kanellov / memoize
A simple memoization function
0.1.0
2015-03-16 10:29 UTC
Requires
- php: >=5.3.0
Requires (Dev)
- funkatron/funit: 0.6.0
This package is not auto-updated.
Last update: 2024-11-09 17:56:01 UTC
README
A simple memoization function
Installation
Install composer in your project:
curl -s https://getcomposer.org/installer | php
Create a composer.json file in your project root:
{
"require": {
"kanellov/memoize": "dev-master"
}
}
Install via composer:
php composer.phar install
Add this line to your application’s index.php file:
<?php require 'vendor/autoload.php';
System Requirements
You need PHP >= 5.3.0.
Example
<?php require 'vendor/autoload.php'; function benchmark($name, $runs, $function) { $start = microtime(true); while ($runs--) { $function(); } $end = microtime(true); return sprintf('%s: %s', $name, ($end - $start)) . PHP_EOL; } function heavyCalc($varA, $varB) { usleep(100); return $varA + $varB; } $memoized = Knlv\memoize('heavyCalc'); echo benchmark('heavyCalc(1, 2)', 100, function() { heavyCalc(1, 2); }); echo benchmark('Memoized heavyCalc(1, 2)', 100, function () use (&$memoized) { $memoized(1, 2); }); /* heavyCalc(1, 2): 0.016629219055176 Memoized heavyCalc(1, 2): 0.001600980758667 */