<!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>Make the script sleep until the specified time</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.time-nanosleep.html">time_nanosleep</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.uniqid.html">uniqid</a></div> <div class="up"><a href="ref.misc.html">Misc. Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.time-sleep-until" class="refentry"> <div class="refnamediv"> <h1 class="refname">time_sleep_until</h1> <p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">time_sleep_until</span> — <span class="dc-title"> Make the script sleep until the specified time </span></p> </div> <div class="refsect1 description" id="refsect1-function.time-sleep-until-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><strong>time_sleep_until</strong></span> ( <span class="methodparam"><span class="type">float</span> <code class="parameter">$timestamp</code></span> )</div> <p class="para rdfs-comment"> Makes the script sleep until the specified <em><code class="parameter">timestamp</code></em>. </p> </div> <div class="refsect1 parameters" id="refsect1-function.time-sleep-until-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">timestamp</code></em></span> <dd> <p class="para"> The timestamp when the script should wake. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.time-sleep-until-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> on failure. </p> </div> <div class="refsect1 changelog" id="refsect1-function.time-sleep-until-changelog"> <h3 class="title">Changelog</h3> <p class="para"> <table class="doctable informaltable"> <thead> <tr> <th>Version</th> <th>Description</th> </tr> </thead> <tbody class="tbody"> <tr> <td>5.3.0</td> <td> This function is now available on Windows platforms. </td> </tr> </tbody> </table> </p> </div> <div class="refsect1 errors" id="refsect1-function.time-sleep-until-errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> If the specified <em><code class="parameter">timestamp</code></em> is in the past, this function will generate a <strong><code>E_WARNING</code></strong>. </p> </div> <div class="refsect1 examples" id="refsect1-function.time-sleep-until-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-3787"> <p><strong>Example #1 A <span class="function"><strong>time_sleep_until()</strong></span> example</strong></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">//returns false and generates a warning<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">time_sleep_until</span><span style="color: #007700">(</span><span style="color: #0000BB">time</span><span style="color: #007700">()-</span><span style="color: #0000BB">1</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">// may only work on faster computers, will sleep up to 0.2 seconds<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">time_sleep_until</span><span style="color: #007700">(</span><span style="color: #0000BB">microtime</span><span style="color: #007700">(</span><span style="color: #0000BB">true</span><span style="color: #007700">)+</span><span style="color: #0000BB">0.2</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> <div class="refsect1 notes" id="refsect1-function.time-sleep-until-notes"> <h3 class="title">Notes</h3> <blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara"> All signals will be delivered after the script wakes up. </span> </p></blockquote> </div> <div class="refsect1 seealso" id="refsect1-function.time-sleep-until-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.sleep.html" class="function" rel="rdfs-seeAlso">sleep()</a> - Delay execution</span></li> <li class="member"> <span class="function"><a href="function.usleep.html" class="function" rel="rdfs-seeAlso">usleep()</a> - Delay execution in microseconds</span></li> <li class="member"> <span class="function"><a href="function.time-nanosleep.html" class="function" rel="rdfs-seeAlso">time_nanosleep()</a> - Delay for a number of seconds and nanoseconds</span></li> <li class="member"> <span class="function"><a href="function.set-time-limit.html" class="function" rel="rdfs-seeAlso">set_time_limit()</a> - Limits the maximum execution time</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.time-nanosleep.html">time_nanosleep</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.uniqid.html">uniqid</a></div> <div class="up"><a href="ref.misc.html">Misc. Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>