Unused parameter

Last modified: 03 December 2024

Reports the parameters that are considered unused in the following cases:

  • The parameter is passed by value, and the value is not used anywhere or is overwritten immediately.

  • The parameter is passed by reference, and the reference is not used anywhere or is overwritten immediately.

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

PhpUnusedParameterInspection
Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | PHP | Unused symbols

Inspection options

Here you can find the description of settings available for the Unused parameter inspection, and the reference of their default values.

Ignore parameters of methods/functions with empty body

Default: Selected

Ignore parameters of overriding methods

Default: Selected

Ignore parameters of abstract classes' methods

Not selected

Ignore parameters of anonymous functions

Not selected

Don't report parameters accessed via 'func_num_args()'

Not selected

Don't report when the property hook parameter is equal to the property type

Not selected

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.3, PhpStorm 2024.3, Qodana for JVM 2024.3, Qodana for PHP 2024.3,

Can be installed with plugin:

PHP, 243.23126