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>ifx_connect</H1
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><P
> (PHP 3>= 3.0.3, PHP 4 )</P
>ifx_connect -- Open Informix server connection</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN39599"
></A
><H2
>Description</H2
>int <B
CLASS="methodname"
>ifx_connect</B
> ( [string database [, string userid [, string password]]])<BR
></BR
><P
>
Returns a connection identifier on success, or <TT
CLASS="constant"
><B
>FALSE</B
></TT
> on
error.
</P
><P
>
<B
CLASS="function"
>ifx_connect()</B
> establishes a connection to an
Informix server. All of the arguments are optional, and if
they're missing, defaults are taken from values supplied in <A
HREF="configuration.html#configuration.file"
>configuration file</A
>
(ifx.default_host for the host (Informix libraries will use
<TT
CLASS="envar"
>INFORMIXSERVER</TT
> environment value if not defined),
ifx.default_user for user, ifx.default_password for the password
(none if not defined).
</P
><P
>
In case a second call is made to
<B
CLASS="function"
>ifx_connect()</B
> with the same arguments, no
new link will be established, but instead, the link identifier of
the already opened link will be returned.
</P
><P
>
The link to the server will be closed as soon as the execution of
the script ends, unless it's closed earlier by explicitly calling
<A
HREF="function.ifx-close.html"
><B
CLASS="function"
>ifx_close()</B
></A
>.
</P
><P
>
See also <A
HREF="function.ifx-pconnect.html"
><B
CLASS="function"
>ifx_pconnect()</B
></A
>, and
<A
HREF="function.ifx-close.html"
><B
CLASS="function"
>ifx_close()</B
></A
>.
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><P
><B
>Example 1. Connect to a Informix database</B
></P
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><PRE
CLASS="php"
>$conn_id = ifx_connect ("mydb@ol_srv1", "imyself", "mypassword");</PRE
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