<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.mongo-gridfs-list" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>mongo_gridfs_list</refname>
  <refpurpose>Query for files in the grid collection</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>resource</type><methodname>mongo_gridfs_list</methodname>
   <methodparam><type>resource</type><parameter>gridfs</parameter></methodparam>
   <methodparam><type>array</type><parameter>query</parameter></methodparam>
  </methodsynopsis>
  <para>
   Query for files in the grid collection.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>gridfs</parameter></term>
     <listitem>
      <para>
       The gridfs connection to use.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>query</parameter></term>
     <listitem>
      <para>
       The file qualities for which to query.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns a cursor to information about the matching gridfs files.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>mongo_gridfs_list</function> example</title>
    <para>
     This example shows how to list the files in a grid collection.
    </para>
    <programlisting role="php">
<![CDATA[
<?php

$conn = mongo_connect("localhost", true);
if (!$conn) {
   die("Could not connect.");
}
// create a new grid connection
$gridfs = mongo_gridfs_init($conn, "blog", "fs");

// query for the filename
$cursor = mongo_gridfs_list($gridfs, array("filename" => "profilePic.jpg"));

while (mongo_has_next($cursor)) {
    $f = mongo_next($cursor);
    echo $f["filename"] . "\n";
}

?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
file1.txt
file2.txt
mypic.jpg
]]>
    </screen>
    depending on what is in the database.
   </example>
  </para>
 </refsect1>

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

</refentry>

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