<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.time-sleep-until" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>time_sleep_until</refname>
  <refpurpose>
   Make the script sleep until the specified time
  </refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>time_sleep_until</methodname>
   <methodparam><type>float</type><parameter>timestamp</parameter></methodparam>
  </methodsynopsis>
  <para>
   Makes the script sleep until the specified
   <parameter>timestamp</parameter>. 
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>timestamp</parameter></term>
     <listitem>
      <para>
       The timestamp when the script should wake.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="errors">
  &reftitle.errors;
  <para>
   If the specified <parameter>timestamp</parameter> is in the past, this
   function will generate a <constant>E_WARNING</constant>.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>A <function>time_sleep_until</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php

//returns false and generates a warning
var_dump(time_sleep_until(time()-1));

// may only work on faster computers, will sleep up to 0.2 seconds
var_dump(time_sleep_until(microtime(true)+0.2));

?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <note>
   <simpara>
    All signals will be delivered after the script wakes up.
   </simpara>
  </note>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>sleep</function></member>
    <member><function>usleep</function></member>
    <member><function>time_nanosleep</function></member>
    <member><function>set_time_limit</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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