PHP connects to Oracle, prompting call to undefined function ora_logon (), how to resolve

PHP connects to Oracle, prompting call to undefined function Ora_logon ()
A small piece of code written according to the data


if ($conn =ora_logon ("Hr@tnsname", "HR"))
{
echo "SUCCESS! Connected to database\n ";
}
Else
{
echo "Failed:-( Could not connect to database\n ";}
Ora_logoff ($conn);
Phpinfo ();
?>

Hint Ora_logon function for definition, why?

I've got Extension=php_oci8.dll's semicolon removed from the php.ini.
And put Php_oci8.dll into the windows/system32 inside.

------Solution--------------------
Not that you can install Oracle's extended ...


And Ora_logon belonged to CXIII. Oracle functions (deprecated)

You have to use CVII. Oracle functions

http://cn.php.net/manual/zh/ref.oci8.php
------Solution--------------------
Did your config your PHP with Oracle while installing it? Please check below

./configure--prefix=/appbin/php--with-apxs2=/appbin/apache/bin/apxs--with-oci8= $ORACLE _home

$ORACLE _home is path which your ORACLE clinet/server located,

Then with Oci_connect () or with oci_newconnect (), please check the PHP doc for detail

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