(PHP 5, PHP 7)
Returns a unique identifier for the current thread
int zend_thread_id ( void )
This function returns a unique identifier for the current thread.
Returns:
Returns the thread id as an integer.
Notes:
This function is only available if PHP has been built with ZTS (Zend Thread Safety) support and debug mode (--enable-debug).
Examples:
zend_thread_id() example
<?php $thread_id = zend_thread_id(); echo 'Current thread id is: ' . $thread_id; ?>
The above example will output something similar to:
Current thread id is: 7864
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