koktut/php-memoize

Memoization functions result

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dev-master 2020-10-09 09:59 UTC

Requires (Dev)

• codeclimate/php-test-reporter: dev-master
• mikey179/vfsstream: ~1
• phpunit/phpunit: *
• squizlabs/php_codesniffer: 2.*

MIT

• Maxim Sobin

• memoize

README

Implementation of memoization on PHP

Install

composer require koktut/php-memoize

Usage

use \PhpMemo\MemoryCache;
use \PhpMemo\DiskCache;

$slowFunction = function ($val1, $val2) {
    // do something slow
    sleep(1);

    return $val1 + $val2;
};

$memo = new MemoryCache();              // or $memo = new DiskCache(sys_get_temp_dir());
$func= $memo->memoize($slowFunction);

// first call
echo $func(1, 2) . ' ' . sprintf("%f\n", $memo->getLastOpTime());   // 3 1.000000

// second call
echo $func(1, 2) . ' ' . sprintf("%f\n", $memo->getLastOpTime());   // 3 0.000000