final protected function _defaults($arr)
	{
		$defaults = array(
			'error_handler' => '', 
			'use_builtin_error_handler' => false, 
			'time_limit' => 0, 
			'log_to_file' => null, 
			'log_to_syslog' => null, 
			'masking' => true, 
			);
		
		$arr = array_merge($defaults, $arr);
		
		return $arr;
	}
final protected function _defaults($arr)
	{
		$defaults = array(
			'error_handler' => '', 
			'use_builtin_error_handler' => false, 
			'time_limit' => 0, 
			'log_to_file' => null, 
			'log_to_syslog' => null, 
			'masking' => true, 
			);
		
		$arr = array_merge($defaults, $arr);
		
		return $arr;
	}
final protected function _defaults ( $ arr ) { $ defaults = array ( 'error_handler' => '' , 'use_builtin_error_handler' => false , 'time_limit' => 0 , 'log_to_file' => null , 'log_to_syslog' => null , 'masking' => true , ) ; $ arr = array_merge ( $ defaults , $ arr ) ; return $ arr ; }
Merge configurations with the defaults

@param array $arr
@return array
Merge configurations with the defaults