📄 function.px-timestamp2string.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>Converts the timestamp into a string.</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.px-set-value.html">px_set_value</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.px-update-record.html">px_update_record</a></div> <div class="up"><a href="ref.paradox.html">Paradox Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.px-timestamp2string" class="refentry"> <div class="refnamediv"> <h1 class="refname">px_timestamp2string</h1> <p class="verinfo">(PECL paradox:1.4.0-1.4.1)</p><p class="refpurpose"><span class="refname">px_timestamp2string</span> — <span class="dc-title"> Converts the timestamp into a string. </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>px_timestamp2string</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$pxdoc</tt></span> , <span class="methodparam"><span class="type">float</span> <tt class="parameter">$value</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$format</tt></span> )</div> <p class="para rdfs-comment"> Turns a timestamp as it stored in the paradox file into human readable format. Paradox timestamps are the number of milliseconds since 1.1.0000. This function is just for convenience. It can be easily replaced by some math and the calendar functions as demonstrated in the following example. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">pxdoc</tt></i></span> <dd> <p class="para"> Resource identifier of the paradox database. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">value</tt></i></span> <dd> <p class="para"> Value as stored in paradox database field of type PX_FIELD_TIME, or PX_FIELD_TIMESTAMP. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">format</tt></i></span> <dd> <p class="para"> String format similar to the format used by <a href="function.date.html" class="function">date()</a>. The placeholders support by this function is a subset of those supported by <a href="function.date.html" class="function">date()</a> (Y, y, m, n, d, j, H, h, G, g, i, s, A, a, L). </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Turn a paradox timestamp into a human readable form</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$px </span><span style="color: #007700">= </span><span style="color: #0000BB">px_new</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">/* make up a date as it could be stored in */<br />/* a date field of a paradox db. */<br />/* 700000 days since 1.1.0000. */<br /></span><span style="color: #0000BB">$days </span><span style="color: #007700">= </span><span style="color: #0000BB">700000</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">/* Use the calendar functions to print a */<br />/* human readable format of the date */<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">jdtogregorian</span><span style="color: #007700">(</span><span style="color: #0000BB">$days</span><span style="color: #007700">+</span><span style="color: #0000BB">1721425</span><span style="color: #007700">).</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">/* Turn it into a timestamp as it stored in a paradox database */<br />/* Timestamps are stored in milli seconds since 1.1.0000 */<br /></span><span style="color: #0000BB">$stamp </span><span style="color: #007700">= </span><span style="color: #0000BB">$days </span><span style="color: #007700">* </span><span style="color: #0000BB">86400.0 </span><span style="color: #007700">* </span><span style="color: #0000BB">1000.0</span><span style="color: #007700">;<br /></span><span style="color: #FF8000">/* Add one hour */<br /></span><span style="color: #0000BB">$stamp </span><span style="color: #007700">+= </span><span style="color: #0000BB">3600000.0</span><span style="color: #007700">;<br /></span><span style="color: #FF8000">/* The following will output '7/15/1917 01:00:00'. */<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">px_timestamp2string</span><span style="color: #007700">(</span><span style="color: #0000BB">$px</span><span style="color: #007700">, </span><span style="color: #0000BB">$stamp</span><span style="color: #007700">, </span><span style="color: #DD0000">"n/d/Y H:i:s"</span><span style="color: #007700">).</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">px_delete</span><span style="color: #007700">(</span><span style="color: #0000BB">$px</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>7/15/19177/15/1917 01:00:00</pre></div> </pre></div> </div> </p> <p class="para"> The Julian day count as passed to <a href="function.jdtogregorian.html" class="function">jdtogregorian()</a> has a different base of 1.1.4714 b.c. and must therefore be calculated by adding 1721425 to the day count used in the paradox file. Turning the day count into a timestamp is easily done by multiplying with 86400000.0 to obtain milli seconds. </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.px-date2string.html" class="function" rel="rdfs-seeAlso">px_date2string()</a></li> <li class="member"><a href="function.jdtogregorian.html" class="function" rel="rdfs-seeAlso">jdtogregorian()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.px-set-value.html">px_set_value</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.px-update-record.html">px_update_record</a></div> <div class="up"><a href="ref.paradox.html">Paradox 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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