mysqli
PHP Manual

mysqli::poll

mysqli_poll

(PHP 5 >= 5.3.0)

mysqli::poll -- mysqli_pollPoll connections

Descrierea

Stil obiect-orientat

public static int mysqli::poll ( array &$read , array &$error , array &$reject , int $sec [, int $usec ] )

Stil procedural

int mysqli_poll ( array &$read , array &$error , array &$reject , int $sec [, int $usec ] )

Poll connections. Disponibil numai cu mysqlnd. The method can be used as static.

Parametri

read

List of connections to check for outstanding results that can be read.

error

List of connections on which an error occured, for example, query failure or lost connection.

reject

List of connections rejected because no asynchronous query has been run on for which the function could poll results.

sec

Number of seconds to wait, must be non-negative.

usec

Number of microseconds to wait, must be non-negative.

Valorile întoarse

Returns number of ready connections upon success, FALSE otherwise.

Exemple

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$errors$reject1)) {
        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
)

Vedeți de asemenea


mysqli
PHP Manual