2.0.8 2018-10-20

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* Be more aggressive about deduplication when generating serialization of arrays in php 7.0+.

* Define HAVE_IGBINARY on Unix/Linux. (previously defined only on Windows)

* Update formatting/wording of documentation.

2.0.7 2018-06-27

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* Fix compiler warnings about format strings, for errors that should not occur during normal igbinary usage.

2.0.6 2018-05-12

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* Same as 2.0.6RC1

2.0.6RC1 2018-04-01

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* Fix a bug in Windows debug builds.

* Emit more specific warnings when __sleep() returns a declared property that was unset.

* Fix harmless compiler warnings during builds.

* Fix a build error on PHP7.3-dev.

2.0.5 2017-11-04

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* Same as 2.0.5RC1 (no bugs were reported in that release candidate)

2.0.5RC1 2017-10-15

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* Improve performance when unserializing objects/arrays and serializing objects/arrays/strings in php 5/7.

* Update unserialization of integer object keys for php 7.2: Make those keys accessible when unserializing.

* Properly pick up presence of gcc for default compiler flags (`cc --version` doesn't contain gcc).

Add -O2 to default gcc compiler flags.

* Use empty string for serializing empty $_SESSION array, similar to "session.serialize_handler=php".

Older igbinary releases already unserialize the empty string to the empty array.

2.0.4 2017-04-14

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* Fixes bug #129: Should not call __wakeup() on data which was created by Serializable::unserialize()

2.0.3 2017-03-31

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* Fixes bug #126: Fatal error: "igbinary_serialize_zval: zval has unknown type 0" (IS_UNDEF)

Make this a warning instead of a fatal error (and serialize as null instead), since IS_UNDEF is a known type.

Later releases will fix the root cause of the warning, and consistently omit array/object/other entries for IS_UNDEF.

2.0.2 2017-02-27

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* Compatible with PHP 5.2 - 7.1

* Fixes crash in Memcached->setMulti (in php 7.0+) when the first level of array elements have references as values.

Other extensions using igbinary shouldn't be affected.

2.0.1 2016-11-19

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* Compatible with PHP 5.2 - 7.0

* Fixes bug in session decoder not calling __wakeup() in php 7.0+

* (Enhancement) Reuses identical strings when unserializing objects and arrays in php 7.0+

2.0.0 2016-10-30

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* Compatible with PHP 5.2 - 7.0 (Adds PHP 7 support)

* Serialization format is unchanged

* Performance improvements for serialization and unserialization in PHP 5.2 - 7.0

* (PHP 7) Don't call __destruct if __wakeup threw an exception (or __wakeup wasn't called yet)

* Ports integration with other extensions to PHP 7.0 (session serialization, Memcached, Redis, APCu, etc.)

* Fixes Windows PECL builds for PHP 5.6+

* Reword warnings for invalid header bytes of serialized data (in igbinary_unserialize).

1.2.1 2014-08-29

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* Compatible with PHP 5.2 - 5.6

1.2.0 2014-08-28

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* PECL bug #22614, igbinary_unserialize(FALSE) must return FALSE

* PHP bug #54662, unserializing nested objects cause crash

* Other fixes

1.1.1 2011-01-17

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* Critical crash fix. Thanks to Ilia Alshanetsky for spotting and fixing.

1.1.0 2011-01-17

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* New ini setting to disable duplicate string compacting

* APC serializer registration (APC 3.1.7 beta)

* Windows support (PHP 5.3)

* Updated serialized binary format (1.1 reads 1.0.x format)

* Minor performance improvements

* Bug fixes

* New source repository at https://github.com/igbinary/igbinary

1.0.2

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* Bug fix release

1.0.1 2008-07-05

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* unserialize_callback_func support

* slight speedup when serializing scalars

1.0.0 2008-06-25

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* Public version