Php – Strange PHP Warning (Unable to load dynamic library: no-debug-non-zts-20100525)

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I temporarily set apc.enable_cli=1 in apc.ini, then run php -r "apc_clear_cache();" in the terminal to clear APC cache but this is what I got:

PHP Warning:  PHP Startup: Unable to load dynamic library '/opt/php5/lib/php/extensions/no-debug-non-zts-20100525/mcrypt.so' - /opt/php5/lib/php/extensions/no-debug-non-zts-20100525/mcrypt.so: cannot open shared object file: No such file or directory in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/opt/php5/lib/php/extensions/no-debug-non-zts-20100525/mysql.so' - /opt/php5/lib/php/extensions/no-debug-non-zts-20100525/mysql.so: cannot open shared object file: No such file or directory in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/opt/php5/lib/php/extensions/no-debug-non-zts-20100525/mysqli.so' - /opt/php5/lib/php/extensions/no-debug-non-zts-20100525/mysqli.so: cannot open shared object file: No such file or directory in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/opt/php5/lib/php/extensions/no-debug-non-zts-20100525/pdo.so' - /opt/php5/lib/php/extensions/no-debug-non-zts-20100525/pdo.so: cannot open shared object file: No such file or directory in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/opt/php5/lib/php/extensions/no-debug-non-zts-20100525/pdo_mysql.so' - /opt/php5/lib/php/extensions/no-debug-non-zts-20100525/pdo_mysql.so: cannot open shared object file: No such file or directory in Unknown on line 0

I'm running PHP-FPM 5.4.3, Nginx 1.3.1 and APC 3.1.10 on an Ubuntu Server 12.04 (VPS).
Do you have any idea of what these errors mean?

Best Answer

The errors mean that the file /opt/php5/lib/php/extensions/no-debug-non-zts-20100525/mcrypt.so does not exist, while your PHP configuration wants to load it. Either make the file exist (again?), or modify your PHP configuration to not load the file. Also, /opt/php5 is not an Ubuntu-standard location for PHP installation, so you've done something custom to the machine -- I'd start by reviewing your notes on what you did there.

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