PHP unable to load php curl dll extension

Question

Follow-up from my post yesterday  Enabling cURL with PHP   The problem is that PHP isn t able to load php curl dll   I ve tried several steps including uncommenting extension php curl dll  making sure the dependencies libeay32 dll and ssleay32 dll eixst in the path  re-downloading php curl dll  replacing the old one  and lastly copying the file into my System32 folder   I m using Apache 2 2 and PHP 5 4 14   I installed both using their individual packages  I m not using XAMP or WAMP   I m using Windows 7 64-bit   Any help at all would be appreciated

User · Answer

I got this error because  on my system at least  if extension dir in php ini is set to a relative path  it is taken as being relative to the root Apache directory  so to get it to point to the correct directory I had to use an absolute path   C  Program Files  x86  PHP ext    This was PHP 5 5 31 and Apache 2 4 23 on Windows 10  setting extension dir to ext worked just fine with the same setup on Windows 7  I first got it to work by putting an ext directory in the Apache folder with the necessary dlls  then figured out what was happening    It was also necessary to set the PATH correctly or make sure the dlls mentioned above  libeay32 dll  libssh2 dll  and ssleay32 dll  are in Apache s bin directory  or most likely any of the places other answers mention   The fact that I got the same error message for Apache not being able to find lib curl dll as for it not being able to find libssh2 dll did not make things any easier to figure out

User · Answer

In PHP 5 6 x version You should do the following   Move to Windows system32 folder DLLs from php folder   libssh2 dll  ssleay32 dll  libeay32 dll and php curl dll from php ext folder  Move to Apache24 bin folder from php folder   libssh2 dll   Also  don t forget to uncomment extension php curl dll in php ini

User · Answer

Solution   Step1  Uncomment the php curl dll from php ini  Step2  Copy the following three files from php installed directory i e  C   php7    libeay32 dll  libssh2 dll  ssleay32 dll  Step3  Paste the files under two place  httpd conf s ServerRoot directive  i e  C Apache24  apache bin directory  i e  C Apache24 bin   Step4  Restart apache    That s all  I solve the problem by this way Hope it might work for you   The solution is given here  https   abcofcomputing blogspot com 2017 06 php7-unable-to-load-phpcurldll html

User · Answer

I have encountered the same problem before I resolved it by add php directory to windows system environment variables---Path

User · Answer

Make sure to have your apache SSH dlls loading correctly  On a fresh install I had to download and load into my apache bin directory the following dll  libssh2 dll   After ssl dll was loaded cURL was able to load with no issues    You can download it from the link below    http   windows php net downloads pecl releases ssh2 0 12

User · Answer

You are loading  dll so your OS has to be windows   First check which php ini file you are using by running phpinfo    Then check where your extensions folder is by checking extension dir attribute in that file   Next make sure that php curl dll is present in that folder  If not copy it over   Restart apache and check if it works   Since you installed packages individually  also do this   Copy the dll file from php installation folder extensions to apache installation folder bin

User · Answer

In php ini you must put the extension dir static path  extension dir    C  laragon bin php php-7 3 11-Win32-VC15-x64 ext  by example  Don t forget to remove the semicolon before this variable

User · Answer

Insert to file httpd conf  LoadFile  D  DevKit PHP7 1 libeay32 dll  LoadFile  D  DevKit PHP7 1 libssh2 dll  LoadFile  D  DevKit PHP7 1 ssleay32 dll

User · Answer

libeay32 dll and ssleay32 dll have to be path-accessible for php curl dll loading to succeed  But copying them into Apache s ServerRoot  Apache s  bin   Window s  System32   or even worse into the Windows main directory is a bad hack and may not even work with newer PHP versions  The right way to do it is to add the PHP path to the Windows Path variable   In Control Panel - gt  System click on Advanced System Settings or press WIN R and type SystemPropertiesAdvanced Click the button Environment Variables  Under System Variables you will find the Path variable  Edit it and prepend C  PHP  to it - or whatever the path to your PHP folder is   Hint  If your PHP folder contains spaces like C  Program Files PHP you may need to use the short filename form here  i e  C  Progra 1 PHP   Then fully stop Apache and start it again  a simple restart might not be enough    Update 2017-05  I changed the instructions above to prepend the Path variable with the PHP path instead of appending to it  This makes sure that the DLLs in the PHP path are used and not any other  outdated  versions in other paths of the system  Update 2018-04  If you have already chosen the wrong way and copied any of the PHP DLLs to Apache or Windows paths  then I strongly recommend that you remove them again  If you don t  you might get into trouble when you later try to update PHP  If a new PHP version brings new versions of these DLLs  but your old DLLs still linger around in system or webserver paths  these old DLLs might be found first  This will most certainly prevent the PHP interpreter from starting  Such errors can be very hard to understand and resolve  So better clean up now and remove any of the mentioned DLLs from Windows and Apache paths  if you copied them there   Thanks to  EdmundTam and  WasimA  for pointing out this problem in the comments   Update 2019-10  Tip  To find all copies of these DLLs and check whether you might have placed them in the wrong folders  you can use the following commands in a Windows Command Prompt window  dir c  libeay32 dll  s dir c  ssleay32 dll  s  Be warned that these commands may take some time to complete as they search through the entire directory structure of your system drive C   Update 2020-08  If your PHP folder contains spaces  i e  C  Program Files PHP  you may need to use the short filename form in the Path variable at step 3  i e  C  Progra 1 PHP   Thanks to  onee for this tip

User · Answer

WINDOWS Apache 2 4 x   PHP 7 0 x SOLUTION HERE   Solution  Put libeay32 dll  libssh2 dll  ssleay32 dll files under dir specified in httpd conf s ServerRoot directive  These dlls can be found compiled under php root folder   Reasons   Problem is php curl dll requires to access following libraries while loading  libeay32 dll  libssh2 dll  ssleay32 dll and it does not make sense if you put them in   php ext dir or if you put php extensions in php root dir   Of course you can put them in c  Windows or in some global folder defined in PATH but if you dont want to do this and you want that your apache php installation was portable   The path specified in ServerRoot in httpd conf is treated as home path for php  The behaviour is similar to situation where you include   path to some php file in   index php and home path for some php file is still    the dir where index php resides   In shorts just put those three dlls right in dir you specified in httpd conf ServerRoot directive and php curl dll will not fail to load again

User · Answer

Usually this is an OpenSSL version mismatch error  between Apache and PHP  In case Apache loads PHP as a DSO module  its own OpenSSL versions  dlls and libs  will be used  So  in case the PHP extension requires a newer version  it may not find the appropriate interface inside the Apache-loaded DLLS and it will fail to work   Since you need the PHP extension to load  you need the relevant DLL files to be at least the version of what the PHP module asks for  Supposing that you  re using lastest builds for both Apache and PHP and both having been built with the same MVC version  you can copy the following files    libcrypto-1 1 dll libcrypto-1 1-x64 dll libcurl dll libsasl dll libssh2 dll libssl-1 1 dll libssl-1 1-x64 dll nghttp2 dll libeay32 dll  if existing in your PHP distribution  ssleay32 dll  if existing in your PHP distribution    from the PHP root folder to the Apache2 bin folder  in case you  re confident that the PHP build is newer than the Apache build   In the opposite case  you can copy the same files from the Apache BIN to the PHP root   In any case  backup the contents of the APache and PHP folders beforehand   Adding the PHP path as an enviromental variable will give priority to this path for loading the relevant DLLs and may solve the problem  However  you lose in server portability  Additionally  if you have also added the Apache PATH as a variable and the OpenSSL versions are way different  up to loading different linked DLL files   a lot of shit may happen

User · Answer

Add your php folder path to the System PATH and everything should work fine  It will also fix some other extensions that are broken

User · Answer

After having tried everything here I had to simply upgrade Apache to a newer version in order to make curl extension work   I was upgrading PHP from 7 0 2 to 7 1 15 after which curl did not work  Only way to fix it was upgrade Apache  which was version 2 4 18  to the latest 2 4 29   Didn t have to copy any of the lib ssleay dll files to either Apache or Windows - possibly because I already have the PHP folder in my system path   Running Windows 10  64-bit  thread-safe versions  VC14

[php] PHP unable to load php_curl.dll extension

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