The VarExporter component allows exporting any serializable PHP data structure to plain PHP code.

Related tags

Miscellaneous php symfony component symfony-component
Overview

VarExporter Component

The VarExporter component allows exporting any serializable PHP data structure to plain PHP code. While doing so, it preserves all the semantics associated with the serialization mechanism of PHP (__wakeup, __sleep, Serializable, __serialize, __unserialize).

It also provides an instantiator that allows creating and populating objects without calling their constructor nor any other methods.

The reason to use this component vs serialize() or igbinary is performance: thanks to OPcache, the resulting code is significantly faster and more memory efficient than using unserialize() or igbinary_unserialize().

Unlike var_export(), this works on any serializable PHP value.

It also provides a few improvements over var_export()/serialize():

  • the output is PSR-2 compatible;
  • the output can be re-indented without messing up with \r or \n in the data
  • missing classes throw a ClassNotFoundException instead of being unserialized to PHP_Incomplete_Class objects;
  • references involving SplObjectStorage, ArrayObject or ArrayIterator instances are preserved;
  • Reflection*, IteratorIterator and RecursiveIteratorIterator classes throw an exception when being serialized (their unserialized version is broken anyway, see https://bugs.php.net/76737).

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Releases(v6.2.3)

  • v6.2.3(Dec 28, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.2.2...v6.2.3)

    • bug #48724 Fix exporting classes with __unserialize() but not __serialize() (fancyweb)
    • bug #48742 Generate proxies for static abstract methods (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v6.1.9(Dec 28, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.1.8...v6.1.9)

    • bug #48724 Fix exporting classes with __unserialize() but not __serialize() (fancyweb)
    Source code(tar.gz)
    Source code(zip)

  • v6.0.17(Dec 28, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.0.16...v6.0.17)

    • bug #48724 Fix exporting classes with __unserialize() but not __serialize() (fancyweb)
    Source code(tar.gz)
    Source code(zip)

  • v5.4.17(Dec 28, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v5.4.16...v5.4.17)

    • bug #48724 Fix exporting classes with __unserialize() but not __serialize() (fancyweb)
    Source code(tar.gz)
    Source code(zip)

  • v6.2.2(Dec 16, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.2.1...v6.2.2)

    • bug #48605 Fix adding a key to an uninitialized array (nicolas-grekas)
    • bug #48553 Fix calling parent::__wakeup() when unserializing with LazyProxyTrait (azjezz)
    Source code(tar.gz)
    Source code(zip)

  • v6.2.1(Dec 6, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.2.0...v6.2.1)

    • bug #48461 Fix possible memory-leak when using lazy-objects (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v6.2.0(Nov 30, 2022)

  • v6.2.0-RC1(Nov 25, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.2.0-BETA3...v6.2.0-RC1)

    • bug #48312 Improve partial-initialization API for ghost objects (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v6.2.0-BETA3(Nov 19, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.2.0-BETA2...v6.2.0-BETA3)

    • bug #48209 Use array<property-name,Closure> for partial initialization of lazy ghost objects (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v6.2.0-BETA1(Oct 24, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.1.6...v6.2.0-BETA1)

    • feature #47236 Generate lazy-loading virtual proxies for non-ghostable lazy services (nicolas-grekas)
    • feature #46751 Add trait to help implement lazy loading ghost objects (nicolas-grekas)
    • feature #46452 Add Hydrator::hydrate() and preserve PHP references when using it (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v6.1.3(Jul 29, 2022)

  • v6.0.10(Jun 26, 2022)

  • v5.4.10(Jun 26, 2022)

  • v4.4.43(Jun 26, 2022)

  • v6.1.1(Jun 9, 2022)

  • v6.1.0(May 27, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.1.0-RC1...v6.1.0)

    • bug #46421 Deal with DatePeriod->include_end_date on PHP 8.2 (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v6.0.9(May 27, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.0.8...v6.0.9)

    • bug #46421 Deal with DatePeriod->include_end_date on PHP 8.2 (nicolas-grekas)
    • bug #46167 Fix exporting DateTime objects on PHP 8.2 (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v5.4.9(May 27, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v5.4.8...v5.4.9)

    • bug #46421 Deal with DatePeriod->include_end_date on PHP 8.2 (nicolas-grekas)
    • bug #46167 Fix exporting DateTime objects on PHP 8.2 (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v4.4.42(May 27, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v4.4.41...v4.4.42)

    • bug #46421 Deal with DatePeriod->include_end_date on PHP 8.2 (nicolas-grekas)
    • bug #46167 Fix exporting DateTime objects on PHP 8.2 (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v6.1.0-RC1(May 14, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.1.0-BETA2...v6.1.0-RC1)

    • bug #46167 Fix exporting DateTime objects on PHP 8.2 (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v6.1.0-BETA2(Apr 27, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.1.0-BETA1...v6.1.0-BETA2)

    • bug #46170 Fix dumping enums on PHP 8.2 (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v6.0.8(Apr 27, 2022)

  • v5.4.8(Apr 27, 2022)

  • v4.4.41(Apr 27, 2022)

  • v6.1.0-BETA1(Apr 15, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.0.7...v6.1.0-BETA1)

    • feature #45377 Bump minimum version of PHP to 8.1 (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v6.0.7(Apr 2, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v6.0.6...v6.0.7)

    • bug #45891 Fix exporting objects with readonly properties (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v5.4.7(Apr 2, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v5.4.6...v5.4.7)

    • bug #45891 Fix exporting objects with readonly properties (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v4.4.40(Apr 2, 2022)

    Changelog (https://github.com/symfony/var-exporter/compare/v4.4.39...v4.4.40)

    • bug #45891 Fix exporting objects with readonly properties (nicolas-grekas)
    Source code(tar.gz)
    Source code(zip)

  • v6.0.6(Mar 5, 2022)

  • v5.4.6(Mar 5, 2022)

Owner
Symfony
Symfony
GitHub https://symfony.com/var-exporter
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