Chmod 777 to a folder and all contents [duplicate]

chmod 777 chmod(string $filename , int $permissions ): bool Attempts to change the mode of the specified file to that given in permissions.. View (u)ser, (g)roup and (o)thers permissions for chmod 777 (chmod a+rwx) or use free on chmod calculator to modify permissions easily.

lawan777, 777 means User, Group, and Others all have full read, write, and execute permissions. However, granting such permissions can pose a security risk..