original_string: protected function _compress() {
          //$before = '(?<=[:(, ])';
          //$after = '(?=[ ,);}])';
          //$units = '(em|ex|%|px|cm|mm|in|pt|pc|ch|rem|vh|vw|vmin|vmax|vm)';
  
          foreach ($this->_data as $value) {
              $this->_concatContent .= $value;
          }
  
          if ($this->_type == 'css') {
              $this->_concatContent = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $this->_concatContent);
              $this->_concatContent = str_replace(': ', ':', $this->_concatContent);
              $this->_concatContent = str_replace(["\r\n", "\r", "\n", "\t", '  ', '    ', '    '], '', $this->_concatContent);
          }
      }
code: protected function _compress() {
          //$before = '(?<=[:(, ])';
          //$after = '(?=[ ,);}])';
          //$units = '(em|ex|%|px|cm|mm|in|pt|pc|ch|rem|vh|vw|vmin|vmax|vm)';
  
          foreach ($this->_data as $value) {
              $this->_concatContent .= $value;
          }
  
          if ($this->_type == 'css') {
              $this->_concatContent = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $this->_concatContent);
              $this->_concatContent = str_replace(': ', ':', $this->_concatContent);
              $this->_concatContent = str_replace(["\r\n", "\r", "\n", "\t", '  ', '    ', '    '], '', $this->_concatContent);
          }
      }
code_tokens: protected function _compress ( ) { //$before = '(?<=[:(, ])'; //$after = '(?=[ ,);}])'; //$units = '(em|ex|%|px|cm|mm|in|pt|pc|ch|rem|vh|vw|vmin|vmax|vm)'; foreach ( $ this -> _data as $ value ) { $ this -> _concatContent .= $ value ; } if ( $ this -> _type == 'css' ) { $ this -> _concatContent = preg_replace ( '!/\*[^*]*\*+([^/][^*]*\*+)*/!' , '' , $ this -> _concatContent ) ; $ this -> _concatContent = str_replace ( ': ' , ':' , $ this -> _concatContent ) ; $ this -> _concatContent = str_replace ( [ "\r\n" , "\r" , "\n" , "\t" , '  ' , '    ' , '    ' ] , '' , $ this -> _concatContent ) ; } }
docstring: concatenate parser content
  @access public
  @return void
  @since 3.0
  @package Gcs\Framework\Core\Asset
docstring_tokens: concatenate parser content