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Code Inspection: 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.

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

Suppress an inspection in the editor

  1. Position the caret at the highlighted line and press Alt+Enter or click the Intention action icon.

  2. Click the arrow next to the inspection you want to suppress and select the necessary suppress action.

Last modified: 01 August 2022