Merge branch 'PHP-5.4'

Merge branch 'PHP-5.5'

Check for NULL ptr from get_stream() before passing it on to php_stream_cast()

Make sure return value is initialised in case transaction startup fails

Merge branch 'pull-request/341'

* pull-request/341: (23 commits)
typofixes

Merge branch 'pull-request/341'

* pull-request/341: (23 commits)
typofixes

don't include smart_str.h in a too global header, fixes #64718

Add savepoint and rollback to savepoint support

Export new calls

Add the name in a comment at commit/rollback, if provided

Add support for commit and rollback options.
Add support for explicitly starting a transaction - modes also available.
Using the API makes the life of load balancer mysqlnd plugins easier/pos

Add support for commit and rollback options.
Add support for explicitly starting a transaction - modes also available.
Using the API makes the life of load balancer mysqlnd plugins easier/possible.

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check the validity of the parameter

Use two dtors thus allow allocation based on the alloc model of the
connection.

plug a leak - forgot ot use the dtor already written

Add support for connect attributes, as of MySQL 5.6

backport handling of expired passwords in mysqlnd to 5.4

fix compilation error after merge

Use during connect the flags set with set_client_option()

support for password expiration in mysqlnd, through a flag

bump year

constify

if ssl has been switched on transmit clear-text password

fix login failure with empty password. This is 5.5 specific - new code

change public key setting to PERDIR and finish code that allows
to set the key file programatically per mysqli_options()

remove old unicode code, that is was compiled out by using a macro