Unnecessary pass-by-ref

Reports the variables that are passed by reference to a function/method but are not modified in the function/method body. In such cases, the & in parameter's declaration can be safely removed.

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.

PhpParameterByRefIsNotUsedAsReferenceInspection

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 | Code smell

See Passing by Reference (php.net) for details.

Availability

By default bundled with: PhpStorm 2024.1, Qodana for PHP 2024.1,
Can be installed with plugin: PHP, 241.SNAPSHOT

Last modified: 18 June 2024