PhpStorm 2019.3 Help

Code Inspection: Unused local variable

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

  • The value of the variable is not used anywhere or is overwritten immediately.

  • The reference stored in the variable is not used anywhere or is overwritten immediately.

By default, the inspection is disabled for global space. To enable it, select the Enable inspection in global space checkbox below.

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

  • The value of the variable is not used anywhere or is overwritten immediately.

  • The reference stored in the variable is not used anywhere or is overwritten immediately.

See global space (php.net) for details.

Last modified: 20 February 2020