POSIX Functions
PHP Manual

posix_strerror

Retrieve the system error message associated with the given errno

Description

string posix_strerror ( int $errno )

Returns the POSIX system error message associated with the given errno. You may get the errno parameter by calling posix_get_last_error.

Parameters

errno

A POSIX error number, returned by posix_get_last_error. If set to 0, then the string "Success" is returned.

Return Values

Returns the error message, as a string.

Examples

Example #1 posix_strerror example

This example will attempt to kill a process which does not exist, then will print out the corresponding error message.

<?php
posix_kill(50,SIGKILL);
echo posix_strerror(posix_get_last_error())."\n";
?>

The above example will output something similar to:

No such process

See Also

  • posix_get_last_error