PHP Warning PHP Startup Unable to load dynamic library

Question

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

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

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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

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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

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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

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From C  xampp php php exe I got  Unable to load dynamic library    C  xampp php ext php  dll  The specified module could not be found    I solved by commenting out C  xampp php php ini  extension

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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   amp  amp   etc php 7 4 cli   checking the lines where the extensions I could see that the extensions gd2 and intl were uncommented

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C  PHP 5 2 13 ext php 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

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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

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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     xampp php ext  browscap     xampp php extras browscap ini    to   extension dir    e  xampp php ext  browscap    e  xampp php extras browscap ini

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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

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Look for the exact extension for your PHP version here

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In my case I got this error because I downloaded a thread-safe version of the dll  infixed with -ts-   but my php 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

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What I did was    1 - I first find out what version of PHP I am using thru the function phpinfo     lt  php        phpinfo      gt    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

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I had a similar problem and bellow is some of all the warnings errors   Warning  PHP Startup  Unable to load dynamic library  curl   tried  C  php ext curl   The specified module could not be found    C  php ext php curl dll  The specified  module  could not be found    in Unknown on line 0  Warning  PHP Startup  Unable to load dynamic library  fileinfo   tried   C  php ext fileinfo  The specified module could not be found     C  php ext php fileinfo dll  The specified module could not be found    in Unknown on  line 0   If you check through the warnings  you will see that it is looking for php extensions in the C  php ext  so  I downloaded php to the C   directory and that solved the problems

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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

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

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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  php php 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  xampp731 php ext   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

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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

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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

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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

[php] PHP Warning: PHP Startup: Unable to load dynamic library

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