php - Unused variable warning (editor) array_walk -


following code generates editor warning not using $key in code. idea how avoid warning? there similar check done php parses too?

array_walk($services, function(&$value, $key) {     $value = str_replace('xxx', '', $value); });

just remove it.

array_walk($services, function(&$value) {     $value = str_replace('xxx', '', $value); });

but note it's editor warning, it's not php warning.


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