zookeeper_dispatch
(PECL zookeeper >= 0.4.0)
zookeeper_dispatch — Calls callbacks for pending operations
Description
function zookeeper_dispatch():
void
Caution
Since version 0.4.0, this function must be called manually to achieve asynchronous operations. If you want that to be done automatically, you also can declare ticks at the beginning of your program.
After PHP 7.1, you can ignore this function. This extension uses EG(vm_interrupt) to implement async dispatch.
Parameters
This function has no parameters.
Return Values
No value is returned.
Errors/Exceptions
This method emits PHP warning when callback could not be invoked.
Examples
Example #1 zookeeper_dispatch() example #1
Dispatch callbacks manually.
<?php
$client = new Zookeeper();
$client->connect('localhost:2181');
$client->get('/zookeeper', function() {
echo "Callback was called".PHP_EOL;
});
while(true) {
sleep(1);
zookeeper_dispatch();
}
?>
Example #2 zookeeper_dispatch() example #2
<?php
declare(ticks=1);
$client = new Zookeeper();
$client->connect('localhost:2181');
$client->get('/zookeeper', function() {
echo "Callback was called".PHP_EOL;
});
while(true) {
sleep(1);
}
?>