1.2.692. Mismatch Properties Typehints¶
Properties must match within the same family.
When a property is declared both in a parent class, and a child class, they must have the same type. The same type includes a possible null value.
This doesn’t apply to private properties, which are only visible locally. This code will lint, but not execute.
<?php
// property $p is declared as an object of type a
class x {
protected A $p;
}
// property $p is declared again, this time without a type
class a extends x {
protected $p;
}
?>
1.2.692.1. Suggestions¶
Remove some of the property declarations, and only keep it in the highest ranking parent
Match the typehints of the property declarations
Make the properties private
Remove the child class (or the parent class)
1.2.692.2. Specs¶
Short name |
Classes/MismatchProperties |
Rulesets |
|
Exakat since |
2.1.4 |
PHP Version |
All |
Severity |
Minor |
Time To Fix |
Quick (30 mins) |
Precision |
High |
Features |
property |
Note |
This issue may lint but will not run |
Available in |