probability selector php

Pemilih Probabilitas PHP

Manajer Seleksi untuk memilih elemen berikutnya untuk digunakan dari sumber data berdasarkan distribusi pilihan yang seragam.

Iterasi yang tak terbatas

 use Smoren  ProbabilitySelector  ProbabilitySelector ;

$ ps = new ProbabilitySelector ([
    // data     // weight  // initial usage counter
    [ ' first ' ,   1 ,         0 ],
    [ ' second ' ,  2 ,         0 ],
    [ ' third ' ,   3 ,         4 ],
]);

foreach ( $ ps as $ datum ) {
    echo "{ $ datum } , " ;
}
// second, second, first, second, third, third, second, first, third, second, third, third, second, first, third, ... 

Batas dan ekspor iterasi

 use Smoren  ProbabilitySelector  ProbabilitySelector ;

$ ps = new ProbabilitySelector ([
    // data     // weight
    [ ' first ' ,   1 ],
    [ ' second ' ,  2 ],
]);
foreach ( $ ps -> getIterator ( 6 ) as $ datum ) {
    echo "{ $ datum } , " ;
}
// second, second, first, second, second, first

print_r ( $ ps -> export ());
/*
[
    ['first',  1, 2],
    ['second', 2, 4],
]
 */ 

Keputusan tunggal

 use Smoren  ProbabilitySelector  ProbabilitySelector ;

$ ps = new ProbabilitySelector ([
    // data     // weight
    [ ' first ' ,   1 ],
    [ ' second ' ,  2 ],
]);
$ ps -> decide (); // second
$ ps -> decide (); // second
$ ps -> decide (); // first 

Pengujian unit

 composer install
composer test-init
composer test

Standar

PHP Probability Selector sesuai dengan standar berikut:

• PSR-1-Standar Pengodean Dasar
• PSR-4-Autoloader
• PSR-12-Panduan Gaya Pengodean Diperpanjang

Lisensi

PHP Probability Selector dilisensikan di bawah lisensi MIT.