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  138. <h1>Class <code>luci.http.protocol.date</code></h1>
  139. <p></p>
  140. <h2>Functions</h2>
  141. <table class="function_list">
  142. <tr>
  143. <td class="name" nowrap><a href="#compare">compare</a>&nbsp;(d1, d2)</td>
  144. <td class="summary">
  145. Compare two dates which can either be unix epoch times or HTTP date strings.</td>
  146. </tr>
  147. <tr>
  148. <td class="name" nowrap><a href="#to_http">to_http</a>&nbsp;(time)</td>
  149. <td class="summary">
  150. Convert the given unix epoch time to valid HTTP date string.</td>
  151. </tr>
  152. <tr>
  153. <td class="name" nowrap><a href="#to_unix">to_unix</a>&nbsp;(data)</td>
  154. <td class="summary">
  155. Parse given HTTP date string and convert it to unix epoch time.</td>
  156. </tr>
  157. <tr>
  158. <td class="name" nowrap><a href="#tz_offset">tz_offset</a>&nbsp;(tz)</td>
  159. <td class="summary">
  160. Return the time offset in seconds between the UTC and given time zone.</td>
  161. </tr>
  162. </table>
  163. <br/>
  164. <br/>
  165. <h2><a name="functions"></a>Functions</h2>
  166. <dl class="function">
  167. <dt><a name="compare"></a><strong>compare</strong>&nbsp;(d1, d2)</dt>
  168. <dd>
  169. Compare two dates which can either be unix epoch times or HTTP date strings.
  170. <h3>Parameters</h3>
  171. <ul>
  172. <li>
  173. d1: The first date or epoch time to compare
  174. </li>
  175. <li>
  176. d2: The first date or epoch time to compare
  177. </li>
  178. </ul>
  179. <h3>Return values:</h3>
  180. <ol>
  181. <li>-1 - if d1 is lower then d2
  182. <li>0 - if both dates are equal
  183. <li>1 - if d1 is higher then d2
  184. </ol>
  185. </dd>
  186. <dt><a name="to_http"></a><strong>to_http</strong>&nbsp;(time)</dt>
  187. <dd>
  188. Convert the given unix epoch time to valid HTTP date string.
  189. <h3>Parameters</h3>
  190. <ul>
  191. <li>
  192. time: Unix epoch time
  193. </li>
  194. </ul>
  195. <h3>Return value:</h3>
  196. String containing the formatted date
  197. </dd>
  198. <dt><a name="to_unix"></a><strong>to_unix</strong>&nbsp;(data)</dt>
  199. <dd>
  200. Parse given HTTP date string and convert it to unix epoch time.
  201. <h3>Parameters</h3>
  202. <ul>
  203. <li>
  204. data: String containing the date
  205. </li>
  206. </ul>
  207. <h3>Return value:</h3>
  208. Unix epoch time
  209. </dd>
  210. <dt><a name="tz_offset"></a><strong>tz_offset</strong>&nbsp;(tz)</dt>
  211. <dd>
  212. Return the time offset in seconds between the UTC and given time zone.
  213. <h3>Parameters</h3>
  214. <ul>
  215. <li>
  216. tz: Symbolic or numeric timezone specifier
  217. </li>
  218. </ul>
  219. <h3>Return value:</h3>
  220. Time offset to UTC in seconds
  221. </dd>
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