<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Subtracts an amount of days, months, years, hours, minutes and seconds</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="datetimeimmutable.settimezone.html">DateTimeImmutable::setTimezone</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.datetimeinterface.html">DateTimeInterface</a></div> <div class="up"><a href="class.datetimeimmutable.html">DateTimeImmutable</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="datetimeimmutable.sub" class="refentry"> <div class="refnamediv"> <h1 class="refname">DateTimeImmutable::sub</h1> <p class="verinfo">(PHP 5 >= 5.5.0)</p><p class="refpurpose"><span class="refname">DateTimeImmutable::sub</span> — <span class="dc-title"> Subtracts an amount of days, months, years, hours, minutes and seconds </span></p> </div> <div class="refsect1 description" id="refsect1-datetimeimmutable.sub-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="modifier">public</span> <span class="type"><a href="class.datetimeimmutable.html" class="type DateTimeImmutable">DateTimeImmutable</a></span> <span class="methodname"><strong>DateTimeImmutable::sub</strong></span> ( <span class="methodparam"><span class="type"><a href="class.dateinterval.html" class="type DateInterval">DateInterval</a></span> <code class="parameter">$interval</code></span> )</div> <p class="para rdfs-comment"> Like <span class="methodname"><a href="datetime.sub.html" class="methodname">DateTime::sub()</a></span> but works with <a href="class.datetimeimmutable.html" class="classname">DateTimeImmutable</a>. </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="datetimeimmutable.settimezone.html">DateTimeImmutable::setTimezone</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.datetimeinterface.html">DateTimeInterface</a></div> <div class="up"><a href="class.datetimeimmutable.html">DateTimeImmutable</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>