google_forms/vendor/slevomat/coding-standard/doc/variables.md

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 (defaults to false): ignore unused $value in foreach when only $key is used

foreach ($values as $key => $value) {
	echo $key;
}

SlevomatCodingStandard.Variables.UselessVariable 🔧

Looks for useless variables.