Ошибка php startup unable to load dynamic library - Не ошибается лишь тот, кто ничего не делает!

I run a PHP script and get this error:

PHP Warning: PHP Startup: Unable to load dynamic library ‘/usr/local/lib/php/extensions/no-debug-non-zts-20090626/ixed.5.2.lin’ — /usr/local/lib/php/extensions/no-debug-non-zts-20090626/ixed.5.2.lin: cannot open shared object file: No such file or directory in Unknown on line 0

What does that mean?

random

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asked Mar 12, 2011 at 11:41

It means there is an extension=... or zend_extension=... line in one of your php configuration files (php.ini, or another close to it) that is trying to load that extension : ixed.5.2.lin

Unfortunately that file or path doesn’t exist or the permissions are incorrect.

Try to search in the .ini files that are loaded by PHP (phpinfo() can indicate which ones are) — one of them should try to load that extension.
Either correct the path to the file or comment out the corresponding line.

Simon East

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answered Mar 12, 2011 at 11:45

Pascal MARTINPascal MARTIN

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If you’re on Linux, you can find all loaded configuration files by typing this in shell:

php -r "print phpinfo();" | grep ".ini"

UPDATE:
As mentioned in comments, this can be even more accurate:

php -i | grep ini

answered Mar 6, 2014 at 22:07

nefskinefski

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phpStom with XAMPP

TL;DR Except from verifying that the files exist, you might need to add the drive letter to some records in your php.ini file

I suddenly started having a problem using phpStorm 7 for debugging php with xampp and xdebug. When trying to set intellij interperter to be xampps php I got a lot of the warnings like the one in the question, for example:

Unable to load dynamic library ‘/xampp/php/ext/php_bz2.dll’

For some reason I had to add my drive letter to the records of extension_dir and browscap in the php.ini file:

extension_dir = "xamppphpext"
browscap = "xamppphpextrasbrowscap.ini"

extension_dir = "e:xamppphpext"
browscap = "e:xamppphpextrasbrowscap.ini"

answered Sep 25, 2015 at 18:47

TechnotronicTechnotronic

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If you just want to make the error disappear, and you don’t need the extension, then by all means comment the line out in php.ini. But if you actually want to fix the problem here is some additional info.

There are various causes for this based on the exact module, but there are also some general guidelines.

Open phpinfo() and look for extension_dir under the Core section. This is where your modules should be located.

For instance, /usr/lib/php/modules for Unix/Linux.

If the file does in fact exist, make sure permissions are adequate.
If the file does not exist, use the resources below to install it.

Installation on *nix (PEAR)
Installation of extensions on Windows

Ken Y-N

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answered May 21, 2015 at 10:55

EternalHourEternalHour

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Loading .dll in Linux

I’ve encountered this warning message while I was trying to install a php-extension via the php.ini file;

until I figured out that you cannot load .dll extensions in Linux,

but you have to comment the extensions that you want to import ;extension= ... .dll and install it correctly via sudo apt-get install php-...

note: ... is the extension name you want to enable.

answered Oct 16, 2018 at 7:08

Marco D.G.Marco D.G.

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php -r "echo php_ini_loaded_file();"

Will show in CLI current ini loaded file, search there for Your extension, path to it is incorrect.

answered Jul 18, 2017 at 11:09

In my case, this message started to appear when I updated the php version to 7.4.

To solve it I had to look for the php.ini files found inside the php version folder (/etc/php/7.4/apache2/ && /etc/php/7.4/cli/) checking the lines where the extensions I could see that the extensions gd2 and intl were uncommented.

answered Sep 21, 2020 at 14:07

Note that you can also get this error if your PHP library doesn’t have the «other» directory opening permission. In my particular case, I noticed this when using php -l to syntax check a script in my text editor. This meant that since my account was called «volomike», that account didn’t have permission to run the libraries that the php command relied upon.

For instance, on Ubuntu 14.04, I had PHP5 installed automatically into the path /usr/lib/php5/20121212+lfs. However, because I was working in C++ in building some shared objects, I messed around with the directory permissions and screwed things up such that non-root accounts did not have the directory execute (directory open) permissions to view /usr/lib/php5/20121212+lfs. So, I typed the following command to rectify that problem:

sudo chmod o+x /usr/lib/php5/20121212+lfs.

Now when I do php -l example.php as a non-root user, it never gives me this «Unabled to load dynamic library» problem anymore.

answered Apr 26, 2016 at 4:56

VolomikeVolomike

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I had the same problem on XAMPP for Windows when I try to install composer.
I did php -v and php throwing error :

Unable to load dynamic library ‘/xampp/php/ext/php_bz2.dll’

It took me a while until I realized that I need to setup my XAMPP. So I run setup_xampp.bat and php return to works like a charm.

answered Feb 23, 2016 at 1:11

I had this error on a number of modules when I had been running different versions of PHP side by side on my server. To sort this out, I needed to install the packages it couldn’t find for that specific PHP version. So, for example, if I saw:-

PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20160303/xml.so'

I would install the library for the PHP version specifically:-

sudo apt-get install php7.1-xml

And then restart Apache. Fixed it for me. You can check your version like this:-

php -v

answered Oct 17, 2018 at 8:12

RodRod

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I had the same problem on XAMPP for Windows10 when I try to install composer.

Unable to load dynamic library ‘/xampp/php/ext/php_bz2.dll’

Then follow this steps

just open your current_xampp_containing_drive:xampp(default_xampp_folder)phpphp.ini in texteditor (like notepad++)
now just find — is the current_xampp_containing_drive:xampp exist?
if not then find the «extension_dir» and get the drive name(c,d or your desired drive) like.

extension_dir=»F:xampp731phpext» (here finded_drive_name_from_the_file is F)

again replace with finded_drive_name_from_the_file:xampp with current_xampp_containing_drive:xampp and save.
now again start the composer installation progress, i think your problem will be solved.

answered Jan 31, 2020 at 10:21

Anjani BarnwalAnjani Barnwal

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What I did was;

1 — I first find out what version of PHP I am using thru the function phpinfo()

<?php   
    phpinfo();
?>

2 — From there you will find the location of your configuration(php.ini) file

3 — Open that file

4 — Comment out the line similar to the image below

This might be a different value but it should be related to extension.
I am no expert but this process helped me solved similar problem.

answered Mar 24, 2020 at 4:37

In my case I got this error because I downloaded a thread-safe version of the dll (infixed with -ts-), but my installation of php was a non-thread-safe (infixed with -nts-). Downloading the right version of the dll, exactly matching my php installation version fixed the issue.

answered May 10, 2020 at 15:18

KlesunKlesun

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After Windows 10 XAMPP now I installed LAMPP (XAMPP) on Ubuntu. Windows XAMPP had a lot less to configure compare to MAC (iOS) but now with Linux Ubuntu I had a few more since there are more going in Linux (a good thing).

I confused and activated mysqli.dll (and mysql.dll: erase «#» in /etc/php/7.2/cli/php.ini

I started to get the PHP Warning: PHP Startup: Unable to load dynamic library message related to dll. I commented out mysql(and i).dll in the same file but the message didn’t go away up until I commented out » » in /opt/lampp/etc/php.ini.

Looks like XAMPP reads php.ini file from /etc/php/7.2/cli and makes modification in php.ini of /opt/lampp/etc. (;extension=php_pdo_mysql.dll after «;» restarted Apache and no more any message.

kuzdu

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answered Dec 3, 2018 at 12:04

I encountered a similar error. The mistake I made was to use the «controller» name as «Pages» instead of «pages» in my url.

answered Jan 30, 2017 at 8:58

In Windows, it could be a wrong path in «System environment variables».
«Path» to the php.exe directory must be the good one.

answered Sep 18, 2019 at 13:58

‘C:/PHP/5.2.13/extphp_mcrypt1.dll’

I’d say there’s some typo on your php.ini (the extra 1). Perhaps you’re loading a different php.ini from what you expect (see the output of php.ini to make sure).

Other than that make sure that php_mcrypt.dll and PHP:

Were linked to the same VC runtime library (typically msvcrt.dll for VC6 or msvcrt90.dll for VC9) – use e.g. the dependency walker for this
Are both debug builds or both release builds
Both have ZTS enabled or ZTS disabled
For libraries that depend on further libraries (DLLs), make sure they are available (e.g. in the same directory as the extension)
PHP should give you meaning errors if any of the first three conditions above is not satisfied, but I wrote those anyway because I’m not sure for PHP 5.2.

answered Mar 31, 2020 at 6:29

Dharmendra SoniDharmendra Soni

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From C:xamppphpphp.exe I got

Unable to load dynamic library »
C:xamppphpextphp_.dll (The specified module could not be found.)

I solved by commenting out
C:xamppphpphp.ini
;extension=

answered Oct 16, 2020 at 7:08

I had the same problem when I tried to use php with sql server, when I added the sqlsrv libraries … it gave me the error, after several days of researching there, I understood that microsoft does not support x64 in this case so what I did was install laragon x86 and use the corresponding libraries. I hope it helps with something

answered Dec 28, 2021 at 18:37

Go to system env variable and set the php ext dir path as

C:xamppphpext

basically it’s finding the ext directory and then locating it’s file but it’s unable to find the files becuase php path is set as different.

answered Mar 15, 2022 at 7:55

Hadayat NiaziHadayat Niazi

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This also occurs if you are running the command from a different drive other that the one that PHP is installed in
Ideally if your php folder is in c: the your project folder should also be in c:

answered May 13 at 18:21

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Description

I have enabled mysqli extension for php 8.1 on ubuntu 20.04.

After enabling extension I’m getting the following error:

PHP Warning:  PHP Startup: Unable to load dynamic library 'mysqli' (tried: /usr/lib/php/20210902/mysqli (/usr/lib/php/20210902/mysqli: cannot open shared object file: No such file or directory), /usr/lib/php/20210902/mysqli.so (/usr/lib/php/20210902/mysqli.so: undefined symbol: mysqlnd_global_stats)) in Unknown on line 0

I have installed the current packages.

PHP 8.1
PHP MySQL (php8.1-mysql)

When I do php --ini. I get the following output.

PHP Warning:  PHP Startup: Unable to load dynamic library 'mysqli' (tried: /usr/lib/php/20210902/mysqli (/usr/lib/php/20210902/mysqli: cannot open shared object file: No such file or directory), /usr/lib/php/20210902/mysqli.so (/usr/lib/php/20210902/mysqli.so: undefined symbol: mysqlnd_global_stats)) in Unknown on line 0
Configuration File (php.ini) Path: /etc/php/8.1/cli
Loaded Configuration File:         /etc/php/8.1/cli/php.ini
Scan for additional .ini files in: /etc/php/8.1/cli/conf.d
Additional .ini files parsed:      /etc/php/8.1/cli/conf.d/10-mysqlnd.ini,
/etc/php/8.1/cli/conf.d/10-opcache.ini,
/etc/php/8.1/cli/conf.d/10-pdo.ini,
/etc/php/8.1/cli/conf.d/20-calendar.ini,
/etc/php/8.1/cli/conf.d/20-ctype.ini,
/etc/php/8.1/cli/conf.d/20-exif.ini,
/etc/php/8.1/cli/conf.d/20-ffi.ini,
/etc/php/8.1/cli/conf.d/20-fileinfo.ini,
/etc/php/8.1/cli/conf.d/20-ftp.ini,
/etc/php/8.1/cli/conf.d/20-gettext.ini,
/etc/php/8.1/cli/conf.d/20-iconv.ini,
/etc/php/8.1/cli/conf.d/20-mysqli.ini,
/etc/php/8.1/cli/conf.d/20-pdo_mysql.ini,
/etc/php/8.1/cli/conf.d/20-phar.ini,
/etc/php/8.1/cli/conf.d/20-posix.ini,
/etc/php/8.1/cli/conf.d/20-readline.ini,
/etc/php/8.1/cli/conf.d/20-shmop.ini,
/etc/php/8.1/cli/conf.d/20-sockets.ini,
/etc/php/8.1/cli/conf.d/20-sysvmsg.ini,
/etc/php/8.1/cli/conf.d/20-sysvsem.ini,
/etc/php/8.1/cli/conf.d/20-sysvshm.ini,
/etc/php/8.1/cli/conf.d/20-tokenizer.ini

I’m note sure mysqlnd extension. I have not added it or enabled it in any of the php.ini file.

NOTE: I’m facing exact similar issue in the macos as well. Not sure which package or configuration I’m missing and because of that I’m getting this error.

Screenshot

PHP Version

PHP 8.1.2

Operating System

Ubuntu 20.04

Источник

I got error like

PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/php_intl.dll' - /usr/lib/php/20151012/php_intl.dll: cannot open shared object file: No such file or directory in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/php_soap.dll' - /usr/lib/php/20151012/php_soap.dll: cannot open shared object file: No such file or directory in Unknown on line 0

As @Parto said

I run php -i | grep ".ini"

And got result :-

PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/php_intl.dll' - /usr/lib/php/20151012/php_intl.dll: cannot open shared object file: No such file or directory in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/php_soap.dll' - /usr/lib/php/20151012/php_soap.dll: cannot open shared object file: No such file or directory in Unknown on line 0
Configuration File (php.ini) Path => /etc/php/7.0/cli
Loaded Configuration File => /etc/php/7.0/cli/php.ini
Scan this dir for additional .ini files => /etc/php/7.0/cli/conf.d
Additional .ini files parsed => /etc/php/7.0/cli/conf.d/10-mysqlnd.ini,
/etc/php/7.0/cli/conf.d/10-opcache.ini,
/etc/php/7.0/cli/conf.d/10-pdo.ini,
/etc/php/7.0/cli/conf.d/15-xml.ini,
/etc/php/7.0/cli/conf.d/20-bcmath.ini,
/etc/php/7.0/cli/conf.d/20-calendar.ini,
/etc/php/7.0/cli/conf.d/20-ctype.ini,
/etc/php/7.0/cli/conf.d/20-curl.ini,
/etc/php/7.0/cli/conf.d/20-dom.ini,
/etc/php/7.0/cli/conf.d/20-exif.ini,
/etc/php/7.0/cli/conf.d/20-fileinfo.ini,
/etc/php/7.0/cli/conf.d/20-ftp.ini,
/etc/php/7.0/cli/conf.d/20-gd.ini,
/etc/php/7.0/cli/conf.d/20-gettext.ini,
/etc/php/7.0/cli/conf.d/20-iconv.ini,
/etc/php/7.0/cli/conf.d/20-intl.ini,
/etc/php/7.0/cli/conf.d/20-json.ini,
/etc/php/7.0/cli/conf.d/20-mbstring.ini,
/etc/php/7.0/cli/conf.d/20-mcrypt.ini,
/etc/php/7.0/cli/conf.d/20-mysqli.ini,
/etc/php/7.0/cli/conf.d/20-pdo_mysql.ini,
/etc/php/7.0/cli/conf.d/20-phar.ini,
/etc/php/7.0/cli/conf.d/20-posix.ini,
/etc/php/7.0/cli/conf.d/20-readline.ini,
/etc/php/7.0/cli/conf.d/20-shmop.ini,
/etc/php/7.0/cli/conf.d/20-simplexml.ini,
/etc/php/7.0/cli/conf.d/20-soap.ini,
/etc/php/7.0/cli/conf.d/20-sockets.ini,
/etc/php/7.0/cli/conf.d/20-sysvmsg.ini,
/etc/php/7.0/cli/conf.d/20-sysvsem.ini,
/etc/php/7.0/cli/conf.d/20-sysvshm.ini,
/etc/php/7.0/cli/conf.d/20-tokenizer.ini,
/etc/php/7.0/cli/conf.d/20-wddx.ini,
/etc/php/7.0/cli/conf.d/20-xmlreader.ini,
/etc/php/7.0/cli/conf.d/20-xmlwriter.ini,
/etc/php/7.0/cli/conf.d/20-xsl.ini,
/etc/php/7.0/cli/conf.d/20-zip.ini
user_ini.cache_ttl => 300 => 300
user_ini.filename => .user.ini => .user.ini
com_init_db => 0
Classes => AppendIterator, ArrayIterator, ArrayObject, BadFunctionCallException, BadMethodCallException, CachingIterator, CallbackFilterIterator, DirectoryIterator, DomainException, EmptyIterator, FilesystemIterator, FilterIterator, GlobIterator, InfiniteIterator, InvalidArgumentException, IteratorIterator, LengthException, LimitIterator, LogicException, MultipleIterator, NoRewindIterator, OutOfBoundsException, OutOfRangeException, OverflowException, ParentIterator, RangeException, RecursiveArrayIterator, RecursiveCachingIterator, RecursiveCallbackFilterIterator, RecursiveDirectoryIterator, RecursiveFilterIterator, RecursiveIteratorIterator, RecursiveRegexIterator, RecursiveTreeIterator, RegexIterator, RuntimeException, SplDoublyLinkedList, SplFileInfo, SplFileObject, SplFixedArray, SplHeap, SplMinHeap, SplMaxHeap, SplObjectStorage, SplPriorityQueue, SplQueue, SplStack, SplTempFileObject, UnderflowException, UnexpectedValueException

I am using php 7 and Ubuntu 16.04

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Contents

PHP warnings
PHP.ini location
PHP configuration

Challenge: WP CLI and PHP Composer is displaying PHP extension errors

Solution: adjust php.ini settings for display_startup_errors

The XAMPP server or localwp by freewheel are often used by developers to set up a PHP project locally. Running shell commands is often a necessity (WP CLI command line or PHP Composer). LocalWP offering “Open Site Shell” where commands can be executed.

Depending on the selected PHP version (5.6.39, 7.3.5, 7.4.1 or 8.00), some PHP startup warnings can appear in the console. This can be frustrating because pipe linux commands use standard output and a warning can interfere with command execution.

We have a site set up on localhost, our server is NGINX with PHP 7.4.1 enabled. Our environment is Windows with localWP application running in the background. How to fix PHP warnings when executing console commands? You will find a solution in this article.

PHP warnings

Missing PHP extensions or issues with loading them are common error messages. “The specified module could not be found” for php_imagick.dll is a popular one. You might see other warnings similar to those:

Warning: PHP Startup: Unable to load dynamic library 'php_imagick.dll' (tried: C:/Program Files (x86)/Localwp/resources/extraResources/lightning-services/php-7.4.1+18/bin/win64/extphp_imagick.dll (The specified module could not be found.), C:/Program Files (x86)/Localwp/resources/extraResources/lightning-services/php-7.4.1+18/bin/win64/extphp_php_imagick.dll.dll (The specified module could not be found.)) in Unknown on line 0

Warning: PHP Startup: Unable to load dynamic library 'php_pdo_mysql.dll' (tried: C:/Users/user1/AppData/Roaming/Local/lightning-services/php-8.0.0+3/bin/win64/extphp_pdo_mysql.dll (The specified module could not be found.), C:/Users/user1/AppData/Roaming/Local/lightning-services/php-8.0.0+3/bin/win64/extphp_php_pdo_mysql.dll.dll (The specified module could not be found.)) in Unknown on line 0

Warning: PHP Startup: Unable to load dynamic library 'php_mysqli.dll' (tried: C:/Users/user1/AppData/Roaming/Local/lightning-services/php-7.3.5+11/bin/win64/extphp_mysqli.dll (The specified procedure could not be found.), C:/Users/user1/AppData/Roaming/Local/lightning-services/php-7.3.5+11/bin/win64/extphp_php_mysqli.dll.dll (The specified module could not be found.)) in Unknown on line 0

PHP.ini location

First, we need to determine where our PHP settings (php.ini) are stored. This command will return the location of the config file:

$ php --ini

Here is the output:

Configuration File (php.ini) Path: C:WINDOWS
Loaded Configuration File:         C:Usersuser1AppDataRoamingLocalrunN4vHnB5kBconfphpphp.ini
Scan for additional .ini files in: (none)
Additional .ini files parsed:      (none)

PHP configuration

Now, what is left is editing the php.ini file (in our situation, it is located on: C:Usersuser1AppDataRoamingLocalrunN4vHnB5kBconfphpphp.ini ). Look for:

display_startup_errors = On

and change it to:

display_startup_errors = Off

Save the file. That’s it. Warnings will be not present anymore. Now you can execute WP CLI command without any problems. To test our solution, we will export WordPress tables started with the prefix:

wp db export --tables=$(wp db tables 'wp_20*' --format=csv)

Success! Here is the output:

Success: Exported to 'local-2022-07-13-51e1a91.sql'.

That’s it for today’s tutorial. Don’t forget to subscribe to our newsletter and stay up to date with other useful tips and guidelines.

Maciej Brzeziński,
Written on January 17, 2023

Techleader of createIT, working in the IT sector for over 14 years. Innovator, author, and owner of an e-shop that he has been continuously developing for over 10 years. Currently, with his team of over 20 developers, he supervises all kinds of e-commerce projects of varied structure, characteristics, and size: from simple on-line shops for retail clients to advanced B2B platforms with support of multiple shopping carts, multiple languages, and integration with external systems. His work also involves modifying and expanding the existing platforms with millions of products in their databases, platforms that support variable pricing (several variants of the same product), dropshipping modules, integration with storage systems, integration with courier delivery services, and the last but not least, the optimization of scripts. By participating in a multitude of projects, he had the opportunity to “test out” all kinds of platforms (open-source, SaaS – Cloud-Hosted eCommerce Platforms) and dedicated platforms.

ask the author

Techleader of createIT, working in the IT sector for over 14 years. Innovator, author, and owner of an e-shop that he has been continuously developing for over 10 years. Currently, with his team of over 20 developers, he supervises all kinds of e-commerce projects of varied structure, characteristics, and size: from simple on-line shops for retail clients to advanced B2B platforms with support of multiple shopping carts, multiple languages, and integration with external systems. His work also involves modifying and expanding the existing platforms with millions of products in their databases, platforms that support variable pricing (several variants of the same product), dropshipping modules, integration with storage systems, integration with courier delivery services, and the last but not least, the optimization of scripts. By participating in a multitude of projects, he had the opportunity to “test out” all kinds of platforms (open-source, SaaS – Cloud-Hosted eCommerce Platforms) and dedicated platforms.

ask the author

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The PHP warning unable to load dynamic library occurs when PHP can’t load a required extension.

Most often, this happens when PHP can’t find the extension you defined in your php.ini file.

For example, the error goes like this:

PHP Warning:  PHP Startup: Unable to load dynamic library 'mysqli'

To solve this warning, you need to make sure that PHP is able to find the required extension.

First, find the php.ini file location by running the phpinfo() function as follows:

Once you find the php.ini location, open the file and search for the line that says extension_dir as shown below:

extension_dir="C:xamppphpext"

The extension_dir configuration is used to define a folder where your PHP extensions are stored.

Open the extension_dir using your file explorer and see if the extension that causes the warning exists in that folder.

For example, the mysqli extension requires the php_mysqli.dll file (Windows) or php_mysqli.so (UNIX-like)

When you don’t find the file, then you need to somehow get it from the Internet.

For Windows, you can download the compiled PHP version from windows.php.net and get the extension in ext/ folder in the zip file.

You need to copy the extension from the ext/ folder to your extension_dir folder.

For UNIX-like OS, you can install PHP extensions with PEAR.

Once you have the extension, restart your PHP server. The warning should now disappear.

If you know that you don’t need the extension, you can comment out the extension to make the warning go away.

Add a semicolon (;) before the extension configuration as shown below:

Save the changes to the php.ini file and restart your PHP server. You should no longer see the warning.

Now you’ve learned how to solve the warning PHP Startup: Unable to load dynamic library. Great work! 👍

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