1.2.682. Method Signature Must Be Compatible¶
Make sure methods signature are compatible.
PHP generates the infamous Fatal error at execution : Declaration of FooParent\:\:Bar() must be compatible with FooChildren\:\:Bar()
<?php
class x {
function xa() {}
}
class xxx extends xx {
function xa($a) {}
}
?>
1.2.682.1. Suggestions¶
Fix the child class method() signature.
Fix the parent class method() signature, after checking that it won’t affect the other children.
1.2.682.2. Specs¶
Short name |
Classes/MethodSignatureMustBeCompatible |
Rulesets |
|
Exakat since |
1.2.9 |
PHP Version |
All |
Severity |
Critical |
Time To Fix |
Quick (30 mins) |
Precision |
High |
Features |
typehint, type-covariance, type-contravariance |
Note |
This issue may lint but will not run |
Available in |