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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.

Inspection options

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

Enable inspection in global space

Not selected

Ignore a foreach value inside 'list()' or when a 'foreach' key exists

Default: Selected

Ignore variables inside 'list()'

Not selected

Ignore assignment to 'null'

Default: Selected

Ignore variables accessed via 'get_defined_vars()'

Default: Selected

Ignore variables before 'include'

Default: Selected

Inspection Details

By default bundled with:

PhpStorm 2024.1, Qodana for PHP 2024.1,

Can be installed with plugin:

PHP, 241.SNAPSHOT

Last modified: 29 April 2024