protected function _getClassForElement($elementClass = null) {
		$elementClass = mb_strtolower((string)$elementClass);
		$cachePath = 'ClassForElem.' . md5($elementClass);
		$cached = Cache::read($cachePath, CAKE_THEME_CACHE_KEY_HELPERS);
		if (!empty($cached)) {
			return $cached;
		}

		$result = '';
		if (empty($elementClass)) {
			return $result;
		}

		if (mb_strpos($elementClass, 'fa-') !== false) {
			$elemList = [];
			$elemPrefixes = $this->_getListIconPrefixes();
			$elemPrefix = (string)$this->_config['defaultIconPrefix'];
			$elemSizes = $this->_getListIconSizes();
			$elemSize = (string)$this->_config['defaultIconSize'];
		} elseif (mb_strpos($elementClass, 'btn-') !== false) {
			$elemList = $this->_getListButtons();
			$elemPrefixes = $this->_getListButtonPrefixes();
			$elemPrefix = (string)$this->_config['defaultBtnPrefix'];
			$elemSizes = $this->_getListButtonSizes();
			$elemSize = (string)$this->_config['defaultBtnSize'];
		} else {
			return $result;
		}
		$aElem = explode(' ', $elementClass, 5);
		$aClass = [];
		foreach ($aElem as $elemItem) {
			if (empty($elemItem)) {
				continue;
			}

			if (in_array($elemItem, $elemSizes)) {
				$elemSize = $elemItem;
			} elseif (in_array($elemItem, $elemPrefixes)) {
				$elemPrefix = $elemItem;
			} elseif (empty($elemList) || (!empty($elemList) && in_array($elemItem, $elemList))) {
				$aClass[] = $elemItem;
			}
		}
		if (!empty($elemList) && empty($aClass)) {
			return $result;
		}

		if (!empty($elemPrefix)) {
			array_unshift($aClass, $elemPrefix);
		}
		if (!empty($elemSize)) {
			array_push($aClass, $elemSize);
		}
		$aClass = array_unique($aClass);
		$result = implode(' ', $aClass);
		Cache::write($cachePath, $result, CAKE_THEME_CACHE_KEY_HELPERS);

		return $result;
	}
protected function _getClassForElement($elementClass = null) {
		$elementClass = mb_strtolower((string)$elementClass);
		$cachePath = 'ClassForElem.' . md5($elementClass);
		$cached = Cache::read($cachePath, CAKE_THEME_CACHE_KEY_HELPERS);
		if (!empty($cached)) {
			return $cached;
		}

		$result = '';
		if (empty($elementClass)) {
			return $result;
		}

		if (mb_strpos($elementClass, 'fa-') !== false) {
			$elemList = [];
			$elemPrefixes = $this->_getListIconPrefixes();
			$elemPrefix = (string)$this->_config['defaultIconPrefix'];
			$elemSizes = $this->_getListIconSizes();
			$elemSize = (string)$this->_config['defaultIconSize'];
		} elseif (mb_strpos($elementClass, 'btn-') !== false) {
			$elemList = $this->_getListButtons();
			$elemPrefixes = $this->_getListButtonPrefixes();
			$elemPrefix = (string)$this->_config['defaultBtnPrefix'];
			$elemSizes = $this->_getListButtonSizes();
			$elemSize = (string)$this->_config['defaultBtnSize'];
		} else {
			return $result;
		}
		$aElem = explode(' ', $elementClass, 5);
		$aClass = [];
		foreach ($aElem as $elemItem) {
			if (empty($elemItem)) {
				continue;
			}

			if (in_array($elemItem, $elemSizes)) {
				$elemSize = $elemItem;
			} elseif (in_array($elemItem, $elemPrefixes)) {
				$elemPrefix = $elemItem;
			} elseif (empty($elemList) || (!empty($elemList) && in_array($elemItem, $elemList))) {
				$aClass[] = $elemItem;
			}
		}
		if (!empty($elemList) && empty($aClass)) {
			return $result;
		}

		if (!empty($elemPrefix)) {
			array_unshift($aClass, $elemPrefix);
		}
		if (!empty($elemSize)) {
			array_push($aClass, $elemSize);
		}
		$aClass = array_unique($aClass);
		$result = implode(' ', $aClass);
		Cache::write($cachePath, $result, CAKE_THEME_CACHE_KEY_HELPERS);

		return $result;
	}
protected function _getClassForElement ( $ elementClass = null ) { $ elementClass = mb_strtolower ( ( string ) $ elementClass ) ; $ cachePath = 'ClassForElem.' . md5 ( $ elementClass ) ; $ cached = Cache :: read ( $ cachePath , CAKE_THEME_CACHE_KEY_HELPERS ) ; if ( ! empty ( $ cached ) ) { return $ cached ; } $ result = '' ; if ( empty ( $ elementClass ) ) { return $ result ; } if ( mb_strpos ( $ elementClass , 'fa-' ) !== false ) { $ elemList = [ ] ; $ elemPrefixes = $ this -> _getListIconPrefixes ( ) ; $ elemPrefix = ( string ) $ this -> _config [ 'defaultIconPrefix' ] ; $ elemSizes = $ this -> _getListIconSizes ( ) ; $ elemSize = ( string ) $ this -> _config [ 'defaultIconSize' ] ; } elseif ( mb_strpos ( $ elementClass , 'btn-' ) !== false ) { $ elemList = $ this -> _getListButtons ( ) ; $ elemPrefixes = $ this -> _getListButtonPrefixes ( ) ; $ elemPrefix = ( string ) $ this -> _config [ 'defaultBtnPrefix' ] ; $ elemSizes = $ this -> _getListButtonSizes ( ) ; $ elemSize = ( string ) $ this -> _config [ 'defaultBtnSize' ] ; } else { return $ result ; } $ aElem = explode ( ' ' , $ elementClass , 5 ) ; $ aClass = [ ] ; foreach ( $ aElem as $ elemItem ) { if ( empty ( $ elemItem ) ) { continue ; } if ( in_array ( $ elemItem , $ elemSizes ) ) { $ elemSize = $ elemItem ; } elseif ( in_array ( $ elemItem , $ elemPrefixes ) ) { $ elemPrefix = $ elemItem ; } elseif ( empty ( $ elemList ) || ( ! empty ( $ elemList ) && in_array ( $ elemItem , $ elemList ) ) ) { $ aClass [ ] = $ elemItem ; } } if ( ! empty ( $ elemList ) && empty ( $ aClass ) ) { return $ result ; } if ( ! empty ( $ elemPrefix ) ) { array_unshift ( $ aClass , $ elemPrefix ) ; } if ( ! empty ( $ elemSize ) ) { array_push ( $ aClass , $ elemSize ) ; } $ aClass = array_unique ( $ aClass ) ; $ result = implode ( ' ' , $ aClass ) ; Cache :: write ( $ cachePath , $ result , CAKE_THEME_CACHE_KEY_HELPERS ) ; return $ result ; }
Return class name for icon or button. Exclude base class `fa` or `btn`,
and add class of size, if need.

@param string $elementClass Class of target element.
@return string Class name for icon or button.
Return class name for icon or button . Exclude base class fa or btn and add class of size if need .