php-doc-en/reference/zip/functions/ziparchive-open.xml

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<refentry xml:id="function.ziparchive-open" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>ZipArchive::open</refname>
  <refpurpose>Open a ZIP file archive</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>mixed</type><methodname>ZipArchive::open</methodname>
   <methodparam><type>string</type><parameter>filename</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>flags</parameter></methodparam>
  </methodsynopsis>
  <para>
   Opens a new zip archive for reading, writing or modifying.
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>filename</parameter></term>
     <listitem>
      <para>
       The file name of the ZIP archive to open.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>flags</parameter></term>
     <listitem>
      <para>
       The mode to use to open the archive.
       <itemizedlist>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::OVERWRITE</constant>
         </para>
        </listitem>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::CREATE</constant>
         </para>
        </listitem>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::EXCL</constant>
         </para>
        </listitem>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::CHECKCONS</constant>
         </para>
        </listitem>
       </itemizedlist>
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>Error codes</parameter></term>
      <listitem>
      <para>
       Returns &true; on success or the error code.
       <itemizedlist>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::ER_EXISTS</constant>
         </para>
        </listitem>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::ER_INCONS</constant>
         </para>
        </listitem>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::ER_INVAL</constant>
         </para>
        </listitem>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::ER_MEMORY</constant>
         </para>
        </listitem>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::ER_NOENT</constant>
         </para>
        </listitem>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::ER_NOZIP</constant>
         </para>
        </listitem>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::ER_OPEN</constant>
         </para>
        </listitem>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::ER_READ</constant>
         </para>
        </listitem>
        <listitem>
         <para>
          <constant>ZIPARCHIVE::ER_SEEK</constant>
         </para>
        </listitem>
       </itemizedlist>
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="examples">
  &reftitle.examples;
    <para>
     This example opens a ZIP file archive, reads each file in the
     archive and prints out its contents. The
     <filename>test2.zip</filename> archive used in this example is
     one of the test archives in the ZZIPlib source distribution.
    </para>
    <example>
     <title>Open and extract</title>
     <programlisting role="php">
<![CDATA[
<?php
$zip = new ZipArchive;
$res = $zip->open('test.zip')
if ($res === TRUE) {
    echo 'ok';
    $zip->extractTo('test');
    $zip->close();
} else {
    echo 'failed, code:' . $res;
}
?>
]]>
     </programlisting>
    </example>
    <example>
     <title>Create an archive</title>
     <programlisting role="php">
<![CDATA[
<?php
$zip = new ZipArchive;
$res = $zip->open('test.zip', ZipArchive::CREATE);
if ($res === TRUE) {
    $zip->addFromString('test.txt', 'file content goes here');
    $zip->addFile('data.txt', 'entryname.txt');
    $zip->close();
    echo 'ok';
} else {
    echo 'failed';
}
?>
]]>
     </programlisting>
    </example>
   </refsect1>
</refentry>

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