class LStringTranslatableSniff

class LStringTranslatableSniff extends FunctionCall {
    
    /**
     * Returns an array of function names this test wants to listen for.
     *
     * @return array<string>
     */
    public function registerFunctionNames() {
        return [
            'l',
        ];
    }
    
    //end registerFunctionNames()
    
    /**
     * Processes this function call.
     *
     * @param \PHP_CodeSniffer\Files\File $phpcsFile    The file being scanned.
     * @param int                         $stackPtr     The position of the function call in
     *                                                  the stack.
     * @param int                         $openBracket  The position of the opening
     *                                                  parenthesis in the stack.
     * @param int                         $closeBracket The position of the closing
     *                                                  parenthesis in the stack.
     *
     * @return void
     */
    public function processFunctionCall(File $phpcsFile, $stackPtr, $openBracket, $closeBracket) {
        $tokens = $phpcsFile->getTokens();
        // Get the first argument passed to l().
        $argument = $this->getArgument(1);
        if ($tokens[$argument['start']]['code'] === T_CONSTANT_ENCAPSED_STRING && $tokens[$argument['start']]['content'][1] !== '<') {
            $error = 'The $text argument to l() should be enclosed within t() so that it is translatable';
            $phpcsFile->addError($error, $stackPtr, 'LArg');
        }
    }
    
    //end processFunctionCall()

}