(PHP 5 >= 5.3.0)
mysqli::poll -- mysqli_poll — Poll connections
Stil obiect-orientat
&$read
, array &$error
, array &$reject
, int $sec
[, int $usec
] )Stil procedural
&$read
, array &$error
, array &$reject
, int $sec
[, int $usec
] )Această funcție nu este documentată în prezent; este disponibilă numai lista sa de argumente.
Poll connections. Disponibil numai cu mysqlnd. The method can be used as static.
read
error
reject
sec
Number of seconds to wait, must be non-negative.
usec
Number of microseconds to wait, must be non-negative.
Returns number of ready connections upon success, FALSE otherwise.
Example #1 A mysqli_poll() example
<?php
$link1 = mysqli_connect();
$link1->query("SELECT 'test'", MYSQLI_ASYNC);
$all_links = array($link1);
$processed = 0;
do {
$links = $errors = $reject = array();
foreach ($all_links as $link) {
$links[] = $errors[] = $reject[] = $link;
}
if (!mysqli_poll($links, $errors, $reject, 1)) {
continue;
}
foreach ($links as $link) {
if ($result = $link->reap_async_query()) {
print_r($result->fetch_row());
if (is_object($result))
mysqli_free_result($result);
} else die(sprintf("MySQLi Error: %s", mysqli_error($link)));
$processed++;
}
} while ($processed < count($all_links));
?>
Exemplul de mai sus va afișa:
Array
(
[0] => test
)