Undefined function

Last modified: 03 December 2024

Reports the references to functions that are not defined in the project files, configured include paths, or among the PHP predefined functions.

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.

PhpUndefinedFunctionInspection
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 | Undefined symbols

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