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posix_get_last_error

Retrieve the error number set by the last posix function that failed (PHP 4 >= 4.2.0, PHP 5)
int posix_get_last_error ( )

Retrieve the error number set by the last posix function that failed. The system error message associated with the errno may be checked with posix_strerror().

Return Values

Returns the errno (error number) set by the last posix function that failed. If no errors exist, 0 is returned.

Examples

Example 1866. posix_get_last_error() example

This example attempt to kill a bogus process id, which will set the last error. We will then print out the last errno.

<?php
posix_kill
(999459,SIGKILL);
echo
'Your error returned was '.posix_get_last_error(); //Your error was ___
?>