private function nextTick()
{
$this->future->rewind();
while ($this->future->valid() && ($task = $this->future->current())) {
if (!$task->isBlocked() || !$task->isStarted()) {
$this->tick->enqueue($task);
$this->future->offsetUnset($this->future->key());
$this->future->prev();
}
$this->future->next();
}
}
/**
* Retrieve the maintenance task entry, from unique identfier
* @param $maintenanceTaskEntryIdentifier Identifier to locate entry
* @return mixed|null Returns the maintenance task entry or null on error
* @throws InvalidArgumentException if the provided argument is not set or of correct type
*/
public function retrieveMaintenanceTaskEntry($maintenanceTaskEntryIdentifier)
{
if (!isset($maintenanceTaskEntryIdentifier)) {
//argument check
throw new InvalidArgumentException("Missing Argument");
} else {
if (!is_numeric($maintenanceTaskEntryIdentifier)) {
//argument check
throw new InvalidArgumentException("maintenanceTaskEntryIdentifier is not a number");
}
}
if ($this->maintenanceTaskList->isEmpty()) {
//if list is empty, unable to return entry
return null;
} else {
$this->maintenanceTaskList->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
//set iteration FIFO
for ($this->maintenanceTaskList->rewind(); $this->maintenanceTaskList->valid(); $this->maintenanceTaskList->next()) {
if ($this->maintenanceTaskList->current()->getTaskEntryIdentifier() == $maintenanceTaskEntryIdentifier) {
//if entry identifier matches supplied identifier
return $this->maintenanceTaskList->current();
}
//return the matching entry
}
}
return null;
//entry with given identifier not found
}
/**
* Dispatch
* @return mixed
*/
private function dispatch()
{
// for each route
for (; $this->routes->valid(); $this->routes->next()) {
$route = $this->routes->current();
// if method is OK
if (strtoupper($route['method']) === $this->method || $route['method'] === '*') {
$regex = $this->normalizeRegex($route['path']);
// if path is OK
if (preg_match("@^{$regex}@", $this->uri, $matches)) {
$callback = $route['callback'];
$req = new \ArrayObject();
$req->params = (object) $matches;
$req->uri = $this->uri;
$req->path = $this->path;
$req->query = $this->query;
if ($this->method !== 'GET') {
if (!isset($data)) {
parse_str(file_get_contents("php://input"), $data);
}
$req->body = $data;
}
$that = $this;
$next = function () use($that) {
$that->routes->next();
$that->dispatch();
};
return $callback($req, $next);
}
}
}
}
public function __construct()
{
$listLink = new SplDoublyLinkedList();
$listLink->push('Albin');
$listLink->push('to');
$listLink->push('the');
$listLink->push('interface;');
$listLink->push('not');
$listLink->push('the');
$listLink->push('Sandi');
echo "<strong>Free good advice :</strong><br />";
$listLink->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
for ($listLink->rewind(); $listLink->valid(); $listLink->next()) {
echo $listLink->current() . " ";
}
echo "<br /><br /><strong>Yoda talk: last in first out:</strong><br />";
$listLink->setIteratorMode(SplDoublyLinkedList::IT_MODE_LIFO);
for ($listLink->rewind(); $listLink->valid(); $listLink->next()) {
echo $listLink->current() . " ";
}
}
$list->current(); // top() // 返回最后一个节点的值 $list->top(); // bottom() // 返回第一个节点的值 $list->bottom(); // next() // 指针移到下一个节点 $list->next(); // prev() // 指针移到上一个节点, 如果原本指针在第一个，那么前一个节点为-1，并且将无法获得当前值 $list->prev(); // valid() // 判断该链表是否有更多的值，返回bool $list->valid(); // isEmpty() // 判断该链表是否为空链表，返回bool $list->isEmpty(); // offsetExists($index) // 判断参索引是否存在，返回bool $list->offsetExists(2); // offsetGet($index) // 返回参数索引的节点值 $list->offsetGet(2); // offsetSet($index, $newValue) // 设置参数索引的节点值, $index必须在链表的键范围中。 // 当一个节点用offsetUnset删掉时时，并不能用offsetSet重新给已删掉的节点设置值，只能对当前可见的节点的值进行修改 $list->offsetSet(3, 'value6'); // offsetUnset($index) // 删除参数索引的节点
<?php
$listPasilloSession = unserialize($_SESSION['listPasillo']);
$listPasilloTP = $listPasilloSession->offsetGet($_GET['pas']);
$listPa = $listPasilloTP->getTypeProducts();
$listProducts2 = $listPa->offsetGet($_GET['type']);
$listProducts3 = $listProducts2->getListProduct();
$listProductsTP2 = $listProducts3->offsetGet($_GET['prods']);
$listProducts = $listProductsTP2->getListProducts();
$listPila = new SplDoublyLinkedList();
$listProducts->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
for ($listProducts->rewind(); $listProducts->valid(); $listProducts->next()) {
$data = $listProducts->current();
$listPila->push($data);
}
$listPila->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
for ($listPila->rewind(); $listPila->valid(); $listPila->next()) {
$dataPila = $listPila->current();
?>
<tr>
<td class="center"><?php
echo $dataPila->getIdProduct();
?>
</td>
<td><?php
echo $dataPila->getProduct();
?>
</td>
<td class="center">
<?php
if ($_SESSION['admin'] == 1) {
?>
<?php
$a = new SplDoublyLinkedList();
$a->push(1);
$a->push(2);
$a->push(3);
$a->rewind();
while ($a->valid()) {
var_dump($a->current(), $a->next());
}
?>
===DONE===
$dlanguages->push(['Languages', 'Uses', 'Ranking']);
$dlanguages->push(['C++', 'computing', 99.59999999999999]);
$dlanguages->push(['C', 'computing', 99.90000000000001]);
$dlanguages->push(['Java', 'application', 100]);
$dlanguages->push(['C#', 'application', 91.8]);
$dlanguages->push(['Python', 'application', 95.8]);
$dlanguages->push(['PHP', 'web', 84.5]);
$dlanguages->push(['Perl', 'web', 66.90000000000001]);
$dlanguages->push(['R', 'computing', 84.7]);
$dlanguages->push(['Ruby', 'web', 75.3]);
$dlanguages->push(['VB.NET', 'application', 63.4]);
$dlanguages->push(['Javascript', 'web', 83]);
$dlanguages->push(['Matlab', 'computing', 72.40000000000001]);
echo "\nDOUBLY LINK LIST LOOP: FIFO\n";
$dlanguages->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
for ($dlanguages->rewind(); $dlanguages->valid(); $dlanguages->next()) {
echo $dlanguages->current()[0] . "\n";
echo $dlanguages->current()[1] . "\n";
echo $dlanguages->current()[2] . "\n";
}
/* FIXED ARRAY */
$fdatabases = new SplFixedArray(11);
$fdatabases[0] = ['Databases', 'Type', 'Size', 'Ranking'];
$fdatabases[1] = ['Oracle', 'Proprietary', 'Server', 1497.55];
$fdatabases[2] = ['SQL Server', 'Proprietary', 'Server', 1123.16];
$fdatabases[3] = ['PostgreSQL', 'Open-Source', 'Server', 280.09];
$fdatabases[4] = ['MySQL', 'Open-Source', 'Server', 1298.54];
$fdatabases[5] = ['DB2', 'Proprietary', 'Server', 196.13];
$fdatabases[6] = ['SQLite', 'Open-Source', 'File', 100.85];
$fdatabases[7] = ['MS Access', 'Proprietary', 'File', 140.21];
$fdatabases[8] = ['SAP Sybase', 'Proprietary', 'Server', 81.47];
/**
* (PHP 5 >= 5.1.0)
* Checks if current position is valid
*
* @link http://php.net/manual/en/iterator.valid.php
* @return boolean The return value will be casted to boolean and then evaluated.
*/
public function valid()
{
return $this->storage->valid();
}
print "<a style = \"float:right\" href=\"logout.php\">Logout </a><br>";
print "<a href = \"javascript: changeAvatar('userExtenPanel');\"><img id = \"userAvatar\" class = \"userAvatar\" src = \"/picsUploads/" . $avatar . "\"></a><br>";
print "<a href = \"javascript: changeAvatar('userExtenPanel');\"> Choose Avatar</a><br>";
print "</div>";
print "<div id = \"userTrvHistPanel\" class = \"userTrvHistPanel\">";
if (isset($_SESSION['loginId']) && $_SESSION['loginId'] !== "admin") {
print "Travel History\t\t<a href = \"javascript: updateUserInfo('clearHist');\">Clear</a>";
if (isset($travelHistList)) {
//prints the labels for the travel history table
print "<table border='0px'>";
print "<tr>";
print "<td style= 'color:#CC0000; font-weight:bold'>Departing Airport\t\t\t\t\t\t\t</td>";
print "<td style= 'color:#CC0000; font-weight:bold'>Arrival Airport\t\t\t\t\t\t\t\t</td>";
print "<td style= 'color:#CC0000; font-weight:bold'>Date Traveled \t</td>";
print "<td style= 'color:#CC0000; font-weight:bold'>Leased Model\t\t\t\t\t\t\t</td>";
print "</tr>";
for ($travelHistList->rewind(); $travelHistList->valid(); $travelHistList->next()) {
print "<tr><td>" . $travelHistList->current()->depart . "</td><td>" . $travelHistList->current()->arrive . "</td><td>" . $travelHistList->current()->travelDate . "</td><td>" . $travelHistList->current()->leasedModel . "</td></tr>";
}
print "</table></font>";
} else {
print "Error loading travel history table";
}
}
print "</div>";
print "</div>";
print "</font>";
print "</div>";
print "<script>saveTrvHist();</script>";
print "<label id = \"xmlRespondFeedback\" style = \"visibility:hidden;\"></label>";
include "tailHTML.html";
<?php
$list = new SplDoublyLinkedList();
$list->push('a');
$list->add(1, 'e');
$list->push('b');
$list->push('c');
$list->push('d');
$list->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
$list->rewind();
while ($list->valid()) {
echo $list->current(), "\n";
$list->next();
}
$planeWaitList = unserialize($row['planeWaitList']);
$airport = $row['airport'];
if ($planeWaitList != NULL) {
for ($planeWaitList->rewind(); $planeWaitList->valid(); $planeWaitList->next()) {
$memberWaitList = $planeWaitList->current();
$plane = $memberWaitList->offsetGet(0);
//we're only interested in the first element of the list, since the first element of the memberWaitList is the model of the plane
for ($memberWaitList->rewind(); $memberWaitList->valid(); $memberWaitList->next()) {
$member = $memberWaitList->current();
$positionInLine = $memberWaitList->key();
if ($member == $_SESSION['loginId']) {
preg_match('/^[^,]*/', $airport, $matches);
// put the * back before the /
if ($matches) {
$elemExist = 0;
for ($tempBfr->rewind(); $tempBfr->valid(); $tempBfr->next()) {
if ($tempBfr->current() == "<tr><td>" . $positionInLine . "</td><td>" . $plane . "</td><td>" . $matches[0] . "</td></tr>") {
$elemExist = 1;
}
}
if (!$elemExist) {
$tempBfr->push("<tr><td>" . $positionInLine . "</td><td>" . $plane . "</td><td>" . $matches[0] . "</td></tr>");
}
} else {
$elemExist = 0;
for ($tempBfr->rewind(); $tempBfr->valid(); $tempBfr->next()) {
if ($tempBfr->current() == "<tr><td>" . $positionInLine . "</td><td>" . $plane . "</td><td>" . $airport . "</td></tr>") {
$elemExist = 1;
}
}
if (!$elemExist) {
/**
* Check whether the list contains more tokens.
*
* @return bool True if the list contains any more tokens, false otherwise.
* @link http://www.php.net/manual/en/spldoublylinkedlist.valid.php
*/
public function valid()
{
return $this->tokens->valid();
}
