 8 of 8 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.1%) to 94.328%

---

Totals
Change from base Build 263:	0.1%
Covered Lines:	316
Relevant Lines:	335

---

💛 - Coveralls

[martin-georgiev]

Thank you for this PR :)

Do you mind updating the documentation @ docs/AVAILABLE-FUNCTIONS-AND-OPERATORS.md with the new functions?

[strider2038]

Thank you for this PR :)

Do you mind updating the documentation @ docs/AVAILABLE-FUNCTIONS-AND-OPERATORS.md with the new functions?

Oh, I missed it.

[Gemorroj]

don't forget about https://github.com/martin-georgiev/postgresql-for-doctrine/blob/master/docs/INTEGRATING-WITH-LARAVEL.md and
https://github.com/martin-georgiev/postgresql-for-doctrine/blob/master/docs/INTEGRATING-WITH-SYMFONY.md plz

[strider2038]

don't forget about https://github.com/martin-georgiev/postgresql-for-doctrine/blob/master/docs/INTEGRATING-WITH-LARAVEL.md and
https://github.com/martin-georgiev/postgresql-for-doctrine/blob/master/docs/INTEGRATING-WITH-SYMFONY.md plz

Done