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PHP Quiz PHP CertificatePHP mysql_thread_id() Function
Complete PHP MySQL Reference
Definition and Usage
The mysql_thread_id() function returns the current thread ID.
This function returns the thread ID on success, or FALSE failure.
Syntax
mysql_thread_id(connection)
| Parameter | Description |
|---|---|
| connection | Optional. Specifies the MySQL connection. If not specified, the last connection opened by mysql_connect() or mysql_pconnect() is used. |
Tips and Notes
Note: Each MySQL connection has a different thread ID.
Example
<?php
$con = mysql_connect("localhost", "peter", "abc123");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
echo mysql_thread_id();
mysql_close($con);
?>
$con = mysql_connect("localhost", "peter", "abc123");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
echo mysql_thread_id();
mysql_close($con);
?>
The output of the code above could be:
25
Complete PHP MySQL Reference
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