protected function prefixKeys($prefix, array $data)
	{
		$result = [];
		
		foreach($data as $k => $v)
		{
			$result[$prefix . $k] = $v;
		}
		
		return $result;
	}
protected function prefixKeys($prefix, array $data)
	{
		$result = [];
		
		foreach($data as $k => $v)
		{
			$result[$prefix . $k] = $v;
		}
		
		return $result;
	}
protected function prefixKeys ( $ prefix , array $ data ) { $ result = [ ] ; foreach ( $ data as $ k => $ v ) { $ result [ $ prefix . $ k ] = $ v ; } return $ result ; }
Apply a string prefix to all ay and return the resulting array.

@param string $prefix
@param array<string, mixed> $data
@return array<string, mixed>
Apply a string prefix to all ay and return the resulting array .