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archived-doc-ru/reference/info/functions/gc-status.xml
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2024-06-20 11:38:35 +03:00

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XML

<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 29e86aa417117567242b25bf3af5c876f61c05b6 Maintainer: rjhdby Status: ready -->
<!-- Reviewed: no -->
<refentry xml:id="function.gc-status" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>gc_status</refname>
<refpurpose>Возвращает информацию о текущем статусе сборщика мусора</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>gc_status</methodname>
<void />
</methodsynopsis>
<para>
Функция возвращает информацию о текущем статусе сборщика мусора.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
&no.function.parameters;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Функция возвращает ассоциативный массив со следующими элементами:
<itemizedlist>
<listitem>
<simpara>
<literal>"runs"</literal>
</simpara>
</listitem>
<listitem>
<simpara>
<literal>"collected"</literal>
</simpara>
</listitem>
<listitem>
<simpara>
<literal>"threshold"</literal>
</simpara>
</listitem>
<listitem>
<simpara>
<literal>"roots"</literal>
</simpara>
</listitem>
<listitem>
<simpara>
<literal>"running"</literal>
</simpara>
</listitem>
<listitem>
<simpara>
<literal>"protected"</literal>
</simpara>
</listitem>
<listitem>
<simpara>
<literal>"full"</literal>
</simpara>
</listitem>
<listitem>
<simpara>
<literal>"buffer_size"</literal>
</simpara>
</listitem>
<listitem>
<simpara>
<literal>"application_time"</literal>
</simpara>
</listitem>
<listitem>
<simpara>
<literal>"collector_time"</literal>
</simpara>
</listitem>
<listitem>
<simpara>
<literal>"destructor_time"</literal>
</simpara>
</listitem>
<listitem>
<simpara>
<literal>"free_time"</literal>
</simpara>
</listitem>
</itemizedlist>
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<para>
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.3.0</entry>
<entry>
Теперь функция <function>gc_status</function> возвращает следующие дополнительные поля:
<literal>"running"</literal>, <literal>"protected"</literal>,
<literal>"full"</literal>, <literal>"buffer_size"</literal>,
<literal>"application_time"</literal>, <literal>"collector_time"</literal>,
<literal>"destructor_time"</literal> и <literal>"free_time"</literal>.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Пример использования функции <function>gc_status</function></title>
<programlisting role="php">
<![CDATA[
<?php
// Создадим дерево объектов, для которых понадобится собирать мусор
$a = new stdClass();
$a->b = [];
for ($i = 0; $i < 100000; $i++) {
$b = new stdClass();
$b->a = $a;
$a->b[] = $b;
}
unset($a);
unset($b);
gc_collect_cycles();
var_dump(gc_status());
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
array(4) {
["runs"]=>
int(5)
["collected"]=>
int(100002)
["threshold"]=>
int(50001)
["roots"]=>
int(0)
}
]]>
</screen>
&example.outputs.83.similar;
<screen>
<![CDATA[
array(12) {
["running"]=>
bool(false)
["protected"]=>
bool(false)
["full"]=>
bool(false)
["runs"]=>
int(5)
["collected"]=>
int(100002)
["threshold"]=>
int(50001)
["buffer_size"]=>
int(131072)
["roots"]=>
int(0)
["application_time"]=>
float(0.031182458)
["collector_time"]=>
float(0.020106291)
["destructor_time"]=>
float(0)
["free_time"]=>
float(0.003707167)
}
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><link linkend="features.gc">Сборка мусора</link></member>
</simplelist>
</para>
</refsect1>
</refentry>
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