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## Variables #### SlevomatCodingStandard.Variables.DisallowSuperGlobalVariable Disallows use of super global variables. #### SlevomatCodingStandard.Variables.DisallowVariableVariable Disallows use of variable variables. #### SlevomatCodingStandard.Variables.DuplicateAssignmentToVariable Looks for duplicate assignments to a variable. #### SlevomatCodingStandard.Variables.UnusedVariable Looks for unused variables. Sniff provides the following settings: * `ignoreUnusedValuesWhenOnlyKeysAreUsedInForeach` (default: `false`): ignore unused `$value` in foreach when only `$key` is used ```php foreach ($values as $key => $value) { echo $key; } ``` #### SlevomatCodingStandard.Variables.UselessVariable 🔧 Looks for useless variables.
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