Merge pull request #2642 from rodrigoprimo/update-validated-sanitized-error-message

Security/ValidatedSanitizedInput: improve `InputNotValidated` error message

Author: dingo-d

WordPress/Sniffs/Security/ValidatedSanitizedInputSniff.php

@@ -175,7 +175,7 @@ static function ( $var_name ) {
 
 		if ( false === $validated ) {
 			$this->phpcsFile->addError(
-				'Detected usage of a possibly undefined superglobal array index: %s. Use isset() or empty() to check the index exists before using it',
+				'Detected usage of a possibly undefined superglobal array index: %s. Check that the array index exists before using it.',
 				$stackPtr,
 				'InputNotValidated',
 				$error_data