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<?php
 /**
 * Phpiwire: A PHP wrapper for wiringPi
 *
 * Part of the ajax example - setting pins
 *
 * @author Andrew Collington, [email protected]
 * @version 0.2.0
 * @link https://github.com/amnuts/phpiwire
 * @license MIT, http://acollington.mit-license.org/
 */
 
 namespace Phpiwire;
 
 $pins = [0, 0, 0];
 
 $pi = new Board();
 
 if (!isset($argv[1]) || !isset($argv[2])) {
 echo json_encode(['error' => 'Incorrect number of parameters']);
 } else if ($argv[1] < 0 || $argv[1] > 3) {
 echo json_encode(['error' => 'Incorrect pin numbers selected - only 0-3 valid']);
 } else {
 foreach ($pins as $pin => $val) {
 $p = $pi->getPin($pin)->mode(Pin::OUTPUT);
 if ($pin == $argv[1]) {
 $p->write((bool)$argv[2] ? Pin::HIGH : Pin::LOW);
 }
 $pins[$pin] = $p->read();
 }
 echo json_encode($pins);
 }
 
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