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Aliases and deprecated Mysqli Funktionen

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Aliases and deprecated Mysqli Funktionen
smurf at smurf dot noris dot de
03-Jul-2007 02:45
Yay. No more persistent connections. I am NOT happy about that.

As soon as you get more than 250 requests per second (ever been slashdotted?) there will not be any more free TCP ports for talking to the database server, because each TCP port will be kept in TIME_WAIT for two minutes and there are only 30000 ports in the local range.

And that's not the only problem. There's also more than twice the packet rate on the network link to the database. Frankly I'd like my CPUs to spend their cycles on something producive. :-/
dan+php dot net-note-about-mysqli at obluda dot cz
27-Sep-2006 11:15
Hints for upgrading PHP code from MySQL to MySQLi:

Note - MySQLi doesn't support persistent connection. If you need it, you must implement it by self. This case is not covered in this note.

First - change all occurences of MYSQL_ to MYSQLI_ and mysql_ to mysqli_

Most of changes is required because mysqli* functions has no implicit link argument, so it need to be added explicitly if not present already. Even if it is present, most mysqli_ functions require 'link' argument as first (and mandatory) argument instead of last (and optional) as required by mysql_ functions. So, we need to change order of arguments at least.

So, you need to found names of all mysql_ functions used in your code, check if it need reoder of parameters or add the link parameter. Only *_connect() functions need review, but most scripts contain only few connect call.

If you use functions deprecated in mysql, then may not be impemented in mysqli. Those need to be reimplemented if required. In most case, it's very simple. In advance, PHP script written by carefull programer should not contain deprecated calls, so it's not problem in most cases at all.

Most of scripts I ported from mysql_ to mysqli_ can be converted by simple sed script followed by *_connect() function call review only. Especially when when programmer doesn't used the link as implicit argument and doesn't use deprecated functions the conversion of PHP source is trivial task and converted script work with no problem.

Special handling of some functions:

mysql_connect(),mysql_pconnect()
-----------------------------------------
Call with 3 or less parameters need not to be modified.
4-parameters call - delete 4th parameter as mysqli is always non-persistent
5-parameters - replace it by sequence of mysqli_init();mysqli_options();mysqli_real_connect()

mysql_create_db(), mysql_drop_db(), mysql_list_dbs(), mysql_db_name(),mysql_list_fields(), mysql_list_processes(), mysql_list_tables(), mysql_db_query(),mysql_table_name()
------------------------------------------
mysqli variant doesn't exist (those functions has been deprecated even in mysql_) but it's easy to reimplement each of it. Use apropropriate SQL command followed by standard loop for processing query results where applicable. If no connection to server yet you need to use explicit mysqli_connect call.

mysql_result()
-----------------
mysqli variant doesn't exist. Use one of mysqli_fetch_* variant (depending of type of mysql_result() third argument)

mysql_unbuffered_query()
-----------------
mysqli variant doesn't exist. Use mysqli_real_query()
chris <at> gerlt.net
07-Jul-2006 08:47
For installing mysqli extension after PHP is installed on a Linux ubuntu ( or other linux distro with apt-get such as debian, etc...):

# apt-get install php5-mysqli

NOTE: after install, you need to reboot apache
# apache2ctl graceful
Docey
08-Jun-2006 08:11
It should be noticed that mysqli does not support persistent
connections, so do not bother about implementing them
unless you got a million hits an hour on your website.

also about using both mysql and mysqli, i want to note
that under windows the best approach is to load either
mysql or mysqli at runtime not both.

i know that under php5 this is deprecated but it seems
to work fine. i used the same appoach under debian-linux
and seems to work aswell. just don't know for the
speed cost. maybe someone can benchmark this out.

just my 2 eurocents.
s dot s at terra dot com dot br
09-May-2006 10:47
Compile error using any MySQL version before 5.0.20.

I think its becose the mysqli interface provided by PHP does not support SSL connection.
kronicade@yahoo
09-Mar-2006 08:42
Same problem, no solution.  I'm running Solaris sparc with mysql 4.1.12.  I've tried every config command I can think of and have modified my PATH as follows:

setenv PATH /usr/ccs/bin:
/usr/local/bin:
/usr/local/ipw/bin:
/usr/local/ipw/contrib/bin:
/sbin:/usr/sbin:
/usr/bin:
/usr/bin/X11:
/usr/ucb:
/usr/openwin/bin

./configure '--prefix=/usr/local/php' '--localstatedir=/usr/local'  '--mandir=/usr/share/man' '--with-mysqli=/usr/local/mysql/bin/mysql_config' '--includedir=/usr/lib' '--enable-shared=max'  '--enable-module=most'  '--with-imap=/usr/local/imap'  '--with-imap-ssl=/usr/local/ssl'  '--with-apxs2=/usr/local/apache2/bin/apxs'  '--enable-fastcgi'  '--enable-mbstring=all'  '--with-zlib-dir=/usr'  '--with-openssl=/usr/local/ssl'

I think it's a compatibility issue with the version of mysql running 64-bit.

-Andrew
Michael <mstclaire at myprintflow dot com>
13-Jan-2006 04:10
I was running into some random issues using the myqli extension with MySQL 5 on Mac OS X.

I discovered that when I compiled php 5 with the --with-mysqli flag, it was building php with the pre-installed MySQL 4 client libraries.

Heres how it fixed it to build php with the correct MySQL client libraries.

----------------
I had installed the binary version of MySQL 5 from MySQL AB. It installs everything in the default location /usr/local/mysql, which is fine. The MySQL version that comes with OS X ( v.4.x, depends on your OS X version ) installs the mysql_config help utility at /usr/bin/mysql_config. When php configs, it uses that one by default, inheritently using the wrong MySQL client libs.

No problem I thought, I just changed the --with-mysqli flag to --with-mysqli=/usr/local/mysql/bin/mysql_config ( or sudo find / -name mysql_config to find yours ). Nope, php throws a build error because it can't find the matching libraries. Hmmm...

So i tested /usr/local/mysql/bin/mysql_config --version, and I am shown my most current MySQL install. The problem is that the binary editions for OS X DO NOT include the shared libs ( libmysqlclient.dylib ). Oh no, I did not want to compile MySQL myself, not because I don't know how, but because MySQL AB does not recommend it, and for good reasons. Trust me, I've found out the hard way.

So what do you do? Download the source version of MySQL 5 that matches my binary version.

Configure MySQL:

./configure --enable-shared ( it's listed as ON as default, but I want to be sure )

Build MySQL:

make ( requires Developer Tools, but you knew that )

DO NOT make install !!! I repeat, DO NOT make install unless you really wish to overwrite your binary verions, which is not a good idea. ( You can configure MySQL with the --without-server flag, but I want to be certain I don't mess up )

Ok, almost done. Go to the lib directory in your MySQL build location and go to the invisible directory, .libs . There you will find your shared libraries, namely libmysqlclient.15.0.0.dylib.

Copy this to your /usr/local/mysql/lib directory. Now do the following from the lib directory:

ln -s libmysqlclient.15.0.0.dylib libmysqlclient.15.dylib
ln -s libmysqlclient.15.0.0.dylib libmysqlclient.dylib
mkdir mysql
cd mysql
ln -s ../libmysqlclient.15.0.0.dylib libmysqlclient.15.0.0.dylib
ln -s ../libmysqlclient.15.0.0.dylib libmysqlclient.15.dylib
ln -s ../libmysqlclient.15.0.0.dylib libmysqlclient.dylib

Now you can build your php with the correct library. After you build, check your phpinfo(); to validate the client version under the mysqli section. When I restarted Apache, it originally couldn't find my libraries, thus the /usr/local/mysql/lib/mysql directory.

Hope this helped.
Brad Marsh
09-Nov-2005 04:54
Notes for FreeBSD 6.0-RELEASE

MySQL 5.0.15 (source), Apache 2.0.55 (port), PHP 5.0.15 (source) - I used sources for MySQL and PHP because I could not get it all to work together using only ports.

First MySQL:
==================================
cd /usr/local/src
tar zxvf /path/to/mysql-5.0.15.tar.gz

./configure --prefix=/usr/local/mysql --localstatedir=/usr/local/mysql/data --enable-assembler --with-mysqld-ldflags=-all-static CFLAGS="-O3" CXX=gcc CXXFLAGS="-O3 -felide-constructors -fno-exceptions -fno-rtti"

make
make install

Apache:
==================================
MAKE SURE YOUR PORTS ARE UP-TO-DATE - use cvsup

cd /usr/ports/www/apache2
make
make install
make clean

PHP:
==================================
cd /usr/local/src
tar zxvf /path/to/php-5.0.5.tar.gz

./configure --with-xml --with-zlib --with-mysql=/usr/local/mysql --with-mysqli=/usr/local/mysql/bin/mysql_config --with-apxs2=/usr/local/sbin/apxs

EXTRA STEP for mysql and mysqli extensions at the same time:
See this forum thread: http://www.kofler.cc/forum/forumthread.php?rootID=3571

In the PHP Makefile, I changed the line (note all the duplicates)

EXTRA_LIBS = -lcrypt -lcrypt -lmysqlclient -lz -lm -lxml2 -lz -liconv -lm -lxml2 -lz -liconv -lm -lmysqlclient -lz -lcrypt -lm -lxml2 -lz -liconv -lm -lcrypt -lxml2 -lz -liconv -lm -lcrypt

to

EXTRA_LIBS = -lcrypt -lmysqlclient -lz -lm -lxml2 -liconv

make
make install

Hope this helps somebody...
dgbaley27 at comcast dot net
28-Oct-2005 10:06
I wrote the following mysqli extension to make it a little easier to pull data for some peope.  It combines the query() and fetch_assoc() methods:

<?
class Sql extends mysqli {
    function __construct($host, $user, $password, $table) {
        parent::__construct($host, $user, $password, $table);
    }

     function data($SQL, $force=0) {
        static $holdQuery;
        static $result;

        if ($SQL != $holdQuery) {
            $result = $this->query($SQL);
            $holdQuery = $SQL;
        }

        return $result->fetch_assoc();
    }
}
?>

So to implement:
<?
$link = new Sql("host", "user", "password", "table");

$SQL = "SELECT * FROM anyTable";

while ($row = $link->data($SQL)) {
        // manipulate data
}
?>

This can be very much expanded upon but I'm a freak for minimal code and I'm sure there are pleanty of you out there like me.
Ezbakhe Yassin <yassin88 at gmail dot com>
01-Sep-2005 01:03
I made a simple class that extends mysqli. It has the following features:
- Use an XML file to store multiple connection parameters.
- Auto display DB error messages (you can easily disable this in a production server)
- Retrieve columns max lenght
- Retrieve column comments
- Retrieve ENUM|SET possible values as an array

You are free to extend/modify it, but please give me credit.

<?php

class mysqli2 extends mysqli
{
    private $dbHost, $dbUser, $dbPassword, $dbSchema;

    public function __construct($XMLFilePath, $connectionID)
    {
        $this->_getDBParameters($XMLFilePath, $connectionID);
        @parent::__construct($this->dbHost, $this->dbUser, $this->dbPassword, $this->dbSchema);

        if (mysqli_connect_errno())
        {
            die(sprintf("Can't connect to database. Error: %s", mysqli_connect_error()));
        }
    }

    public function __destruct()
    {
        if (!mysqli_connect_errno())
        {
            $this->close();
        }
    }

    private function _getDBParameters($XMLFilePath, $connectionID)
    {
        if (!(file_exists($XMLFilePath)))
        {
            return FALSE;
        }

        $connections = simplexml_load_file($XMLFilePath);

        foreach ($connections as $connection)
        {
            if ($connection['ID'] == $connectionID)
            {
                $this->dbHost     = $connection->dbHost;
                $this->dbUser     = $connection->dbUser;
                $this->dbPassword = $connection->dbPassword;
                $this->dbSchema   = $connection->dbSchema;
            }
        }
    }

    public function query($sql)
    {
        if (!($result = parent::query($sql)))
        {
            die(sprintf("Can't perform query on database. Error: %s", $this->error));
        }

        return $result;
    }

    public function get_columns_max_len($dbTable)
    {
        if (!($result = $this->query("DESCRIBE $dbTable")))
        {
            return FALSE;
        }

        while ($row = $result->fetch_array(MYSQLI_ASSOC))
        {
            if (ereg('^.+\((.+)\)', $row['Type'], $columnMaxLen))
            {
                $columnMaxLens[$row['Field']] = (int)$columnMaxLen[1];
            }
        }

        return $columnMaxLens;
    }

    public function get_columns_comments($dbTable)
    {
        if (!($result = $this->query("SHOW CREATE TABLE $dbTable")))
        {
            return FALSE;
        }

        $row = $result->fetch_row();
        $tableSQL = explode("\n", $row[1]);

        foreach ($tableSQL as $tableSQLLine)
        {
            if (ereg(".+ `(.+)` .+ COMMENT '(.+)'", $tableSQLLine, $columnCommentsBuffer))
            {
                $columnComments[$columnCommentsBuffer[1]] = $columnCommentsBuffer[2];
            }
        }

        return $columnComments;
    }

    public function get_enum_options($dbTable, $dbColumn)
    {
        if (!($result = $this->query("DESCRIBE $dbTable")))
        {
            return FALSE;
        }

        while ($row = $result->fetch_array(MYSQLI_ASSOC))
        {
            if ($row['Field'] == $dbColumn)
            {
                if (eregi('(enum|set)\((.+)\)', $row['Type'], $enumValues))
                {
                    $enumValues = explode(",", str_replace("'", NULL, $enumValues[2]));
                }
            }
        }

        return isset($enumValues) ? $enumValues : FALSE;
    }
}

?>

The XML file looks like:

<?xml version ='1.0' encoding ='UTF-8' ?>

<connections>
    <connection ID="1">
        <dbHost>*DATA*</dbHost>
        <dbUser>*DATA*</dbUser>
        <dbPassword>*DATA*</dbPassword>
        <dbSchema>*DATA*</dbSchema>
    </connection>
</connections>
arjen at mysql dot com
04-Aug-2005 10:26
John Coggeshall wrote a PHP5 ext/mysqli compatibility script for applications that still use the old ext/mysql functions. This prevents the hassle of trying to have both the mysql and mysqli extensions loaded in PHP5, which can be tricky.

The script is at:
http://www.coggeshall.org/oss/mysql2i/
john
17-Jun-2005 06:55
Some benchmarks of mysqli vs the traditional mysql ext:

http://www.johnjawed.com/benchmarks/
john
29-Apr-2005 09:16
MySQLi help/support on Google Groups:

http://groups-beta.google.com/group/MySQLi
hans at lintoo dot dk
23-Mar-2005 05:33
While writing a class that extends mysqli I ran across some rather strange bugs,
that however did resove itself, when I found out that they were caused by:
<?php
parent::__construct( ... ... ... $this->dbase_password);
?>

so I changed it to the following:
<?php
/**
 * Database class for handling database connections.
 *
 * @author Hans Duedal
 * @version 22 Marts 2005
 */

class DBase extends mysqli {
    protected $dbase_hostname;
    protected $dbase_username;
    protected $dbase_password;
    protected $dbase_name;
   
   

    /**
     *  Consctructor for objects of class DBase
     *
     * @param File $settings_ini_file
     */
    public function __construct(File $settings_ini_file) {
        $ini_array = parse_ini_file($settings_ini_file->requireFilePath());
        $this->dbase_hostname = $ini_array["dbase_hostname"];
        $this->dbase_username = $ini_array["dbase_username"];
        $this->dbase_password = $ini_array["dbase_password"];
        $this->dbase_name = $ini_array["dbase_name"];
       
        parent::__construct(
            $ini_array["dbase_hostname"],
            $ini_array["dbase_username"],
            $ini_array["dbase_password"],
            $ini_array["dbase_name"]);
       
        if (mysqli_connect_error()) {
            throw new Exception("Connect exception:\n".mysqli_connect_error());
        }
    }
   
    /**
     * Desctructor for objects of class DBase, closes the connection
     *
     */
    public function __destruct() {
        parent::__destruct();
        parent::close($this);   
    }
   
    /**
     * Accessor method to return protected variable $dbase_name
     *
     * @return string
     */
    public function getName() {
        return $this->dbase_name;
    }

   
    /**
     * Raw MySQL query
     * throws exception
     *
     * @param string $query
     * @return mysqli_result
     */
    public function query($query) {
        $result = parent::query($query);
        if (mysqli_error($this))
throw new Exception("Query exception:\n".mysqli_error($this));
        return $result;
    }
}
?>

btw the File class is my own as well... couldn't find any File object in PHP5 ? :S
They are both avaible for download at:
 http://www.lintoo.dk/public/dbase_and_file_class.zip

Hans Duedal // hans@lintoo.dk
jedifreeman at comcast dot net
21-Mar-2005 10:49
It should be noted here that mysqli is a PHP 5 only extension.
Andrei Nazarenko
22-Feb-2005 08:21
If you are having trouble compiling PHP5 with MySQLi support on Linux and getting a message:
"configure: error: wrong mysql library version or lib not found"
and the config.log shows an error about -lnss_files being not found, here is the solution:

edit your mysql_config file and *REMOVE* all  "-lnss_files" AND "-lnss_dns" entries from it.
After that PHP should not complain anymore.
neil
10-Feb-2005 11:15
I have spent far too much time finding this answer:

Since PHP5 many many people are having installation problems.  I found many apps were broken when I upgraded to version 5.  I tried to install mysql and mysqli and had problems.

Here's the solution:

After doing:

 ./configure --with-mysql=/path/to/mysql_config --with-mysqli=/path/to/mysql_config

do this:

"
    if you want to use both the old mysql and the new mysqli interface, load the Makefile into your editor and search for the line beginning with EXTRA_LIBS; it includes -lmysqlclient twice; remove the second instance
"

then you can:

make
make install

......
Please note:  the mysql-dev must be installed or you won't have a mysql_config anywhere.  I installed the mysql-dev rpm

Further note:  the information about the Makefile's duplicate instances of "-libmysqlclient" came from Michael Kofler.  Thanks should be directed to him.  He gives more details at the following link:

http://www.kofler.cc/forum/forumthread.php?rootID=3571
K dot Londenberg at librics dot de
10-Feb-2005 06:35
Second part of the mysqli wrapper code since it didn't all get into one note

------ exception.php -------------

<?php

class FatalException extends Exception {};
class ErrorException extends Exception {};
class WarningException extends Exception {};

function exceptionErrorHandler($errno, $errstr, $errfile, $errline)  {
  switch ($errno) {
  case E_USER_ERROR:
    throw new FatalException($errstr, $errno);
    break;
  case E_USER_WARNING:
  case E_WARNING:
    throw new WarningException($errstr, $errno);
    break;
  case E_USER_NOTICE:
    //throw new WarningException($errstr, $errno);
    break;
  default:
      echo " - Unknown error - <b>$errstr</b>($errno) <br>";
    break;
  }
  //return true;
}

$old_error_handler = null;

function install_exception_errorhandler() {
    global $old_error_handler;
    $old_error_handler = set_error_handler(exceptionErrorHandler);
}

function uninstall_exception_errorhandler() {
    global $old_error_handler;
    set_error_handler($old_error_handler);
    $old_error_handler = null;
}

// returns formatted info-dump of an exception
function exception_dump(&$e) {
    $res = "";
    $res .= "<br><h2>".get_class($e)."</h2>\n";
    $res .= "<h3>{$e->getMessage()} ({$e->getCode()})</h3>\n\n";
    $res .= "file: {$e->getFile()}<br/>\n";
    $res .= "line: {$e->getLine()}<br/>\n";
    $res .= "<PRE>";
    $res .= $e->getTraceAsString();
    $res .= "</PRE><br>";
    return $res;
}

?>
-------------------------------------------

Example-Code:

------ example.php ------------------------
<?php
require_once('safe_mysqli.php');
try {
    $mysql = new safe_mysqli('locashost', 'user', 'pass', 'test');
    $stmt = $mysql->prepare("SELECT city, city_accented, population, latitude, longitude from world_cities where city like ? order by population desc limit 5");
    $stmt->bind_param('s', $a);
    $stmt->bind_result($city, $city_accented, $population, $latitude, $longitude);
    foreach ($anfangsbuchstaben as $a) {
        $stmt->execute();
        while ($stmt->fetch()) {
            echo "<b>$city_accented</b>: pop $population - Lat. $latitude Long. $longitude<br>";
        }
        $stmt->free_result();
    }
} catch (SQLException $e) {
    die("SQL Error : ".$e->getSQLError()." in <hr><PRE>".$e->getSQL()."</PRE><hr>");
} catch (DBException $e) {
    die("Database Error: ". $e->GetMessage());
} catch (Exception $e) {
    die(exception_dump($e));
}
?>
-----------------------------------------

Hope this helps ...
K dot Londenberg at librics dot de
10-Feb-2005 06:34
I wrote a wrapper class for mysqli which adds exception handling to the code. It's based on the second tutorial at zend.com

It partially relies on another small library which enables translation from php-warnings to exceptions, so I'm going to include this code as well.

-------safe_mysqli.php------------
<?php
//define('SQL_DEBUG', 1); // uncomment to always dump sql statement in Exception message (for debugging purposes only)
require_once('exceptions.php');
install_exception_errorhandler(); // Translates PHP Warnings and User-Errors into corresponding Exceptions

class DBException extends Exception {}; // Base class for Database Exceptions

class DBConnectException extends DBException {} // Thrown when a Database connection fails

// Thrown when problems with the execution or preparation of an SQL Query occurs.
class SQLException extends DBException {
     private $sql;
     private $sqlerrmsg;
    
     function __construct($msg, $code, $sql) {
           /* Pass all arguments passed to the constructor on to the parent's constructor */
            $this->sqlerrmsg = $msg;
            if (defined('SQL_DEBUG')) {
                $msg .= " in '$sql'";
            }
            parent::__construct($msg, $code);
            $this->sql = $sql;
       }
    
     function getSQL() {
            return $this->sql;
     }

     function getSQLError() {
            return $this->sqlerrmsg;
     }
    
}

// Helper function for constructor
function add_single_quotes($arg)
{
  return "'" . addcslashes($arg, "'\\") . "'";
}

// Written by Kai Londenberg K.Londenberg (at) librics (dot) de
// http://www.librics.de/ based on an example at zend.com

// mysqli wrapper class with exception support
class safe_mysqli extends mysqli {

          function __construct() {
             /* Pass all arguments passed to the constructor on to the parent's constructor */
             $args = func_get_args();
             try {
                  eval("parent::__construct(" . join(',', array_map('add_single_quotes', $args)) . ");");
             } catch (WarningException $we) {
                 if(mysqli_connect_error()){
                     throw new DBConnectException(mysqli_connect_error(), mysqli_connect_errno());
                    /* Throw an error if the connection fails */
                 }
             }

          }
       
          function query($query)  {
            $result = parent::query($query);
            if(mysqli_error($this)){
              throw new SQLException(mysqli_error($this), mysqli_errno($this), $query);
            }
            return $result;
          }

          function prepare($query)  {
            $result = parent::prepare($query);
            if(mysqli_error($this)){
              throw new SQLException(mysqli_error($this), mysqli_errno($this), $query);
            }
            return $result;
          }

}

?>
php at arwin dot net
03-Feb-2005 12:32
For those having trouble compiling with both --with-mysql AND --with-mysqli, I found a solution at this URL:

http://bugs.php.net/bug.php?id=29860&edit=1

rjanson at msn dot com writes:

OK, finally an answer!

I checked Makefile and found the following line:

EXTRA_LIBS = -lcrypt -lcrypt -lmysqlclient -lpng -lz -lz -lresolv -lm
-ldl -lnsl -lxml2 -
lz -lm -lxml2 -lz -lm -lmysqlclient -lcrypt -lnsl -lm -lz -lnss_files
-lnss_dns -lresolv -lnss_files
 -lnss_dns -lresolv -lxml2 -lz -lm -lcrypt -lxml2 -lz -lm -lcrypt

By removing one of the -lmysqlclient entries on this line I was able to
successfully make and make install with both mysql and mysqli. As
confirmed by phpInfo().

I'm not sure why the other libs have multiple entries and don't cause
make to crash.
roberto at spadim dot com dot br
07-Dec-2004 04:34
Mysqli is slower them mysql extension if you not use pre compiled statments!
Yair Lapin
10-Nov-2004 04:28
I successed to install php support for a mysql 4.1.7 database after several attempts because the instructions are not clear.
I have a server with linux SuSe 9 enterprise with apache 1.3.31. I installed mysql from rpm files, i installed php 4.3.9 as dynamic library. this version database needs its own client library else the mysql functions in php will not work.
configuration must be as following:

./configure --with-msqli=/usr/bin/mysql_config --with-mysql=/usr  --with-apxs=/usr/local/apache/bin/apxs

 Must be installed in your machine the correct mysql librery:

MySQL-devel-4.1.7-0
MySQL-shared-4.1.7-0
nathansquires at pacbell dot net
13-Sep-2004 07:44
If you want to build php with both the Mysql and mysqli extensions, make sure your mysql distribution comes with shared libraries or build mysql yourself with shared libraries. With only static mysql libraries the compile process will fail.
severin dot kacianka at aon dot at
13-Aug-2004 12:55
I tryed Marco Kaiser's way of getting both mysql_* and mysqli_*, but it failed for me. However I could get it working this way:
First of all I installed the MySQL 4.1.3 binary disribution acourding to the manual. Then I simply passed these ./configure arguments:

--with-mysql=/path/to/mysql4.1.3
--with-mysqli=/path/to/mysql4.1.3/bin/mysql_config

This enabled both, the mysql_* and mysqli_* functions.

Severin Kacianka
ajp at aripollak dot com
20-Jul-2004 01:50
From README.PHP4-TO-PHP5-THIN-CHANGES:

Be careful when porting from ext/mysql to ext/mysqli. The following
   functions return NULL when no more data is available in the result set
   (ext/mysql's functions return FALSE).

    - mysqli_fetch_row()
    - mysqli_fetch_array()
    - mysqli_fetch_assoc()
philip
18-Jun-2004 12:51
A couple tutorials on the subject of mysqli:
* http://www.zend.com/php5/articles/php5-mysqli.php
* http://www.zend.com/php5/articles/php5-mysqli2.php
phoeniks[at]nm[dot]ru
08-Apr-2004 12:21
Here is a little sample to do fast hierarchical queries using new prepared statements

<?php
// Root - lowest start element
// Top  - most top element
// stack - array for storing info

function tree_rise($root, &$stack, $top = 0) {
  $mysqli = mysqli_connect('localhost', 'root');
  $top  = (int)$top;
  $stmt = mysqli_prepare($mysqli, "SELECT id, pid, title FROM news.strg WHERE id = ? LIMIT 1");
  mysqli_stmt_bind_param($stmt, "i", $root);
  mysqli_stmt_execute($stmt);
  mysqli_stmt_store_result($stmt);
  mysqli_bind_result($stmt, $id, $root, $title);

  while (mysqli_fetch($stmt)) {
    $stack[$id] = $title;
    if ($root != $top && !is_null($root)) {
      mysqli_stmt_execute($stmt);
      mysqli_stmt_store_result($stmt);
    }
  }
  return count($stack);
}
?>
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