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<?php |
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namespace Elgg\Roles; |
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use ElggRole; |
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class DbMock implements DbInterface { |
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private $conf = array( |
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'default' => array( |
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'title' => 'roles:role:DEFAULT_ROLE', |
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'extends' => array(), |
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'permissions' => array( |
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'actions' => array( |
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'bar/foo' => 'allow', |
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'baz' => array('rule' => 'deny', 'redirect' => 'bar/foo'), |
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), |
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), |
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), |
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'tester1' => array( |
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'title' => 'tester1', |
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'extends' => array('default'), |
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'permissions' => array( |
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'actions' => array( |
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'foo/bar' => 'allow', |
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'foo/bar/baz' => 'deny', |
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'bar/foo' => ['rule' => 'deny'] |
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), |
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), |
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), |
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'tester2' => array( |
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'title' => 'tester2', |
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'extends' => array('default'), |
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'permissions' => array( |
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'actions' => array( |
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'foo/foo/bar' => 'allow', |
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'bar/baz' => 'deny', |
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'bar/foo' => 'deny', |
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), |
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), |
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), |
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'deny' => array( |
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'title' => 'deny', |
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'extends' => array(), |
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'permissions' => array( |
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'views' => array( |
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'foo/bar' => 'deny', |
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), |
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'actions' => array( |
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'foo/bar' => 'deny', |
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), |
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'pages' => array( |
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'foo/bar' => 'deny', |
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), |
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'hooks' => array( |
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'foo::bar' => 'deny', |
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), |
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'events' => array( |
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'foo::bar' => 'deny', |
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), |
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'menus' => array( |
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'foo' => 'deny', |
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'bar::baz' => 'deny', |
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) |
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) |
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), |
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'allow' => array( |
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'title' => 'deny', |
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'extends' => array('deny'), |
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'permissions' => array( |
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'views' => array( |
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'foo/bar' => 'allow', |
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), |
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'actions' => array( |
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'foo/bar' => 'allow', |
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), |
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'pages' => array( |
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'foo/bar' => 'allow', |
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), |
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'hooks' => array( |
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'foo::bar' => 'allow', |
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), |
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'events' => array( |
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'foo::bar' => 'allow', |
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), |
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'menus' => array( |
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'foo' => 'allow', |
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'bar::baz' => 'allow', |
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) |
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), |
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), |
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'extend' => array( |
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'title' => 'extend', |
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'extends' => array('deny'), |
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'permissions' => array( |
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'views' => array( |
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'foo/bar' => array( |
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'rule' => 'extend', |
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'view_extension' => array( |
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'view' => 'foo/baz', |
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'priority' => 400, |
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), |
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), |
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), |
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'hooks' => array( |
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'foo::bar' => array( |
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'rule' => 'extend', |
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'hook' => array( |
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'handler' => '\Elgg\Values::getFalse', |
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'priority' => 600, |
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) |
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), |
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), |
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'events' => array( |
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'foo::bar' => array( |
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'rule' => 'extend', |
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'event' => array( |
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'handler' => '\Elgg\Values::getFalse', |
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'priority' => 600, |
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) |
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), |
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), |
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'menus' => array( |
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'foo' => array( |
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'rule' => 'extend', |
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'menu_item' => array( |
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'name' => 'baz2', |
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'href' => 'baz2', |
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'text' => 'baz2', |
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), |
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), |
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), |
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) |
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), |
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'replace' => array( |
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'title' => 'replace', |
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'extends' => array('deny'), |
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'permissions' => array( |
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'views' => array( |
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'foo/baz' => array( |
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'rule' => 'replace', |
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'view_replacement' => array( |
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'location' => '/mod/roles/tests/phpunit/test_files/views2/', |
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), |
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), |
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), |
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'pages' => array( |
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'foo/bar' => array( |
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'rule' => 'redirect', |
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'forward' => 'foo/baz', |
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), |
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), |
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'hooks' => array( |
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'foo::bar' => array( |
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'rule' => 'replace', |
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'hook' => array( |
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'old_handler' => '\Elgg\Values::getTrue', |
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'new_handler' => '\Elgg\Values::getFalse', |
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) |
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), |
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), |
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'events' => array( |
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'foo::bar' => array( |
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'rule' => 'replace', |
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'event' => array( |
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'old_handler' => '\Elgg\Values::getTrue', |
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'new_handler' => '\Elgg\Values::getFalse', |
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) |
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), |
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), |
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'menus' => array( |
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'bar::baz' => array( |
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'rule' => 'replace', |
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'menu_item' => array( |
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'name' => 'baz2', |
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'href' => 'baz2', |
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'text' => 'baz2', |
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), |
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), |
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), |
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) |
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), |
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); |
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public function getAllRoles() { |
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$roles = array(); |
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foreach (array_keys($this->conf) as $name) { |
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$roles[] = $this->getRoleByName($name); |
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} |
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return $roles; |
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} |
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public function getRoleByName($role_name = '') { |
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if (!isset($this->conf[$role_name])) { |
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return false; |
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} |
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$conf = $this->conf[$role_name]; |
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$role = new ElggRole(); |
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$role->name = $role_name; |
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$role->title = $conf['title']; |
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$role->setExtends($conf['extends']); |
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$role->setPermissions($conf['permissions']); |
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return $role; |
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} |
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1 |
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public function getUserRole(\ElggUser $user) { |
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return $user->getVolatileData('role'); |
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} |
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public function setUserRole(\ElggUser $user, ElggRole $role) { |
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$user->setVolatileData('role', $role); |
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return true; |
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} |
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public function unsetUserRole(\ElggUser $user) { |
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$user->setVolatileData('role', null); |
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return true; |
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} |
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} |
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If you return a value from a function or method, it should be a sub-type of the type that is given by the parent type f.e. an interface, or abstract method. This is more formally defined by the Lizkov substitution principle, and guarantees that classes that depend on the parent type can use any instance of a child type interchangably. This principle also belongs to the SOLID principles for object oriented design.
Let’s take a look at an example:
Our function
my_functionexpects aPostobject, and outputs the author of the post. The base classPostreturns a simple string and outputting a simple string will work just fine. However, the child classBlogPostwhich is a sub-type ofPostinstead decided to return anobject, and is therefore violating the SOLID principles. If aBlogPostwere passed tomy_function, PHP would not complain, but ultimately fail when executing thestrtouppercall in its body.