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 |
/**
* 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;
}