File: posix-times.xml

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 297028 $ -->
<refentry xml:id="function.posix-times" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>posix_times</refname>
  <refpurpose>Get process times</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>array</type><methodname>posix_times</methodname>
   <void/>
  </methodsynopsis>
  <para>
   Gets information about the current CPU usage.
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns a hash of strings with information about the current
   process CPU usage. The indices of the hash are:
   <itemizedlist>
    <listitem>
     <simpara>
      ticks - the number of clock ticks that have elapsed since
      reboot.
     </simpara>
    </listitem>
    <listitem>
     <simpara>
      utime - user time used by the current process.
     </simpara>
    </listitem>
    <listitem>
     <simpara>
      stime - system time used by the current process.
     </simpara>
    </listitem>
    <listitem>
     <simpara>
      cutime - user time used by current process and children.
     </simpara>
    </listitem>
    <listitem>
     <simpara>
      cstime - system time used by current process and children.
     </simpara>
    </listitem>
   </itemizedlist>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <warning>
   <para>
    This function isn't reliable to use, it may return negative values for
    high times.
   </para>
  </warning>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Example use of <function>posix_times</function></title>
    <programlisting role="php">
<![CDATA[
<?php

$times = posix_times();

print_r($times);
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
Array
(
    [ticks] => 25814410
    [utime] => 1
    [stime] => 1
    [cutime] => 0
    [cstime] => 0
)
]]>
    </screen>
   </example>
  </para>
 </refsect1>

</refentry>

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