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Package php-future
Short Description Polyfill new (5.6+) features into old (5.4+) versions of PHP
License MIT
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Informations about the package php-future
php-future
This library backports some new features into old versions of PHP.
This MIT Licensed project is produced and maintained for the good of the PHP developer community.
WARNING ABOUT APPLICATION SECURITY
This should ONLY be used in the case that you cannot upgrade PHP for specific reasons within your business rules. For best application security you should always run the latest version of PHP where ever possible. This is intended as a stop gap for those that cannot upgrade and can be used while working toward upgrading to the latest version.
ATTENTION PHP 5.2 / 5.3 USERS
As a general rule, we do not provide support for any unsupported versions of PHP. This means 5.4.x as of this writing.
If your operating system supports a 5.3.x version that is EOL'd (e.g. PHP 5.3.10 on Ubuntu 12.04 has security fixes backported), we will make exceptions. The purpose of this library is not to encourage complacency and insecurity. Patch your systems.
We do not support PHP 5.2.x anywhere. Please upgrade to a newer version of PHP.
Features polyfilled by this library
- PHP 5.4
- N/A
- PHP 5.5
array_column()boolval()hash_pbkdf2()openssl_pbkdf2()
- PHP 5.6
hash_equals()
- PHP 7.0
- N/A
See an email and we'll consider it for inclusion.
Out of scope:
- Password API - Go directly to https://github.com/ircmaxell/password_compat for these implementations
password_hash()password_verify()
- PHP 7 CSPRNG - Go directly to https://github.com/paragonie/random_compat for these implementations
random_bytes()random_int()
Why?
When our consultants submit security enhancements to open source projects, the maintainers sometimes complain that some features are only in newer versions of PHP so they can't require them. We wrote this to provide compatibility across all versions of PHP and prevent these issues from occurring.
In the future, we will attempt to backport some PHP 7 features for use in versions 5.5 and 5.6, where possible.
How it Works
Features that only exist in future versions are exposed in the global namespace.
These functions call the appropriate classes/methods from the src folder. This
ensures that PHP only load the codes when it actually needs it.
How to use this library
Composer
Any script
Just include our autoload.php script outside of our src directory and you're
good to go. For example:
All versions of php-future with dependencies
paragonie/sodium_compat Version ^1|^2
ircmaxell/password_compat Version ^1.0