no need to call zend_is_callable() if callable is known to be invalid
free fname on failure and plug possible leak

- MFH
. Fix iterator based access
. Add new attribute ATTR_DEFAULT_FETCH_MODE: $bdh->setAttribute()
. Add new fetch mode: FETCH_PROPS_LATE, this fills object member
variable

- MFH
. Fix iterator based access
. Add new attribute ATTR_DEFAULT_FETCH_MODE: $bdh->setAttribute()
. Add new fetch mode: FETCH_PROPS_LATE, this fills object member
variables after calling the constructor (fixes #36428).

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MFB: don't segfault if an exception has been thrown from the fetch handler

Add "ATTR_EMULATE_PREPARES" general attribute to replace the custom
attributes employed by mysql and postgres drivers.
No functional change.

prevent possible NULL dereference

The fix for #35332 caused #35671 (and thus PECL #6504).

Partially back out that fix and introduce an extra optional step for drivers to
canonicalize the "name" that is used for registeri

The fix for #35332 caused #35671 (and thus PECL #6504).

Partially back out that fix and introduce an extra optional step for drivers to
canonicalize the "name" that is used for registering parameters.

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Properly calculate the size of the result array.

MFH: check stream for NULL before writing to it
remove unnecessary semicolons

Fixed memory leak on unused bind var.

- MFH

Fixed bug #35797 (segfault on PDOStatement::execute() with
zend.ze1_compatibility_mode = On).

bump year and license version

Fixed memory corruption when FETCH_LAZY mode is being used.

Fixed bug #35694 (Improved error message for invalid fetch mode).

MFH: nuke php3 legacy

tweak fix a bit
(by request of Wez)

MFH: fix #35508 (PDO fails when unknown fetch mode specified)

Fix #35431; LAZY fetch and fetchAll == crash.
Lazy makes no sense with fetchAll; disallow it.

MFH: fix #35430 (PDO crashes on incorrect FETCH_FUNC use)

Doh, need to canonicalize parameter names (by prefixing with :) before
attempting to remap them to positional args.

Bug: when stringify fetch mode is on, and the driver returns a string instead
of a stream for a LOB parameter, PDO would incorrectly return NULL for that
column.

Fix for #35332.
The problem is caused by the user mixing positional and named parameters.
PDO was blindly adding the parameters, unaware that the same parameters were
already allocated by

Fix for #35332.
The problem is caused by the user mixing positional and named parameters.
PDO was blindly adding the parameters, unaware that the same parameters were
already allocated by position.

What we do now is register the parameter with the driver before adding it to
any hash. This gives the driver an opportunity to normalize the name and
parameter number. PDO can then ensure that only one entry is occupied in the
hash for a given parameter.

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Fixed bug #35358 (Incorrect error messages for PDO class constants).

Closes PECL #5944; binding an invalid parameter can lead to segfaults.
Modified patch provided by curt@php.net.

Fixed bug #35135 (PDOStatment without related PDO object may crash).