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