PHP code example of clippings / freezable

1. Go to this page and download the library: Download clippings/freezable library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

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

clippings / freezable example snippets

 php


use Clippings\Freezable\FreezableTrait;

class Item {

    use FreezableTrait;

    private $value = NULL;

    public function performFreeze()
    {
        $this->value = $this->computeValue();
    }

    public function performUnfreeze()
    {
        $this->value = NULL;
    }

    private function computeValue()
    {
        // computation from external sources, database, other objects etc.
        return pi() * pi();
    }

    public function getValue()
    {
        return $this->isFrozen() ? $this->value : $this->computeValue();
    }
}