gzgets.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.gzgets" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>gzgets</refname>
  <refpurpose>Get line from file pointer</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>string</type><type>false</type></type><methodname>gzgets</methodname>
   <methodparam><type>resource</type><parameter>stream</parameter></methodparam>
   <methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>length</parameter><initializer>&null;</initializer></methodparam>
  </methodsynopsis>
  <para>
   Gets a (uncompressed) string of up to length - 1 bytes read from the given
   file pointer. Reading ends when length - 1 bytes have been read, on a 
   newline, or on EOF (whichever comes first).
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>stream</parameter></term>
     <listitem>
      <para>
       The gz-file pointer. It must be valid, and must point to a file
       successfully opened by <function>gzopen</function>.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>length</parameter></term>
     <listitem>
      <para>
       The length of data to get.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   The uncompressed string, or &false; on error.
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry>8.0.0</entry>
      <entry>
       <parameter>length</parameter> is nullable now;
       previously, the default was <literal>1024</literal>.
      </entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>gzgets</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
$handle = gzopen('somefile.gz', 'r');
while (!gzeof($handle)) {
   $buffer = gzgets($handle, 4096);
   echo $buffer;
}
gzclose($handle);
?> 
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>gzopen</function></member>
    <member><function>gzgetc</function></member>
    <member><function>gzwrite</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
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