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[Utility & Helpers](/categories/utility) 4. / 5. danack/fnbind ActivePhp-ext[Utility & Helpers](/categories/utility) danack/fnbind ============= Allows defining a function from a closure. 0.9.0(7mo ago)130PHPPHP >=7.4 Since Oct 5Pushed 7mo agoCompare [ Source](https://github.com/Danack/fnbind)[ Packagist](https://packagist.org/packages/danack/fnbind)[ RSS](/packages/danack-fnbind/feed)WikiDiscussions main Synced 1mo ago READMEChangelogDependenciesVersions (3)Used By (0) [Runkit7](https://github.com/fnbind/fnbind): Independent fork of fnbind for PHP 7.2+ ==================================================================================== [](#runkit7-independent-fork-of-fnbind-for-php-72) For all those things you.... probably shouldn't have been doing anyway.... but surely do! **Supports PHP7.2-8.1!** (function/method manipulation is recommended only for unit testing, but all other functionality works.) - Function/method manipulation crashes in PHP 7.4+ when opcache is enabled (e.g. `opcache.enable_cli`) ([Issue #217](https://github.com/fnbind/fnbind/issues/217)) Disabling opcache is the recommended workaround. - This has been tested with php 8.2.0beta1 [![Build Status](https://github.com/fnbind/fnbind/actions/workflows/main.yml/badge.svg?branch=master)](https://github.com/fnbind/fnbind/actions/workflows/main.yml?query=branch%3Amaster)[![Build Status (Windows)](https://camo.githubusercontent.com/9ad8e745850b1fb6d00fabf077ec238cfd20d21d343ebe44c3ca395374cdc7a2/68747470733a2f2f63692e6170707665796f722e636f6d2f6170692f70726f6a656374732f7374617475732f336a7773663736676530796f387637342f6272616e63682f6d61737465723f7376673d74727565)](https://ci.appveyor.com/project/TysonAndre/fnbind/branch/master) [Building and installing fnbind in unix](#building-and-installing-fnbind-in-unix) [Building and installing fnbind in Windows](#building-and-installing-fnbind-in-windows) This extension's documentation is available at . Compatibility: PHP7.2 to PHP 8.1 -------------------------------- [](#compatibility-php72-to-php-81) **See [fnbind-api.php](./fnbind-api.php) for the implemented functionality and method signatures.** New functionality was added to support usage with PHP7. - This adds the ability to set return types (including nullable return types) on added/redefined functions. - This adds the ability to set `declare(strict_types=1)` on added/redefined functions. Class and function manipulation is recommended only for unit tests. - Manipulating user-defined (i.e. not builtin or part of extensions) functions and methods via `fnbind_method_*` and `fnbind_function_*` generally works, **but is recommended only in unit tests** (unlikely to crash, but will cause memory leaks) The following contributions are welcome: - Fixes and documentation. #### Implemented APIs for PHP7 [](#implemented-apis-for-php7) NOTE: Most `fnbind_*()` functions have aliases of `fnbind_*()`. - `fnbind_function_*`: Most tests are passing. There are some memory leaks when renaming internal functions. ### FURTHER WORK [](#further-work) See ### Contributing [](#contributing) See [CONTRIBUTING.md](./CONTRIBUTING.md) for guidelines on issues and pull requests, as well as links to resources that are useful for php7 module and fnbind development. UPSTREAM DOCUMENTATION ====================== [](#upstream-documentation) [fnbind](https://github.com/danack/fnbind) is derived , but with most of the functionality stripped out apart from binding closure to a function name. Features ======== [](#features) It allows you to bind a Closure to be called as a function. Example: ``` class Bar { function quux() { echo "Hello world!\n"; } } $bar = new Bar(); $bar->quux(...); fnbind_add_closure('foo', $bar->quux(...)); foo(); // Output is "Hello world!" ``` Because sometimes, dependency injection is overkill, but you still want to be able to configure how a function behaves. Installation ============ [](#installation) ### BUILDING AND INSTALLING FNBIND IN UNIX [](#building-and-installing-fnbind-in-unix) `pecl install fnbind` can be used to install [fnbind releases published on PECL](https://pecl.php.net/package/fnbind). Tarballs can be downloaded from [PECL](https://github.com/fnbind/fnbind/releases) or [GitHub](https://github.com/fnbind/fnbind/releases). An example of how to build the latest master branch from source is below: ``` git clone https://github.com/fnbind/fnbind.git cd fnbind phpize # The sandbox related code and flags have been removed, no need to disable them. # (--enable-fnbind-modify (on by default) controls function, method, class, manipulation, and will control property manipulation) # (--enable-fnbind-super (on by default) allows you to add custom superglobals) # ./configure --help lists available configuration options. ./configure make make test sudo make install ``` ### BUILDING AND INSTALLING FNBIND IN WINDOWS [](#building-and-installing-fnbind-in-windows) #### Setting up php build environment [](#setting-up-php-build-environment) Read [https://wiki.php.net/internals/windows/stepbystepbuild\_sdk\_2](https://wiki.php.net/internals/windows/stepbystepbuild_sdk_2) and [https://wiki.php.net/internals/windows/stepbystepbuild\_sdk\_2#building\_pecl\_extensions](https://wiki.php.net/internals/windows/stepbystepbuild_sdk_2#building_pecl_extensions) first. This is just a special case of these instructions. For PHP7.2+, you need to install "Visual Studio 2017 Community Edition" (or other 2017 edition). For PHP8.0+, you need to install "Visual Studio 2019 Community Edition" (or other 2019 edition). Make sure that C++ is installed with Visual Studio. The command prompt to use is "VS2017 x86 Native Tools Command Prompt" on 32-bit, "VS2017 x64 Native Tools Command Prompt" on 64-bit. - Note that different visual studio versions are needed for different PHP versions. For PHP 8.0+, use Visual Studio 2019 and vs16 instead. For 64-bit installations of php7, use "x64" instead of "x86" for the below commands/folders. After completing setup steps mentioned, including for `C:\php-sdk\phpdev\vc14` extract download of php-7.4.11-src (or any version of php 7) to C:\\php-sdk\\phpdev\\vc15\\x86\\php-7.4.11-src #### Installing fnbind on windows [](#installing-fnbind-on-windows) There are currently no sources providing DLLs of this fork. Runkit7 and other extensions used must be built from source. Create subdirectory C:\\php-sdk\\phpdev\\vc14\\x86\\pecl, adjacent to php source directory) extract download of fnbind to C:\\php-sdk\\phpdev\\vc14\\x86\\pecl\\fnbind (all of the c files and h files should be within fnbind) Then, execute the following (Add `--enable-fnbind` to the configure flags you were already using) ``` cd C:\php-sdk C:\php-sdk\bin\phpsdk_setvars.bat cd phpdev\vc15\x86\php-7.4.11\src buildconf configure --enable-fnbind nmake ``` Then, optionally test it (Most of the tests should pass, be skipped, or be known failures.): ``` nmake test TESTS="C:\php-sdk\vc14\x86\pecl\fnbind\tests ``` ### Health Score 29 — LowBetter than 59% of packages Maintenance63 Regular maintenance activity Popularity11 Limited adoption so far Community15 Small or concentrated contributor base Maturity26 Early-stage or recently created project Bus Factor1 Top contributor holds 70% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Unknown Total 1 Last Release 225d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/9db967c6005625e444a502fb830a30669b9fed53bfbc67e81a054508c0975a6b?d=identicon)[Danack](/maintainers/Danack) --- Top Contributors [![TysonAndre](https://avatars.githubusercontent.com/u/1904430?v=4)](https://github.com/TysonAndre "TysonAndre (436 commits)")[![zenovich](https://avatars.githubusercontent.com/u/135378?v=4)](https://github.com/zenovich "zenovich (140 commits)")[![Danack](https://avatars.githubusercontent.com/u/1505719?v=4)](https://github.com/Danack "Danack (21 commits)")[![TysonAndre-tmg](https://avatars.githubusercontent.com/u/110992834?v=4)](https://github.com/TysonAndre-tmg "TysonAndre-tmg (10 commits)")[![tony2001](https://avatars.githubusercontent.com/u/42386?v=4)](https://github.com/tony2001 "tony2001 (7 commits)")[![TysonAndre-ContinuousIntegration](https://avatars.githubusercontent.com/u/20032915?v=4)](https://github.com/TysonAndre-ContinuousIntegration "TysonAndre-ContinuousIntegration (2 commits)")[![sgolemon](https://avatars.githubusercontent.com/u/812538?v=4)](https://github.com/sgolemon "sgolemon (2 commits)")[![nateabele](https://avatars.githubusercontent.com/u/18288?v=4)](https://github.com/nateabele "nateabele (1 commits)")[![davidsteinsland](https://avatars.githubusercontent.com/u/125661?v=4)](https://github.com/davidsteinsland "davidsteinsland (1 commits)")[![remicollet](https://avatars.githubusercontent.com/u/270445?v=4)](https://github.com/remicollet "remicollet (1 commits)")[![tototoshi](https://avatars.githubusercontent.com/u/264469?v=4)](https://github.com/tototoshi "tototoshi (1 commits)")[![egifford](https://avatars.githubusercontent.com/u/6719688?v=4)](https://github.com/egifford "egifford (1 commits)") ### Embed Badge ![Health badge](/badges/danack-fnbind/health.svg) ``` [![Health](https://phpackages.com/badges/danack-fnbind/health.svg)](https://phpackages.com/packages/danack-fnbind) ``` PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)