isFieldName() public static method

Valid form field name
public static isFieldName ( mixed $strName ) : boolean
$strName mixed The form field name
return boolean True if the form field name is valid
示例#1
0
 /**
  * Recursively validate an input variable
  *
  * @param mixed $varInput The user input
  *
  * @return mixed The original or modified user input
  */
 protected function validator($varInput)
 {
     if (is_array($varInput)) {
         foreach ($varInput as $k => $v) {
             $varInput[$k] = $this->validator($v);
         }
         return $varInput;
     }
     if (!$this->doNotTrim) {
         $varInput = trim($varInput);
     }
     if ($varInput == '') {
         if (!$this->mandatory) {
             return '';
         } else {
             if ($this->strLabel == '') {
                 $this->addError($GLOBALS['TL_LANG']['ERR']['mdtryNoLabel']);
             } else {
                 $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['mandatory'], $this->strLabel));
             }
         }
     }
     if ($this->minlength && $varInput != '' && Utf8::strlen($varInput) < $this->minlength) {
         $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['minlength'], $this->strLabel, $this->minlength));
     }
     if ($this->maxlength && $varInput != '' && Utf8::strlen($varInput) > $this->maxlength) {
         $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['maxlength'], $this->strLabel, $this->maxlength));
     }
     if ($this->minval && is_numeric($varInput) && $varInput < $this->minval) {
         $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['minval'], $this->strLabel, $this->minval));
     }
     if ($this->maxval && is_numeric($varInput) && $varInput > $this->maxval) {
         $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['maxval'], $this->strLabel, $this->maxval));
     }
     if ($this->rgxp != '') {
         switch ($this->rgxp) {
             // Special validation rule for style sheets
             case strncmp($this->rgxp, 'digit_', 6) === 0:
                 $textual = explode('_', $this->rgxp);
                 array_shift($textual);
                 if (in_array($varInput, $textual) || strncmp($varInput, '$', 1) === 0) {
                     break;
                 }
                 // DO NOT ADD A break; STATEMENT HERE
                 // Numeric characters (including full stop [.] and minus [-])
             // DO NOT ADD A break; STATEMENT HERE
             // Numeric characters (including full stop [.] and minus [-])
             case 'digit':
                 // Support decimal commas and convert them automatically (see #3488)
                 if (substr_count($varInput, ',') == 1 && strpos($varInput, '.') === false) {
                     $varInput = str_replace(',', '.', $varInput);
                 }
                 if (!\Validator::isNumeric($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['digit'], $this->strLabel));
                 }
                 break;
                 // Natural numbers (positive integers)
             // Natural numbers (positive integers)
             case 'natural':
                 if (!\Validator::isNatural($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['natural'], $this->strLabel));
                 }
                 break;
                 // Alphabetic characters (including full stop [.] minus [-] and space [ ])
             // Alphabetic characters (including full stop [.] minus [-] and space [ ])
             case 'alpha':
                 if (!\Validator::isAlphabetic($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['alpha'], $this->strLabel));
                 }
                 break;
                 // Alphanumeric characters (including full stop [.] minus [-], underscore [_] and space [ ])
             // Alphanumeric characters (including full stop [.] minus [-], underscore [_] and space [ ])
             case 'alnum':
                 if (!\Validator::isAlphanumeric($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['alnum'], $this->strLabel));
                 }
                 break;
                 // Do not allow any characters that are usually encoded by class Input ([#<>()\=])
             // Do not allow any characters that are usually encoded by class Input ([#<>()\=])
             case 'extnd':
                 if (!\Validator::isExtendedAlphanumeric(html_entity_decode($varInput))) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['extnd'], $this->strLabel));
                 }
                 break;
                 // Check whether the current value is a valid date format
             // Check whether the current value is a valid date format
             case 'date':
                 if (!\Validator::isDate($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['date'], \Date::getInputFormat(\Date::getNumericDateFormat())));
                 } else {
                     // Validate the date (see #5086)
                     try {
                         new \Date($varInput, \Date::getNumericDateFormat());
                     } catch (\OutOfBoundsException $e) {
                         $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['invalidDate'], $varInput));
                     }
                 }
                 break;
                 // Check whether the current value is a valid time format
             // Check whether the current value is a valid time format
             case 'time':
                 if (!\Validator::isTime($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['time'], \Date::getInputFormat(\Date::getNumericTimeFormat())));
                 }
                 break;
                 // Check whether the current value is a valid date and time format
             // Check whether the current value is a valid date and time format
             case 'datim':
                 if (!\Validator::isDatim($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['dateTime'], \Date::getInputFormat(\Date::getNumericDatimFormat())));
                 } else {
                     // Validate the date (see #5086)
                     try {
                         new \Date($varInput, \Date::getNumericDatimFormat());
                     } catch (\OutOfBoundsException $e) {
                         $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['invalidDate'], $varInput));
                     }
                 }
                 break;
                 // Check whether the current value is a valid friendly name e-mail address
             // Check whether the current value is a valid friendly name e-mail address
             case 'friendly':
                 list($strName, $varInput) = \StringUtil::splitFriendlyEmail($varInput);
                 // no break;
                 // Check whether the current value is a valid e-mail address
             // no break;
             // Check whether the current value is a valid e-mail address
             case 'email':
                 if (!\Validator::isEmail($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['email'], $this->strLabel));
                 }
                 if ($this->rgxp == 'friendly' && !empty($strName)) {
                     $varInput = $strName . ' [' . $varInput . ']';
                 }
                 break;
                 // Check whether the current value is list of valid e-mail addresses
             // Check whether the current value is list of valid e-mail addresses
             case 'emails':
                 $arrEmails = \StringUtil::trimsplit(',', $varInput);
                 foreach ($arrEmails as $strEmail) {
                     $strEmail = \Idna::encodeEmail($strEmail);
                     if (!\Validator::isEmail($strEmail)) {
                         $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['emails'], $this->strLabel));
                         break;
                     }
                 }
                 break;
                 // Check whether the current value is a valid URL
             // Check whether the current value is a valid URL
             case 'url':
                 if (!\Validator::isUrl($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['url'], $this->strLabel));
                 }
                 break;
                 // Check whether the current value is a valid alias
             // Check whether the current value is a valid alias
             case 'alias':
                 if (!\Validator::isAlias($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['alias'], $this->strLabel));
                 }
                 break;
                 // Check whether the current value is a valid folder URL alias
             // Check whether the current value is a valid folder URL alias
             case 'folderalias':
                 if (!\Validator::isFolderAlias($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['folderalias'], $this->strLabel));
                 }
                 break;
                 // Phone numbers (numeric characters, space [ ], plus [+], minus [-], parentheses [()] and slash [/])
             // Phone numbers (numeric characters, space [ ], plus [+], minus [-], parentheses [()] and slash [/])
             case 'phone':
                 if (!\Validator::isPhone(html_entity_decode($varInput))) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['phone'], $this->strLabel));
                 }
                 break;
                 // Check whether the current value is a percent value
             // Check whether the current value is a percent value
             case 'prcnt':
                 if (!\Validator::isPercent($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['prcnt'], $this->strLabel));
                 }
                 break;
                 // Check whether the current value is a locale
             // Check whether the current value is a locale
             case 'locale':
                 if (!\Validator::isLocale($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['locale'], $this->strLabel));
                 }
                 break;
                 // Check whether the current value is a language code
             // Check whether the current value is a language code
             case 'language':
                 if (!\Validator::isLanguage($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['language'], $this->strLabel));
                 }
                 break;
                 // Check whether the current value is a Google+ ID or vanity name
             // Check whether the current value is a Google+ ID or vanity name
             case 'google+':
                 if (!\Validator::isGooglePlusId($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['invalidGoogleId'], $this->strLabel));
                 }
                 break;
                 // Check whether the current value is a field name
             // Check whether the current value is a field name
             case 'fieldname':
                 if (!\Validator::isFieldName($varInput)) {
                     $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['invalidFieldName'], $this->strLabel));
                 }
                 break;
                 // HOOK: pass unknown tags to callback functions
             // HOOK: pass unknown tags to callback functions
             default:
                 if (isset($GLOBALS['TL_HOOKS']['addCustomRegexp']) && is_array($GLOBALS['TL_HOOKS']['addCustomRegexp'])) {
                     foreach ($GLOBALS['TL_HOOKS']['addCustomRegexp'] as $callback) {
                         $this->import($callback[0]);
                         $break = $this->{$callback[0]}->{$callback[1]}($this->rgxp, $varInput, $this);
                         // Stop the loop if a callback returned true
                         if ($break === true) {
                             break;
                         }
                     }
                 }
                 break;
         }
     }
     if ($this->isHexColor && $varInput != '' && strncmp($varInput, '$', 1) !== 0) {
         $varInput = preg_replace('/[^a-f0-9]+/i', '', $varInput);
     }
     if ($this->nospace && preg_match('/[\\t ]+/', $varInput)) {
         $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['noSpace'], $this->strLabel));
     }
     if ($this->spaceToUnderscore) {
         $varInput = preg_replace('/\\s+/', '_', trim($varInput));
     }
     if (is_bool($this->trailingSlash) && $varInput != '') {
         $varInput = preg_replace('/\\/+$/', '', $varInput) . ($this->trailingSlash ? '/' : '');
     }
     return $varInput;
 }