Deprecated features in PHP 5.5.x
ext/mysql deprecation
The original MySQL extension is now
deprecated, and will generate E_DEPRECATED
errors
when connecting to a database. Instead, use the
MySQLi or
PDO_MySQL extensions.
preg_replace() /e modifier
The preg_replace() /e modifier is now deprecated. Instead, use the preg_replace_callback() function.
intl deprecations
IntlDateFormatter::setTimeZoneID() and datefmt_set_timezone_id() are now deprecated. Instead, use the IntlDateFormatter::setTimeZone() method and datefmt_set_timezone() function, respectively.
mcrypt deprecations
The following functions have been deprecated:
Коментарии
In these wrappers all mysql and ereg functions are rewritten using mysqli and pcre
https://sourceforge.net/projects/mysqlwithmysqli/
https://sourceforge.net/projects/ereg-using-pcre/