(PHP 3 >= 3.0.10, PHP 4, PHP 5)
posix_getegid -- Return the effective group ID of the current process
Example 1. posix_getegid() example This example will print out your effective group id, once you change it with posix_setegid().
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posix_getegid() is different than posix_getgid() by you can change the effective group ID of a calling process using the posix_setegid().
posix_getgrgid() for information on how to convert this into a useable group name |
posix_getgid() get real group id. |
posix_setgid() change the effective group id |