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Fabien Potencier ac3111fe8a bug #17377 Fix performance (PHP5) and memory (PHP7) issues when using token_get_all (nicolas-grekas, peteward)
This PR was merged into the 2.3 branch.

Discussion
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Fix performance (PHP5) and memory (PHP7) issues when using token_get_all

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #16868
| License       | MIT
| Doc PR        | -

Although it's not the case anymore on PHP 7, on PHP 5, `is_array` checks are much slower than `isset` checks.

Also from @peteward in #17384:
>  New PHP7 memory manager will not release small buckets to OS automatically in cases exposed by `token_get_all()`. This function call addition specifically for PHP7 will reclaim this memory to keep the footprint down of long processe

> See above ticket and suggested actions by PHP internals team for long-running tasks (https://bugs.php.net/70098) - I think `cache:clear/warmup` on a heavy app justifies this.

> We're running on cloud-based hosting platforms under memory limitations (Platform.sh). When memory is exceeded we're into swap and the cache clearing process goes from seconds to minutes for the initial deployment, which really slows our development workflow and also causes holding page delays.

Commits
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e555aad Add gc_mem_caches() call for PHP7 after itoken_get_all() as new memory manager will not release small buckets to OS automatically
d1f72d8 Fix perf and mem issue when using token_get_all
2016-01-15 17:52:13 +01:00
src/Symfony bug #17377 Fix performance (PHP5) and memory (PHP7) issues when using token_get_all (nicolas-grekas, peteward) 2016-01-15 17:52:13 +01:00
.composer-auth.json [travis] use github token to fetch deps from ZIP files 2015-12-29 18:02:08 +01:00
.editorconfig Add EditorConfig File 2012-06-16 14:08:15 +02:00
.gitignore Add appveyor.yml for C.I. on Windows 2015-08-25 23:41:37 +02:00
.php_cs use nowdoc instead of heredoc 2015-12-21 17:05:00 +01:00
.travis.php [travis] Fail early when an invalid composer.json is found 2015-10-27 16:22:59 +01:00
.travis.yml [ClassLoader] Use symfony/polyfill-apcu 2016-01-14 18:42:51 +01:00
appveyor.yml [travis] use github token to fetch deps from ZIP files 2015-12-29 18:02:08 +01:00
CHANGELOG-2.2.md Merge branch '2.2' into 2.3 2013-12-03 15:51:26 +01:00
CHANGELOG-2.3.md updated CHANGELOG for 2.3.37 2016-01-14 10:14:30 +01:00
composer.json [ClassLoader] Use symfony/polyfill-apcu 2016-01-14 18:42:51 +01:00
CONTRIBUTING.md fix missing links to https://symfony.com 2015-05-13 13:31:01 +02:00
CONTRIBUTORS.md update CONTRIBUTORS for 2.3.37 2016-01-14 10:14:40 +01:00
LICENSE Update copyright year 2016-01-01 23:53:47 -03:00
phpunit [travis] use github token to fetch deps from ZIP files 2015-12-29 18:02:08 +01:00
phpunit.xml.dist Always enable clock-mock for HttpFoundation 2015-11-25 19:15:39 +01:00
README.md Update README.md 2015-05-15 16:06:52 +02:00
UPGRADE-2.1.md Remove aligned '=>' and '=' 2014-10-26 08:30:58 +01:00
UPGRADE-2.2.md [Doc] Use Markdown syntax highlighting 2014-10-01 07:38:33 +02:00
UPGRADE-2.3.md [Doc] Use Markdown syntax highlighting 2014-10-01 07:38:33 +02:00
UPGRADE-3.0.md Typo fix 2016-01-12 18:16:37 +01:00

README

What is Symfony?

Symfony is a PHP 5.3 full-stack web framework. It is written with speed and flexibility in mind. It allows developers to build better and easy to maintain websites with PHP.

Symfony can be used to develop all kind of websites, from your personal blog to high traffic ones like Dailymotion or Yahoo! Answers.

Requirements

Symfony is only supported on PHP 5.3.3 and up.

Be warned that PHP versions before 5.3.8 are known to be buggy and might not work for you:

Installation

The best way to install Symfony is to use the official Symfony Installer. It allows you to start a new project based on the version you want.

Documentation

The "Quick Tour" tutorial gives you a first feeling of the framework. If, like us, you think that Symfony can help speed up your development and take the quality of your work to the next level, read the official Symfony documentation.

Contributing

Symfony is an open source, community-driven project. If you'd like to contribute, please read the Contributing Code part of the documentation. If you're submitting a pull request, please follow the guidelines in the Submitting a Patch section and use Pull Request Template.

Running Symfony Tests

Information on how to run the Symfony test suite can be found in the Running Symfony Tests section.