PHP Startup: Unable to load dynamic library `curl.so` Ubuntu

Question

PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/20131226/curl.so' - /usr/lib/php/20131226/curl.so: undefined symbol: zend_unset_property in Unknown on line 0

I am using Ubuntu 14.04 LTS and PHP v5.6

There are other versions in same machine php5 and php7 but php5.6 has been enabled. I tried to install cURL by

sudo apt-get install php5.6-curl

Now I am getting

Unable to load dynamic library curl.so

After running php -i | grep ini I get the following

root@ubuntu:/etc/php/5.6/apache2# php -i | grep ini
PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20131226/curl.so' - /usr/lib/php/20131226/curl.so: undefined symbol: zend_unset_property in Unknown on line 0
Configuration File (php.ini) Path => /etc/php/5.6/cli
Loaded Configuration File => /etc/php/5.6/cli/php.ini
Scan this dir for additional .ini files => /etc/php/5.6/cli/conf.d
Additional .ini files parsed => /etc/php/5.6/cli/conf.d/10-mysqlnd.ini,
/etc/php/5.6/cli/conf.d/10-opcache.ini,
/etc/php/5.6/cli/conf.d/10-pdo.ini,
/etc/php/5.6/cli/conf.d/15-xml.ini,
/etc/php/5.6/cli/conf.d/20-calendar.ini,
/etc/php/5.6/cli/conf.d/20-ctype.ini,
/etc/php/5.6/cli/conf.d/20-curl.ini,
/etc/php/5.6/cli/conf.d/20-dom.ini,
/etc/php/5.6/cli/conf.d/20-exif.ini,
/etc/php/5.6/cli/conf.d/20-fileinfo.ini,
/etc/php/5.6/cli/conf.d/20-ftp.ini,
/etc/php/5.6/cli/conf.d/20-gettext.ini,
/etc/php/5.6/cli/conf.d/20-iconv.ini,
/etc/php/5.6/cli/conf.d/20-json.ini,
/etc/php/5.6/cli/conf.d/20-mbstring.ini,
/etc/php/5.6/cli/conf.d/20-mysql.ini,
/etc/php/5.6/cli/conf.d/20-mysqli.ini,
/etc/php/5.6/cli/conf.d/20-pdo_mysql.ini,
/etc/php/5.6/cli/conf.d/20-phar.ini,
/etc/php/5.6/cli/conf.d/20-posix.ini,
/etc/php/5.6/cli/conf.d/20-readline.ini,
/etc/php/5.6/cli/conf.d/20-shmop.ini,
/etc/php/5.6/cli/conf.d/20-simplexml.ini,
/etc/php/5.6/cli/conf.d/20-sockets.ini,
/etc/php/5.6/cli/conf.d/20-sysvmsg.ini,
/etc/php/5.6/cli/conf.d/20-sysvsem.ini,
/etc/php/5.6/cli/conf.d/20-sysvshm.ini,
/etc/php/5.6/cli/conf.d/20-tokenizer.ini,
/etc/php/5.6/cli/conf.d/20-wddx.ini,
/etc/php/5.6/cli/conf.d/20-xmlreader.ini,
/etc/php/5.6/cli/conf.d/20-xmlwriter.ini,
/etc/php/5.6/cli/conf.d/20-xsl.ini
user_ini.cache_ttl => 300 => 300
user_ini.filename => .user.ini => .user.ini
init_command_executed_count => 0
init_command_failed_count => 0
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

And this is the actual warning

PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/20131226/curl.so' - /usr/lib/php/20131226/curl.so: undefined symbol: zend_unset_property in Unknown on line 0

Also checked that cURL isn't working. Any kind of help is highly appreciated.

Does anyone ahve a list of the version - just upgraded to curl 7.65.3 — alimack
– alimack, Commented Aug 22, 2019 at 14:41

Tahir Yasin · Accepted Answer · 2017-07-03 11:19:06Z

15

Update php5.6(-common) to a newer version. This can be done using apt-get update && apt-get upgrade. You have just updated php5.6-curl to the latest version but it depends on a newer php5.6.

edited Jul 3, 2017 at 11:19

Tahir Yasin

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answered Nov 3, 2016 at 14:23

gdfgdfg

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1 Comment

Nikola Prokopić Over a year ago

apt-get update && apt-get install php5.6-common did the trick for me (it upgraded php5.6-cli and php5.6-common.

Ferdinand Fatal · Accepted Answer · 2018-08-13 09:02:45Z

11

If anyone is facing the same Problem with php 7.0. I removed the old "curl" with sudo apt-get remove "curl" and installed the Version for php 7.0 with sudo apt-get install php7.0-curl.

The Message is now gone and everything is working fine.

answered Aug 13, 2018 at 9:02

Ferdinand Fatal

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2 Comments

Thiago Lages de Alencar Over a year ago

Thank you! But there is need to remove curl? I could just install php7.4-curl.

EAmez Over a year ago

Removing curl with sudo apt remove curl and after that installing it with sudo apt install php-curl without specifying version was enough for me. With sudo apt list *curl* I can see there are 2 packages: php-curl and php7.2-curl.

Luciano · Accepted Answer · 2016-11-04 16:41:31Z

6

Same issue on php7. Just did a apt-get dist-upgrade and now the warning is gone and curl works properly. Hope it helps!

edited Nov 4, 2016 at 16:41

answered Nov 2, 2016 at 14:33

Luciano

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Comments

smh_lotfizadeh · Accepted Answer · 2022-07-20 14:24:17Z

1

I fixed this issue by running "sudo apt-get update" command. And after that:

sudo apt-get install php-curl

edited Jul 20, 2022 at 14:24

answered Jul 20, 2022 at 14:22

smh_lotfizadeh

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Comments

ochieno Eliud · Accepted Answer · 2024-04-26 02:59:08Z

0

I experienced similar issue when working with php8.1 on ubuntu 22.04 and the following combination effectively worked for me to fix the problem:

sudo apt-get dist-upgrade // to upgrade all system packages

sudo apt-get install php8.1-curl // install curl for the target php version

sudo systemctl restart apache2 // restarts the local server to pick up the changes

answered Apr 26, 2024 at 2:59

ochieno Eliud

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