original_string: private function _execute($args = array())
      {
          if ($this->_err) {
              return false;
          };
          if ($this->_sth) {
              if ($this->_sth->execute($args)) {
                  return true;
              } else {
                  $this->_err = implode(' ', $this->_sth->errorInfo());
                  return false;
              };
          } else {
              $this->_err = "No statement to execute.";
          };
          return false;
      }
code: private function _execute($args = array())
      {
          if ($this->_err) {
              return false;
          };
          if ($this->_sth) {
              if ($this->_sth->execute($args)) {
                  return true;
              } else {
                  $this->_err = implode(' ', $this->_sth->errorInfo());
                  return false;
              };
          } else {
              $this->_err = "No statement to execute.";
          };
          return false;
      }
code_tokens: private function _execute ( $ args = array ( ) ) { if ( $ this -> _err ) { return false ; } ; if ( $ this -> _sth ) { if ( $ this -> _sth -> execute ( $ args ) ) { return true ; } else { $ this -> _err = implode ( ' ' , $ this -> _sth -> errorInfo ( ) ) ; return false ; } ; } else { $ this -> _err = "No statement to execute." ; } ; return false ; }
docstring: Execute stored prepared statement
  
  @param array $args (Optional) List of values corresponding to placeholders
  
  @return bool Whether it succeeded
docstring_tokens: Execute stored prepared statement