PHP - Unable to load dynamic library '/usr/lib64/php/modules/

Question

I am encountering the following errors when I try to run my webpage, which has a php script embedded to call a mysql database:

PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/dbase.so' - /usr/lib64/php/modules/dbase.so: undefined symbol: core_globals in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/mysql.so' - /usr/lib64/php/modules/mysql.so: undefined symbol: executor_globals in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/mysqli.so' - /usr/lib64/php/modules/mysqli.so: undefined symbol: executor_globals in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/pdo.so' - /usr/lib64/php/modules/pdo.so: undefined symbol: executor_globals in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/pdo_mysql.so' - /usr/lib64/php/modules/pdo_mysql.so: undefined symbol: php_pdo_register_driver in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/pdo_sqlite.so' - /usr/lib64/php/modules/pdo_sqlite.so: undefined symbol: executor_globals in Unknown on line 0
[notice] Apache/2.2.3 (Red Hat) configured -- resuming normal operations
PHP Fatal error:  Call to undefined function mysqli_connect() in /var/www/html/index.php on line 11

I have checked my php.ini file and have verified the extension_dir directive references the correct directory i.e. /usr/lib64/php/modules/

Is anyone able to shed some light on why these errors are occurring?

Have you custom-compiled php? I believe this is caused by compiling with --enable-versioning, which is incompatible with loadable modules: bugs.php.net/bug.php?id=24853 — Chelsea Urquhart
– Chelsea Urquhart, Commented Jun 7, 2014 at 12:56
I think you're have a bad installation, maybe different versions of php lib and php itself . You must provide more Information like version, webserver, etc. — LeonanCarvalho
– LeonanCarvalho, Commented Feb 13, 2017 at 11:19

Tushar Dave · Accepted Answer · 2014-06-07 13:39:20Z

2

You should open your php.ini file located in php folder, and uncomment this line of code:

;extension=php_mysql.dll

then it will look like this:

extension=php_mysql.dll

answered Jun 7, 2014 at 13:39

Tushar Dave

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3 Comments

user3717786 Over a year ago

Is php_mysql.dll only applicable to a windows installation?

Narcarsiss Over a year ago

@user3717786 Yes '.dll' are windows only dynamic link libraries, on Linux it'll be php_mysql.so

Pathros Over a year ago

I need help! I can't load sqlsrv extensions :(

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