1.2.767. New Dynamic Class Constant Syntax¶
PHP has a dedicated syntax to access dynamically class constant values. This was added in PHP 8.3. It prevents using the a call to the function
constant().
<?php
class x {
const A = 1;
}
$a = 'A';
echo x::{$a}; // displays 1
?>
1.2.767.1. Specs¶
Short name |
Classes/NewDynamicConstantSyntax |
Rulesets |
All, Appinfo, CompatibilityPHP53, CompatibilityPHP54, CompatibilityPHP55, CompatibilityPHP56, CompatibilityPHP70, CompatibilityPHP71, CompatibilityPHP72, CompatibilityPHP73, CompatibilityPHP74, CompatibilityPHP80, CompatibilityPHP81, CompatibilityPHP82 |
Exakat since |
2.5.3 |
PHP Version |
With PHP 8.3 and more recent |
Severity |
Minor |
Time To Fix |
Quick (30 mins) |
Precision |
Very high |
Features |
class-constant |
Available in |