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处理控制 | Process Control

posix_geteuid

posix_geteuid

(PHP 4, PHP 5, PHP 7)

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() - Return info about a user by user id

  • posix_getuid() - Return the real user ID of the current process

  • posix_setuid() - Set the UID of the current process

  • POSIX man page GETEUID(2)

← posix_getegid

posix_getgid →

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https://secure.php.net/manual/en/function.posix-geteuid.php