archived-doc-ru/reference/fileinfo/functions/finfo-buffer.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.finfo-buffer" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>finfo_buffer</refname>
  <refname>finfo::buffer</refname>
  <refpurpose>Возвращает информацию о строке буфера</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <para>&style.procedural;</para>
  <methodsynopsis>
   <type class="union"><type>string</type><type>false</type></type><methodname>finfo_buffer</methodname>
   <methodparam><type>finfo</type><parameter>finfo</parameter></methodparam>
   <methodparam><type>string</type><parameter>string</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer><constant>FILEINFO_NONE</constant></initializer></methodparam>
   <methodparam choice="opt"><type class="union"><type>resource</type><type>null</type></type><parameter>context</parameter><initializer>&null;</initializer></methodparam>
  </methodsynopsis>
  <para>&style.oop;</para>
  <methodsynopsis role="finfo">
   <modifier>public</modifier> <type class="union"><type>string</type><type>false</type></type><methodname>finfo::buffer</methodname>
   <methodparam><type>string</type><parameter>string</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer><constant>FILEINFO_NONE</constant></initializer></methodparam>
   <methodparam choice="opt"><type class="union"><type>resource</type><type>null</type></type><parameter>context</parameter><initializer>&null;</initializer></methodparam>
  </methodsynopsis>

  <para>
   Эта функция используется для получения информации о бинарных данных в строке.
  </para>

 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>finfo</parameter></term>
     <listitem>
      &fileinfo.parameters.finfo;
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>string</parameter></term>
     <listitem>
      <para>
       Содержимое проверяемого файла.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>flags</parameter></term>
     <listitem>
      <para>
       Одна или несколько объединённых через бинарное ИЛИ
       <link linkend="fileinfo.constants">констант Fileinfo</link>.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>context</parameter></term>
     <listitem>
      <para>
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Возвращает текстовое описание для аргумента <parameter>string</parameter>
   или &false; в случае возникновения ошибки.
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     &fileinfo.changelog.finfo-object;
     <row>
      <entry>8.0.0</entry>
      <entry>
       <parameter>context</parameter> теперь допускает значение null.
      </entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Пример <function>finfo_buffer</function></title>
    <programlisting role="php">
<![CDATA[
<?php
$finfo = new finfo(FILEINFO_MIME);
echo $finfo->buffer($_POST["script"]) . "\n";
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
application/x-sh; charset=us-ascii
]]>
    </screen>
   </example>
  </para>
 </refsect1>

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

</refentry>
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