PYTHON mysqli::poll

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Python replacement for PHP's mysqli::poll [ edit ]



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PHP mysqli::poll

PHP original manual for mysqli::poll [ show | php.net ]

mysqli::poll

mysqli_poll

(PHP 5 >= 5.3.0)

mysqli::poll -- mysqli_poll — Poll connections

Description

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

This function is currently not documented; only its argument list is available.

Poll connections. Available only with mysqlnd.

Parameters

read

error

reject

sec

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

usec

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

Return Values

Returns number of ready connections in success, FALSE otherwise.

Examples

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());
            mysqli_free_result($result);
            $processed++;
        }
    }
} while ($processed < count($all_links));
?>

The above example will output:

Array
(
    [0] => test
)

See Also

MySQLi
PHP Manual