PHP code example of anarchitecture / pipe

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

anarchitecture / pipe example snippets

use Anarchitecture\pipe as p;

$a = range(1, 8)
    |> p\array_map(fn ($x) => $x ** $x)
    |> p\array_chunk(4)
    |> p\array_map(array_sum(...));

// [288, 17650540]

use Anarchitecture\pipe as p;

p\array_map(fn ($x) => $x * 2);
// fn (array $input) => array_map(fn ($x) => $x * 2, $input)

use Anarchitecture\pipe as p;

// numeric keys => positional
$out1 = [10 => "a", 20 => "b", 30 => "c"]
    |> p\apply(fn (string $a, string $b, string $c) => $a . $b . $c);

// "abc"

// string keys => named
$out2 = ["b" => 2, "a" => 1]
    |> p\apply(fn (int $a, int $b) => $a - $b);

// -1

use Anarchitecture\pipe as p;

$out = "  Hello  "
    |> p\when(is_string(...), trim(...))
    |> p\when(p\equals("Hello"), p\value("bye"));

// "bye"

use Anarchitecture\pipe as p;

$out = "Hello"
    |> p\if_else(
        p\equals("Hello"),
        p\value("bye"),
        p\value("unknown")
    );

// "bye"

use Anarchitecture\pipe as p;

$result = 0
    |> p\iterate(static fn(int $x) : int => $x + 1)
    |> p\iterable_take(4)
    |> p\collect(...);

// [0, 1, 2, 3]

use Anarchitecture\pipe as p;

$sumPairs = [[6, 7, 8], [10, 20, 30]]
    |> p\zip_map(fn ($a, $b) => $a + $b);

// [16, 27, 38]

use Anarchitecture\pipe as p;

$user = [
    'id' => 123,
    'email' => '[email protected]',
    'password_hash' => '...',
];

$public = $user
    |> p\array_dissoc('password_hash');

// ['id' => 123, 'email' => '[email protected]']

use Anarchitecture\pipe as p;

$out = "  Hello  "
    |> trim(...)
    |> p\tap(\var_dump(...))      // debug
    |> strtoupper(...);

// prints "Hello", returns "HELLO"

use Anarchitecture\pipe as p;

$matrix = [
    [1, 2, 3],
    [4, 5, 6],
];

$t = $matrix
    |> p\array_transpose();

// [
//  [1, 4],
//  [2, 5],
//  [3, 6]
//]

use Anarchitecture\pipe as p;

$matrix = [
    'r1' => ['a' => 1, 'b' => 2],
    'r2' => ['a' => 3, 'c' => 4],
];

$t = $matrix
    |> p\array_transpose();

// [
//   'a' => ['r1' => 1,    'r2' => 3],
//   'b' => ['r1' => 2,    'r2' => null],
//   'c' => ['r1' => null, 'r2' => 4],
// ]

use Anarchitecture\pipe as p;

$result = [1, 2]
    |> p\iterable_zip([10, 20], [100, 200])
    |> p\collect(...);

// [
//  [1, 10, 100],
//  [2, 20, 200]
//]

use Anarchitecture\pipe as p;

// linear (default): full windows only, no wraparound
$linear = [1, 2, 3, 4, 5, 6]
    |> p\iterable_window(3)
    |> p\collect(...);

// [
//   [1, 2, 3],
//   [2, 3, 4],
//   [3, 4, 5],
//   [4, 5, 6],
// ]

// circular: adds the boundary-crossing windows (end -> start)
$circular = [0, 1, 2, -2, -1]
    |> p\iterable_window(size: 4, circular: true)
    |> p\collect(...);

// [
//   [0, 1, 2, -2],
//   [1, 2, -2, -1],
//   [2, -2, -1, 0],
//   [-2, -1, 0, 1],
//   [-1, 0, 1, 2],
// ]