1.2.717. Modify Immutable¶
A class, marked as immutable, is being modified.
This attribute is supported as a PHPdoc comment, @immutable, and as a PHP 8.0 `attribute.
<?php
/** @Immutable */
#[Immutable]
class x {
public $x = 1, $y, $z;
}
$x = new X;
// $x->x is modified, while it should not
$x->x = 2 + $x->z;
// $x->z is read only, as expected
?>
See also phpstorm-stubs/meta/attributes/Immutable.php and PhpStorm 2020.3 EAP #4: Custom PHP 8 Attributes.
1.2.717.1. Suggestions¶
Removed the modification
Clone the immutable object
1.2.717.2. Specs¶
Short name |
Attributes/ModifyImmutable |
Rulesets |
|
Exakat since |
2.2.0 |
PHP Version |
All |
Severity |
Minor |
Time To Fix |
Quick (30 mins) |
Precision |
Medium |
Features |
attribute |
Available in |