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><H1
><A
NAME="function.dbx-connect"
></A
>dbx_connect</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN13076"
></A
><P
> (PHP 4 >= 4.0.6)</P
>dbx_connect -- Open a connection/database</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN13079"
></A
><H2
>Description</H2
>object <B
CLASS="methodname"
>dbx_connect</B
> ( mixed module, string host, string database, string username, string password [, int persistent])<BR
></BR
><P
> <B
CLASS="function"
>dbx_connect()</B
> returns an object on success, <TT
CLASS="constant"
><B
>FALSE</B
></TT
> on
error. If a connection has been made but the database could not be
selected, the connection is closed and <TT
CLASS="constant"
><B
>FALSE</B
></TT
> is returned.
The <TT
CLASS="parameter"
><I
>persistent</I
></TT
> parameter can be set to
<TT
CLASS="constant"
><B
>DBX_PERSISTENT</B
></TT
>, if so, a persistent connection will be
created.
</P
><P
> The <TT
CLASS="parameter"
><I
>module</I
></TT
> parameter can be either a string or a
constant, though the latter form is preferred. The possible values are
given below, but keep in mind that they only work if the module is
actually loaded.
</P
><P
> <P
></P
><UL
><LI
><P
> <TT
CLASS="constant"
><B
>DBX_MYSQL</B
></TT
> or "mysql"
</P
></LI
><LI
><P
> <TT
CLASS="constant"
><B
>DBX_ODBC</B
></TT
> or "odbc"
</P
></LI
><LI
><P
> <TT
CLASS="constant"
><B
>DBX_PGSQL</B
></TT
> or "pgsql"
</P
></LI
><LI
><P
> <TT
CLASS="constant"
><B
>DBX_MSSQL</B
></TT
> or "mssql"
</P
></LI
><LI
><P
> <TT
CLASS="constant"
><B
>DBX_FBSQL</B
></TT
> or "fbsql" (available from PHP 4.1.0)
</P
></LI
><LI
><P
> <TT
CLASS="constant"
><B
>DBX_SYBASECT</B
></TT
> or "sybase_ct" (available from PHP
4.2.0)
</P
></LI
><LI
><P
> <TT
CLASS="constant"
><B
>DBX_OCI8</B
></TT
> or "oci8" (available from PHP 4.3.0)
</P
></LI
></UL
>
</P
><P
> The <TT
CLASS="parameter"
><I
>host</I
></TT
>, <TT
CLASS="parameter"
><I
>database</I
></TT
>,
<TT
CLASS="parameter"
><I
>username</I
></TT
> and <TT
CLASS="parameter"
><I
>password</I
></TT
>
parameters are expected, but not always used depending on the connect
functions for the abstracted module.
</P
><P
> The returned <TT
CLASS="varname"
>object</TT
> has three properties:
<P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><SPAN
CLASS="property"
>database</SPAN
></DT
><DD
><P
> It is the name of the currently selected database.
</P
></DD
><DT
><SPAN
CLASS="property"
>handle</SPAN
></DT
><DD
><P
> It is a valid handle for the connected database, and as such it can be
used in module-specific functions (if required).
<DIV
CLASS="informalexample"
><A
NAME="AEN13151"
></A
><P
></P
><TABLE
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><TR
><TD
><PRE
CLASS="php"
>$link = dbx_connect (DBX_MYSQL, "localhost", "db", "username", "password");
mysql_close ($link->handle); // dbx_close($link) would be better here</PRE
></TD
></TR
></TABLE
><P
></P
></DIV
>
</P
></DD
><DT
><SPAN
CLASS="property"
>module</SPAN
></DT
><DD
><P
> It is used internally by dbx only, and is actually the module number
mentioned above.
</P
></DD
></DL
></DIV
>
</P
><P
> <TABLE
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><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN13159"
></A
><P
><B
>Ejemplo 1. <B
CLASS="function"
>dbx_connect()</B
> example</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="php"
><?php
$link = dbx_connect (DBX_ODBC, "", "db", "username", "password", DBX_PERSISTENT)
or die ("Could not connect");
print ("Connected successfully");
dbx_close ($link);
?></PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
<DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>
Always refer to the module-specific documentation as well.
</P
></BLOCKQUOTE
></DIV
>
</P
><P
> See also: <A
HREF="function.dbx-close.html"
><B
CLASS="function"
>dbx_close()</B
></A
>.
</P
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