PHP-找不到oci_connect [英] PHP - oci_connect not found

问题描述

我研究发现oci_connect()是可行的方法.我发现我可以使用tnsnames.ora文件中的连接名称"，也可以使用简单的连接语法.由于我的数据库不是本地存储的，而且我不知道tnsnames.ora文件在apex.oracle.com中的何处，因此我使用了简单的连接字符串.

I researched and found out oci_connect() is the way to go. I found out that i could either use the Connect Name from the tnsnames.ora file or use an easy connect syntax. Since my database isn't locally stored and I had no idea where the said, tnsnames.ora file was located in apex.oracle.com, I went with easy connect strings.Here's what I've done so far.

    $username = "myemail";
    $host = "apex.oracle.com";
    $dbname = "name";
    $password = "password";

    // url = username@host/db_name

    $dburl = $username . "@".$host."/".$dbname;

    $conn = oci_connect ($username, $password, $dburl);

    if(!$conn) echo "Connection failed";

我得到

    Call to undefined function oci_connect()

那该怎么走?

这是我做过的事情:

• 已安装的Oracle数据库

• Installed Oracle DB

解压缩的Oracle实例客户端

Unzipped Oracle Instance client

设置环境变量

在php.ini中取消注释extension = php_oci8_12c.dll

Uncommented the extension=php_oci8_12c.dll in php.ini

将所有* .dll文件从实例客户端文件夹复制到xampp/php和xampp/apache/bin

Copied all the *.dll files from the instance client folder to xampp/php and xampp/apache/bin

还确保php/ext文件夹具有所需的dll.

also made sure the php/ext folder had the required dlls.

那是昨晚.我已经多次重启PC，并用它进行了APACHE，但仍然出现此错误:

That was last night. I have restarted my PC multiple times, APACHE with it but I'm still getting this error:

    Call to undefined function oci_connect()

在这一点上，我感到沮丧，不知道从这里去哪里. PHP似乎并没有链接到oci8.我可以通过"sqlplus"命令和一些select语句在cmd中查看从Database Configuration Assistant创建的数据库.因此，一切似乎都已正确安装，只是尝试使用oci_connect()时遇到问题的php. 我的database.php，现在设置为:

At this point I'm frustrated and don't know where to go from here. PHP just doesn't seem to link up to oci8. I can view the databases I made from Database Configuration Assistant in cmd from 'sqlplus' command and a few select statements. So everything seems to be setup right, its just the php that's having problems trying to use oci_connect(). My database.php, now is setup as:

public function __construct()
{
    error_reporting(E_ALL);

    if (function_exists("oci_connect")) {
        echo "oci_connect found\n";
    } else {
        echo "oci_connect not found\n";
        exit;
    }

    $host = 'localhost';
    $port = '1521';

    // Oracle service name (instance)
    $db_name     = 'haatbazaar';
    $db_username = "SYSTEM";
    $db_password = "root";

    $tns = "(DESCRIPTION =
        (CONNECT_TIMEOUT=3)(RETRY_COUNT=0)
        (ADDRESS_LIST =
          (ADDRESS = (PROTOCOL = TCP)(HOST = $host)(PORT = $port))
        )
        (CONNECT_DATA =
          (SERVICE_NAME = $db_name)
        )
      )";
    $tns = "$host:$port/$db_name";

    try {
        $conn = oci_connect($db_username, $db_password, $tns);
        if (!$conn) {
            $e = oci_error();
            throw new Exception($e['message']);
        }
        echo "Connection OK\n";

        $stid = oci_parse($conn, 'SELECT * FROM ALL_TABLES');

        if (!$stid) {
            $e = oci_error($conn);
            throw new Exception($e['message']);
        }
        // Perform the logic of the query
        $r = oci_execute($stid);
        if (!$r) {
            $e = oci_error($stid);
            throw new Exception($e['message']);
        }

        // Fetch the results of the query
        while ($row = oci_fetch_array($stid, OCI_ASSOC + OCI_RETURN_NULLS)) {
            $row = array_change_key_case($row, CASE_LOWER);
            print_r($row);
            break;
        }

        // Close statement
        oci_free_statement($stid);

        // Disconnect
        oci_close($conn);

    }
    catch (Exception $e) {
        print_r($e);
    }
}

它输出:

oci_connect not found

OCI8列在我的phpInfo().

推荐答案

好吧，我发现了整个苦难的罪魁祸首.我已经设置了PATH环境变量，但是显然忘记了添加一个名为TNS_ADMIN的新系统环境变量，并将目录设置为PATH/TO/INSTANCE/CLIENT. 这是您需要添加的系统环境变量的列表:

Okay I found out the culprit behind this whole ordeal. I had set the PATH Environment Variables but apparently forgot to add a new system environment variable named TNS_ADMIN and set the directory to PATH/TO/INSTANCE/CLIENT. Here's the list of System Environment variable you need to add:

• 编辑PATH系统变量并添加$ORACLE_HOME/bin目录
• 编辑PATH系统变量并添加实例客户端目录
• 添加新的系统变量，将其命名为TNS_ADMIN并添加实例客户端目录

• Edit PATH system variable and add the $ORACLE_HOME/bin dir
• Edit PATH system variable and add the Instance Client dir
• Add new system variable, name it TNS_ADMIN and add the Instance Client dir

我希望这对那些来找人的人有帮助.

I hope this helps those who come looking.

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