original_string: public function getCoreErrors($env = null)
      {
          $env = $env ?: $this->running_env;
          return isset($this->errors[$env]) ? $this->errors[$env] : 0;
      }
code: public function getCoreErrors($env = null)
      {
          $env = $env ?: $this->running_env;
          return isset($this->errors[$env]) ? $this->errors[$env] : 0;
      }
code_tokens: public function getCoreErrors ( $ env = null ) { $ env = $ env ? : $ this -> running_env ; return isset ( $ this -> errors [ $ env ] ) ? $ this -> errors [ $ env ] : 0 ; }
docstring: Returns the core errors which are being handled
  
  Uses the currently running environment when none is given.
  
  @param  string|null $env     Name of the environment
  
  @return int
docstring_tokens: Returns the core errors which are being handled