SlevomatCodingStandard.Variables.UnusedVariable.md

Pattern: Unused variable

Issue: -

Description

Looks for unused variables.

Rule 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;
}

Further Reading

• PHP_CodeSniffer - SlevomatCodingStandard.Variables.UnusedVariable