Rule no_useless_sprintf There must be no sprintf calls with only the first argument. Warning Using this rule is risky Risky when if the sprintf function is overridden. Examples Example #1 --- Original +++ New <?php -$foo = sprintf('bar'); +$foo = 'bar'; Rule sets The rule is part of the following rule sets: @PhpCsFixer:risky @Symfony:risky Source class PhpCsFixer\Fixer\FunctionNotation\NoUselessSprintfFixer