public function get_2x_suffix() { if (!$this->get_size()) { return false; } $width = intval($this->size['width']) / 2; $height = intval($this->size['height']) / 2; return "{$width}x{$height}" . wphidpi_suffix(); }
function wphidpi_2x_file_name($path) { $path_bits = explode('.', $path); $path_2x = ''; $length = count($path_bits); foreach ($path_bits as $key => $bit) { if ($length - 1 == $key) { $path_2x .= wphidpi_suffix() . '.' . $bit; break; } else { if ($length - 2 == $key) { $path_2x .= $bit; } else { $path_2x .= $bit . '.'; } } } return $path_2x; }