📄 function.date-sunrise.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Returns time of sunrise for a given day and location</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.date-sun-info.html">date_sun_info</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.date-sunset.html">date_sunset</a></div> <div class="up"><a href="ref.datetime.html">Date/Time Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.date-sunrise" class="refentry"> <div class="refnamediv"> <h1 class="refname">date_sunrise</h1> <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">date_sunrise</span> — <span class="dc-title">Returns time of sunrise for a given day and location</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><b><b>date_sunrise</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$timestamp</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$format</tt></span> [, <span class="methodparam"><span class="type">float</span> <tt class="parameter">$latitude</tt></span> [, <span class="methodparam"><span class="type">float</span> <tt class="parameter">$longitude</tt></span> [, <span class="methodparam"><span class="type">float</span> <tt class="parameter">$zenith</tt></span> [, <span class="methodparam"><span class="type">float</span> <tt class="parameter">$gmt_offset</tt></span> ]]]]] )</div> <p class="para rdfs-comment"> <b>date_sunrise()</b> returns the sunrise time for a given day (specified as a <i><tt class="parameter">timestamp</tt></i>) and location. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">timestamp</tt></i></span> <dd> <p class="para"> The <i><tt class="parameter">timestamp</tt></i> of the day from which the sunrise time is taken. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">format</tt></i></span> <dd> <p class="para"> <table border="5"> <caption><b><i><tt class="parameter">format</tt></i> constants</b></caption> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">constant</th> <th colspan="1">description</th> <th colspan="1">example</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">SUNFUNCS_RET_STRING</td> <td colspan="1" rowspan="1" align="left">returns the result as <a href="language.types.string.html" class="type string">string</a></td> <td colspan="1" rowspan="1" align="left">16:46</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">SUNFUNCS_RET_DOUBLE</td> <td colspan="1" rowspan="1" align="left">returns the result as <a href="language.types.float.html" class="type float">float</a></td> <td colspan="1" rowspan="1" align="left">16.78243132</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">SUNFUNCS_RET_TIMESTAMP</td> <td colspan="1" rowspan="1" align="left">returns the result as <a href="language.types.integer.html" class="type integer">integer</a> (timestamp)</td> <td colspan="1" rowspan="1" align="left">1095034606</td> </tr> </tbody> </colgroup> </table> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">latitude</tt></i></span> <dd> <p class="para"> Defaults to North, pass in a negative value for South. See also: <i>date.default_latitude</i> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">longitude</tt></i></span> <dd> <p class="para"> Defaults to East, pass in a negative value for West. See also: <i>date.default_longitude</i> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">zenith</tt></i></span> <dd> <p class="para"> Default: <i>date.sunrise_zenith</i> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">gmtoffset</tt></i></span> <dd> <p class="para"> Specified in hours. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the sunrise time in a specified <i><tt class="parameter">format</tt></i> on success, or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para">Every call to a date/time function will generate a <b><tt>E_NOTICE</tt></b> if the time zone is not valid, and/or a <b><tt>E_STRICT</tt></b> messageif using the system settings or the <var class="varname">TZ</var> environmentvariable. See also <a href="function.date-default-timezone-set.html" class="function">date_default_timezone_set()</a></p> </div> <div class="refsect1 changelog"> <h3 class="title">ChangeLog</h3> <p class="para"> <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Version</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"><td colspan="1" rowspan="1" align="left">5.1.0</td><td colspan="1" rowspan="1" align="left"><p class="para">Now issues the <b><tt>E_STRICT</tt></b> and <b><tt>E_NOTICE</tt></b> time zone errors.</p></td></tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>date_sunrise()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/* calculate the sunrise time for Lisbon, Portugal<br />Latitude: 38.4 North<br />Longitude: 9 West<br />Zenith ~= 90<br />offset: +1 GMT<br />*/<br /><br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">date</span><span style="color: #007700">(</span><span style="color: #DD0000">"D M d Y"</span><span style="color: #007700">). </span><span style="color: #DD0000">', sunrise time : ' </span><span style="color: #007700">.</span><span style="color: #0000BB">date_sunrise</span><span style="color: #007700">(</span><span style="color: #0000BB">time</span><span style="color: #007700">(), </span><span style="color: #0000BB">SUNFUNCS_RET_STRING</span><span style="color: #007700">, </span><span style="color: #0000BB">38.4</span><span style="color: #007700">, -</span><span style="color: #0000BB">9</span><span style="color: #007700">, </span><span style="color: #0000BB">90</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>Mon Dec 20 2004, sunrise time : 08:54</pre></div> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.date-sunset.html" class="function" rel="rdfs-seeAlso">date_sunset()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.date-sun-info.html">date_sun_info</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.date-sunset.html">date_sunset</a></div> <div class="up"><a href="ref.datetime.html">Date/Time Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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