original_string: public static function getValidClassPrefixes() {
  		$validPrefixes = array('tx_', 'Tx_', 'user_', 'User_');
  		if (
  			isset($GLOBALS['TYPO3_CONF_VARS']['SYS']['additionalAllowedClassPrefixes'])
  			&& is_string($GLOBALS['TYPO3_CONF_VARS']['SYS']['additionalAllowedClassPrefixes'])
  		) {
  			$validPrefixes = array_merge(
  				$validPrefixes,
  				t3lib_div::trimExplode(',', $GLOBALS['TYPO3_CONF_VARS']['SYS']['additionalAllowedClassPrefixes'])
  			);
  		}
  		return $validPrefixes;
  	}
code: public static function getValidClassPrefixes() {
  		$validPrefixes = array('tx_', 'Tx_', 'user_', 'User_');
  		if (
  			isset($GLOBALS['TYPO3_CONF_VARS']['SYS']['additionalAllowedClassPrefixes'])
  			&& is_string($GLOBALS['TYPO3_CONF_VARS']['SYS']['additionalAllowedClassPrefixes'])
  		) {
  			$validPrefixes = array_merge(
  				$validPrefixes,
  				t3lib_div::trimExplode(',', $GLOBALS['TYPO3_CONF_VARS']['SYS']['additionalAllowedClassPrefixes'])
  			);
  		}
  		return $validPrefixes;
  	}
code_tokens: public static function getValidClassPrefixes ( ) { $ validPrefixes = array ( 'tx_' , 'Tx_' , 'user_' , 'User_' ) ; if ( isset ( $ GLOBALS [ 'TYPO3_CONF_VARS' ] [ 'SYS' ] [ 'additionalAllowedClassPrefixes' ] ) && is_string ( $ GLOBALS [ 'TYPO3_CONF_VARS' ] [ 'SYS' ] [ 'additionalAllowedClassPrefixes' ] ) ) { $ validPrefixes = array_merge ( $ validPrefixes , t3lib_div :: trimExplode ( ',' , $ GLOBALS [ 'TYPO3_CONF_VARS' ] [ 'SYS' ] [ 'additionalAllowedClassPrefixes' ] ) ) ; } return $ validPrefixes ; }
docstring: Returns all valid class prefixes.
  
  @return array Array of valid prefixed of class names
docstring_tokens: Returns all valid class prefixes .