zend_thread_id

Returns a unique identifier for the current thread

&reftitle.description; `int` `zend_thread_id`

This function returns a unique identifier for the current thread.

&reftitle.returnvalues;

Returns the thread id as an integer.

&reftitle.examples;

### `zend_thread_id` example

    <?php
    $thread_id = zend_thread_id();

    echo 'Current thread id is: ' . $thread_id;
    ?>

&example.outputs.similar;

    Current thread id is: 7864

&reftitle.notes;

This function is only available if PHP has been built with ZTS (Zend Thread Safety) support and debug mode (`--enable-debug`).