PHP 8.1 RFC: is_literal
  is_literal | |
New Feature  | |
| PHP 8.1 | |
| Declined | 
RFC Vote: is_literal
Declined
  | - | |
| >= 2/3 | |
| Yes: 10No: 23 | 
Add the function is_literal(), a lightweight and effective way to identify if a string was written by a developer, removing the risk of a variable containing an Injection Vulnerability.