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199 <h1>Class <code>luci.http.protocol.date</code></h1>
210 <table class="function_list">
213 <td class="name" nowrap><a href="#compare">compare</a> (d1, d2)</td>
216 Compare two dates which can either be unix epoch times or HTTP date strings.</td>
220 <td class="name" nowrap><a href="#to_http">to_http</a> (time)</td>
223 Convert the given unix epoch time to valid HTTP date string.</td>
227 <td class="name" nowrap><a href="#to_unix">to_unix</a> (data)</td>
230 Parse given HTTP date string and convert it to unix epoch time.</td>
234 <td class="name" nowrap><a href="#tz_offset">tz_offset</a> (tz)</td>
237 Return the time offset in seconds between the UTC and given time zone.</td>
251 <h2><a name="functions"></a>Functions</h2>
252 <dl class="function">
256 <dt><a name="compare"></a><strong>compare</strong> (d1, d2)</dt>
260 Compare two dates which can either be unix epoch times or HTTP date strings.
268 d1: The first date or epoch time to compare
272 d2: The first date or epoch time to compare
282 <h3>Return values:</h3>
285 <li>-1 - if d1 is lower then d2
287 <li>0 - if both dates are equal
289 <li>1 - if d1 is higher then d2
300 <dt><a name="to_http"></a><strong>to_http</strong> (time)</dt>
304 Convert the given unix epoch time to valid HTTP date string.
312 time: Unix epoch time
322 <h3>Return value:</h3>
323 String containing the formatted date
332 <dt><a name="to_unix"></a><strong>to_unix</strong> (data)</dt>
336 Parse given HTTP date string and convert it to unix epoch time.
344 data: String containing the date
354 <h3>Return value:</h3>
364 <dt><a name="tz_offset"></a><strong>tz_offset</strong> (tz)</dt>
368 Return the time offset in seconds between the UTC and given time zone.
376 tz: Symbolic or numeric timezone specifier
386 <h3>Return value:</h3>
387 Time offset to UTC in seconds
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