reference/outcontrol/functions/ob-get-length.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.ob-get-length" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>ob_get_length</refname>
  <refpurpose>Возвращает размер буфера вывода</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>int</type><type>false</type></type><methodname>ob_get_length</methodname>
   <void/>
  </methodsynopsis>
  <para>
   Вернёт размер в байтах содержимого в буфере вывода.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Возвращает размер в байтах содержимого буфера вывода или &false;, если
   буферизация не активна.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Простой пример использования функции <function>ob_get_length</function></title>
    <programlisting role="php">
<![CDATA[
<?php

ob_start();

echo "Привет ";

$len1 = ob_get_length();

echo "Мир";

$len2 = ob_get_length();

ob_end_clean();

echo $len1 . ", " . $len2;
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
13, 19
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>ob_start</function></member>
    <member><function>ob_get_contents</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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