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Poll connections


mysqli::poll

mysqli_poll

(PHP 5 >= 5.3.0)

mysqli::poll -- mysqli_pollPoll connections

Description

Object oriented style

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

Procedural style

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. The method can be used as static.

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$errors$reject1)) {
        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



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