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_

Answer 1

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.