PhpSandbox\PHPSandbox::normalizeKeyword PHP Method

normalizeKeyword() protected method

Normalize keyword name. This is an internal PHPSandbox function.
protected normalizeKeyword ( string | array $name ) : string | array
$name string | array String of the keyword $name, or array of strings to normalize
return string | array Returns the normalized keyword string or an array of normalized strings
    protected function normalizeKeyword($name)
    {
        if (is_array($name)) {
            foreach ($name as &$value) {
                $value = $this->normalizeKeyword($value);
            }
            return $name;
        }
        $name = strtolower($name);
        switch ($name) {
            case 'die':
                return 'exit';
            case 'include_once':
            case 'require':
            case 'require_once':
                return 'include';
            case 'label':
                //not a real keyword, only for defining purposes, can't use labels without goto
                return 'goto';
            case 'print':
                //for our purposes print is treated as functionally equivalent to echo
                return 'echo';
            case 'else':
                //no point in using ifs without else
            //no point in using ifs without else
            case 'elseif':
                //no point in using ifs without elseif
                return 'if';
            case 'case':
                return 'switch';
            case 'catch':
                //no point in using catch without try
            //no point in using catch without try
            case 'finally':
                //no point in using try, catch or finally without try
                return 'try';
            case 'do':
                //no point in using do without while
                return 'while';
            case 'foreach':
                //no point in using foreach without for
                return 'for';
            case '__halt_compiler':
                return 'halt';
            case 'alias':
                //for consistency with alias and use descriptions
                return 'use';
        }
        return $name;
    }
PHPSandbox