php-doc-en/reference/dba/functions/dba-popen.xml

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<refentry xml:id="function.dba-popen" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>dba_popen</refname>
  <refpurpose>Open database persistently</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>resource</type><methodname>dba_popen</methodname>
   <methodparam><type>string</type><parameter>path</parameter></methodparam>
   <methodparam><type>string</type><parameter>mode</parameter></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>handler</parameter></methodparam>
   <methodparam choice="opt"><type>mixed</type><parameter>...</parameter></methodparam>
  </methodsynopsis>
  <para>
   <function>dba_popen</function> establishes a persistent database instance
   for <parameter>path</parameter> with <parameter>mode</parameter> using
   <parameter>handler</parameter>.
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>path</parameter></term>
     <listitem>
      <para>
       Commonly a regular path in your filesystem.
     </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>mode</parameter></term>
     <listitem>
      <para>
       It is <literal>r</literal> for read access, <literal>w</literal> for
       read/write access to an already existing database, <literal>c</literal>
       for read/write access and database creation if it doesn't currently exist,
       and <literal>n</literal> for create, truncate and read/write access.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>handler</parameter></term>
     <listitem>
      <para>
       The name of the <link linkend="dba.requirements">handler</link> which
       shall be used for accessing <parameter>path</parameter>. It is passed 
       all optional parameters given to <function>dba_popen</function> and 
       can act on behalf of them.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns a positive handle on success&return.falseforfailure;.
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>dba_open</function></member>
    <member><function>dba_close</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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