codice a blocchi

	A	B	C	D	H
1	codice a blocchi				codice php
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4		<?php			http://www.html.it/pag/16708/un-contatore-di-visite-personalizzato/
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8	interface DataProvider
9		public function storeVisits($visits);
10		public function readVisits();
11	class FileDataProvider implements DataProvider
12		const FILE_PATH = ‘counter.txt’;
13		private $fp;
14		public function __construct()
15			if(!file_exists(FileDataProvider::FILE_PATH))
16				$fp = fopen(FileDataProvider::FILE_PATH, ‘w+’);
17				write($fp, ‘0’);
18				fclose($fp);
19			$this->fp = fopen(FileDataProvider::FILE_PATH, ‘r+’);
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