src/Fixer/FunctionNotation/NoSpacesAfterFunctionNameFixer.php
private function fixFunctionCall(Tokens $tokens, $index)
    {
        // remove space before opening brace
        if ($tokens[$index - 1]->isWhitespace()) {
            $tokens->clearAt($index - 1);
        }
    }
private function fixFunctionCall(Tokens $tokens, $index)
    {
        // remove space before opening brace
        if ($tokens[$index - 1]->isWhitespace()) {
            $tokens->clearAt($index - 1);
        }
    }
Fixes whitespaces around braces of a function(y) call.

@param Tokens $tokens tokens to handle
@param int    $index  index of token