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symfony/src/Symfony/Component/VarExporter
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Fabien Potencier 51a359c079 Merge branch '4.2' into short-array-master 
* 4.2:
  fixed CS
  fixed CS
  fixed tests
  fixed CS
  fixed CS
  fixed CS
  fixed short array CS in comments
  fixed CS in ExpressionLanguage fixtures
  fixed CS in generated files
  fixed CS on generated container files
  fixed CS on Form PHP templates
  fixed CS on YAML fixtures
  fixed fixtures
  switched array() to []
2019-01-16 22:53:39 +01:00
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Exception [VarExporter] throw component-specific exceptions 2018-09-10 10:23:43 +02:00
Internal fixed CS 2019-01-16 21:35:37 +01:00
Tests fixed CS 2019-01-16 21:35:37 +01:00
.gitignore [VarExporter] a new component to serialize values to plain PHP code 2018-08-27 18:34:07 +02:00
CHANGELOG.md [VarExporter] a new component to serialize values to plain PHP code 2018-08-27 18:34:07 +02:00
composer.json updated version to 4.3 2018-11-26 17:19:01 +01:00
Instantiator.php fixed CS 2019-01-16 21:35:37 +01:00
LICENSE update years in license files 2019-01-03 10:09:06 +01:00
phpunit.xml.dist Merge branch '4.1' 2018-11-11 20:52:12 +01:00
README.md [VarExporter] add Instantiator::instantiate() to create+populate objects without calling their constructor nor any other methods 2018-09-18 17:22:26 +02:00
VarExporter.php fixed CS 2019-01-16 21:35:37 +01:00

README.md

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).

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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