posix_geteuid

Return the effective user ID of the current process

Description

int posix_geteuid ( void )

Return the numeric effective user ID of the current process. See also posix_getpwuid for information on how to convert this into a useable username.

Return Values

Returns the user id, as an integer

Examples

Example #1 posix_geteuid example

This example will show the current user id then set the effective user id to a separate id using posix_seteuid, then show the difference between the real id and the effective id.

<?php
echo posix_getuid()."\n"//10001
echo posix_geteuid()."\n"//10001
posix_seteuid(10000);
echo 
posix_getuid()."\n"//10001
echo posix_geteuid()."\n"//10000
?>

See Also

  • posix_getpwuid
  • posix_getuid
  • posix_setuid
  • POSIX man page GETEUID(2)