PHPackages zonuexe/functools - PHPackages - PHPackages [Skip to content](#main-content)[PHPackages](/)[Directory](/)[Categories](/categories)[Trending](/trending)[Leaderboard](/leaderboard)[Changelog](/changelog)[Analyze](/analyze)[Collections](/collections)[Log in](/login)[Sign up](/register) 1. [Directory](/) 2. / 3. [Utility & Helpers](/categories/utility) 4. / 5. zonuexe/functools ActiveLibrary[Utility & Helpers](/categories/utility) zonuexe/functools ================= Functional toolbox 0.2.0(10y ago)18511Apache-2.0PHP Since Jan 21Pushed 9y ago2 watchersCompare [ Source](https://github.com/zonuexe/php-functools)[ Packagist](https://packagist.org/packages/zonuexe/functools)[ RSS](/packages/zonuexe-functools/feed)WikiDiscussions master Synced 1mo ago READMEChangelogDependencies (7)Versions (8)Used By (0) Teto Functools ============== [](#teto-functools) [![Package version](https://camo.githubusercontent.com/f812d4b1edb1e5841b0fd9f20f9769045e2f6736fea79d90064f5fbcf2a04e45/687474703a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f7a6f6e756578652f66756e63746f6f6c732e7376673f7374796c653d666c6174)](https://packagist.org/packages/zonuexe/functools)[![Build Status](https://camo.githubusercontent.com/9a7e8dc94fa565cd481c40c6c1ed239fab323d0e4560e7afb98e86e8c5080976/68747470733a2f2f7472617669732d63692e6f72672f42616775657474655048502f46756e63746f6f6c732e7376673f6272616e63683d6d6173746572)](https://travis-ci.org/BaguettePHP/Functools)[![Packagist](https://camo.githubusercontent.com/19a4776901d0e09441a8fe215cf1926b42407785f1d2b5860da12db7ee22b910/687474703a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f7a6f6e756578652f66756e63746f6f6c732e7376673f7374796c653d666c6174)](https://packagist.org/packages/zonuexe/functools)[![Coverage Status](https://camo.githubusercontent.com/fc7fa86ad0fbd2db8f89dc192fc182145380e10520ed5a610d95363ab5df39d4/68747470733a2f2f636f766572616c6c732e696f2f7265706f732f42616775657474655048502f46756e63746f6f6c732f62616467652e737667)](https://coveralls.io/r/BaguettePHP/Functools) Functional toolbox for PHP Installation ------------ [](#installation) ### Composer [](#composer) ``` composer require zonuexe/functools ``` Features -------- [](#features) - `Functools\Operator` - Operator Expression wrapper - Binary operator `1 + 2` `$a === "abc"` `$date instanceof '\Datetime'` - Conditional operator `$cond ? $then : $else` - Lazy Conditional operator `$cond($v) ? $then($v) : $else($v)` ([thunk](http://en.wikipedia.org/wiki/Thunk)) - [Referential transparent](http://en.wikipedia.org/wiki/Referential_transparency_%28computer_science%29) version [sorting array functions](http://php.net/manual/array.sorting.php). - You can `array_map(f::op('ksort'), $arrays)` ! - Language-construct wrapper - `echo`, `print`, `eval`, `require`, `require_once`, `include`, `include_once` - limited support: `array`, `isset`, `empty` - `Functools::partial(callable $callback, array $arguments, int $pos)` - Partial application for [callable](http://php.net/manual/language.types.callable.php) (`arary_map` friendly) - `Functools::arity(callable $callback)` - Analyze [arity](http://en.wikipedia.org/wiki/Arity)(number of arguments) of `$callback`. - `Functools::curry(callable $callback)` - [Currying](http://en.wikipedia.org/wiki/Currying) `$callback` object. - `Functools::op(string $symbol, [array $arguments, int $pos])` - Get callable object (and partial application.) - `Functools::compose(callable $callback,...)` - [Function composition](http://en.wikipedia.org/wiki/Function_composition_%28computer_science%29). - `Functools::pipe(mixed $value, callable $callback...)` - [Pipeline](https://en.wikipedia.org/wiki/Pipeline_(Unix)) like functions composing - `Functools::tuple(mixed $item,...)` - Make n-[Tuple](http://en.wikipedia.org/wiki/Tuple). - `Functools::fix(callable $callback)` - [Anonymous recursion](http://en.wikipedia.org/wiki/Anonymous_recursion) ([fixed-point combinator](http://en.wikipedia.org/wiki/Fixed-point_combinator)) - `Functools::memoize(callable $callback, [array $cache])` - Function optimizer using [Memoization](https://en.wikipedia.org/wiki/Memoization). - This feature will help in optimization of transparent reference explicit definition equation. Iteration --------- [](#iteration) This library does not have iterator. You will be able to combine it by selecting a favorite of iterator library. - PHP [`array`](http://php.net/manual/language.types.array.php) and functions - [PHP: array\_map - Manual](http://php.net/manual/function.array-map.php) - [PHP: array\_reduce - Manual](http://php.net/manual/function.array-reduce.php) - [PHP: array\_filter - Manual](http://php.net/manual/function.array-filter.php) - [Underbar.php - A collection processing library for PHP, like Underscore.js.](http://emonkak.github.io/underbar.php/) - [emonkak/underbar.php](https://github.com/emonkak/underbar.php) - Ginq - [akanehara/ginq](https://github.com/akanehara/ginq) - nikic\\iter - [nikic/iter](https://github.com/nikic/iter) Usage ----- [](#usage) Japanese version: ### Short syntax [](#short-syntax) ``` use Teto\Functools as f; ``` ### f::partial() [](#fpartial) ``` $comma = f::partial("implode", [", "]); $comma(range(1, 10)); // "1, 2, 3, 4, 5, 6, 7, 8, 9, 10" $join_10 = f::partial("implode", [1 => range(1, 10)], 0); $join_10("@"); // "1@2@3@4@5@6@7@8@9@10" $join_10("\\"); => "1\\2\\3\\4\\5\\6\\7\\8\\9\\10" $sleep3 = f::partial("sleep", [3]); $sleep3(); $sleep3("foo"); // Error! $sleep3 = f::partial("sleep", [3], -1); $sleep3("foo"); // OK! ``` ### f::op() [](#fop) ``` $add = f::op("+"); $add(2, 3); // (2 + 3) === 5 $add_1 = f::op("+", [1]); $add_1(4); // (1 + 4) === 5 $half = f::op("/", [1 => 2], 0); $half(10); // (10 / 2) === 5 ``` ### f::tuple() [](#ftuple) ``` $teto = f::tuple("Teto Kasane", 31, "2008-04-01", "Baguette"); $ritsu = f::tuple("Ritsu Namine", 6, "2009-10-02", "Napa cabbage"); // index access $teto[0]; // "Teto Kasane" $teto[1]; // 31 $teto[2]; // "2008-04-01" $teto[3]; // "Baguette" // property access $tetop = f::tuple("name", "Teto Kasane", "age", 31, "birthday", "2008-04-01", "item", "Baguette"); $ritsup = f::tuple("name", "Ritsu Namine", "age", 6, "birthday", "2009-10-02", "item", "Napa cabbage"); $tetop->pget("name"); // "Teto Kasane" $tetop->pget("age"); // 31 $tetop->pget("birthday"); // "2008-04-01" $tetop->pget("item"); // "Baguette" ``` ### f::fix() [](#ffix) ``` $fib = f::fix(function ($fib) { return function ($x) use ($fib) { return ($x < 2) ? 1 : $fib($x - 1) + $fib($x -2); }; }); $fib(6); // 13 ``` ### f::memoize() [](#fmemoize) ``` // simple fibonacci function. But, very very slow. $fib1 = function ($n) use (&$fib1) { return ($n < 2) ? $n : $fib1($n - 1) + $fib1($n - 2); }; // simple fibonacci function too. very fast! $fib2 = f::memoize(function ($n) use (&$fib2) { return ($n < 2) ? $n : $fib2($n - 1) + $fib2($n - 2); }, [0, 1]); ``` Copyright --------- [](#copyright) see `./LICENSE`. ``` Functional toolbox Copyright (c) 2015 USAMI Kenta ``` Teto Kasane ----------- [](#teto-kasane) I love [Teto Kasane](http://utau.wikia.com/wiki/Teto_Kasane). (ja: [Teto Kasane official site](http://kasaneteto.jp/)) ``` 　　　　　 　r / 　 ＿＿ , --ヽ!-- .､＿ 　! 　｀/::::;::::ヽ l 　!二二!::／}::::丿ハﾆ| 　!ﾆニ.|:／　ﾉ／ }::::}ｺ 　L二lイ　　0´　0 ,':ﾉｺ 　lヽﾉ/ﾍ､ ''　▽_ノイ ソ 　ソ´ ／}｀ｽ /￣￣￣￣/ 　　　.(_:;つ/ 0401 /　ｶﾀｶﾀ ￣￣￣￣￣＼/＿＿＿＿/ ``` ### Health Score 29 — LowBetter than 60% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity17 Limited adoption so far Community9 Small or concentrated contributor base Maturity58 Maturing project, gaining track record Bus Factor1 Top contributor holds 100% 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 Every ~51 days Recently: every ~76 days Total 7 Last Release 3820d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/e1cc4bc1729b858086681a12494fda6cced8f26db3d0928ae4d81c68ddf8dc06?d=identicon)[zonuexe](/maintainers/zonuexe) --- Top Contributors [![zonuexe](https://avatars.githubusercontent.com/u/822086?v=4)](https://github.com/zonuexe "zonuexe (63 commits)") --- Tags functional-programmingphpfunctionalsortingmemoizationtuplecons ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/zonuexe-functools/health.svg) ``` [![Health](https://phpackages.com/badges/zonuexe-functools/health.svg)](https://phpackages.com/packages/zonuexe-functools) ``` ### Alternatives [lstrojny/functional-php Functional primitives for PHP 2.0k7.3M48](/packages/lstrojny-functional-php)[nikic/iter Iteration primitives using generators 1.1k5.9M38](/packages/nikic-iter)[kyslik/column-sortable Package for handling column sorting in Laravel 6.x 6485.6M21](/packages/kyslik-column-sortable)[mottie/tablesorter tablesorter (FORK) is a jQuery plugin for turning a standard HTML table with THEAD and TBODY tags into a sortable table without page refreshes. tablesorter can successfully parse and sort many types of data including linked data in a cell. 2.6k223.5k](/packages/mottie-tablesorter)[lambdish/phunctional λ PHP functional library 3612.0M23](/packages/lambdish-phunctional)[ihor/nspl Non-standard PHP library (NSPL) - functional primitives toolbox and more 381368.5k](/packages/ihor-nspl) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)