posix_seteuid

PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8
posix_seteuid - Set the effective UID of the current process
Manual

posix_seteuid( int$user_id ): bool

Set the effective user ID of the current process. This is a privileged function and needs appropriate privileges (usually root) on the system to be able to perform this function.

Parameters

user_id

The user id.

Return Values

Returns true on success or false on failure.

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