Implicitly marking parameter as nullable is deprecated
Reports deprecated usage of an implicitly nullable parameter type.
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PhpDeprecatedImplicitlyNullableParameterInspection- Via Settings dialog
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Starting from PHP 8.4, usage of null as a default value for a parameter without declaring null in the type declaration is deprecated.
See Deprecate implicitly nullable parameter types for details.
Suppressing Inspection
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By default bundled with: | IntelliJ IDEA 2025.2, PhpStorm 2025.2, Qodana for JVM 2025.2, Qodana for PHP 2025.2, |