};
break;
case 'RSHIFT':
$this->functions[$wire] = function () use($parts) {
$value = $this->getValue($parts[0]) >> $this->getValue($parts[2]);
if (0 > $value) {
$value += 65536;
}
return $value;
};
break;
}
}
}
$handle = fopen("input.txt", "r");
$wires = new Wires();
if ($handle) {
while (($line = fgets($handle)) !== false) {
list($command, $wire) = explode(' -> ', trim($line));
$wires->add($wire, $command);
}
fclose($handle);
}
$allWires = $wires->getFunctions();
// Get the Signal of wire 'a'
$signalOfA = $allWires['a']();
// Reset all the calculated values
$wires->reset();
// Add a new wire 'b' with the signal of wire 'a'
$wires->add('b', $signalOfA);
// Get all the created functions again and calculate the signal of wire 'a'
<?php
/**
* Example #1 file demonstrating Wires
* This example shows binding a parameter name to a class,
* binding a parameter name to a value and context inheritance
*/
require_once dirname(__FILE__) . '/../../Wires.php';
$bindings = array('_global' => array('ExampleBase' => 'Example'), 'ExampleBase' => array('a' => array('class' => 'stdClass')), 'Example' => array('b' => array('value' => 42)));
abstract class ExampleBase
{
function __construct($a)
{
$this->a = $a;
}
}
class Example extends ExampleBase
{
function __construct($a, $b)
{
parent::__construct($a);
$this->b = $b;
}
}
$i = Wires::getInjector($bindings);
$ex = $i->create('ExampleBase');
assert('$ex instanceof Example');
assert('$ex->a instanceof stdClass');
assert('$ex->b == 42');
$this->functions[$wire] = function () use($parts) {
$value = $this->getValue($parts[0]) << $this->getValue($parts[2]);
if (0 > $value) {
$value += 65536;
}
return $value;
};
break;
case 'RSHIFT':
$this->functions[$wire] = function () use($parts) {
$value = $this->getValue($parts[0]) >> $this->getValue($parts[2]);
if (0 > $value) {
$value += 65536;
}
return $value;
};
break;
}
}
}
$handle = fopen("input.txt", "r");
$wires = new Wires();
if ($handle) {
while (($line = fgets($handle)) !== false) {
list($command, $wire) = explode(' -> ', trim($line));
$wires->add($wire, $command);
}
fclose($handle);
}
$allWires = $wires->getFunctions();
echo 'Wire "A" has signal: ' . $allWires['a']() . PHP_EOL;
