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<?php |
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/** |
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* The base class for \ElggEntity extenders. |
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* |
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* Extenders allow you to attach extended information to an |
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* \ElggEntity. Core supports two: \ElggAnnotation and \ElggMetadata. |
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* |
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* Saving the extender data to database is handled by the child class. |
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* |
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* @package Elgg.Core |
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* @subpackage DataModel.Extender |
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* @see \ElggAnnotation |
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* @see \ElggMetadata |
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* |
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* @property string $type annotation or metadata (read-only after save) |
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* @property int $id The unique identifier (read-only) |
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* @property int $entity_guid The GUID of the entity that this extender describes |
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* @property int $owner_guid The GUID of the owner of this extender |
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* @property int $access_id Specifies the visibility level of this extender |
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* @property string $name The name of this extender |
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* @property mixed $value The value of the extender (int or string) |
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* @property int $time_created A UNIX timestamp of when the extender was created (read-only, set on first save) |
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* @property string $value_type 'integer' or 'text' |
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* @property string $enabled Is this extender enabled ('yes' or 'no') |
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*/ |
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abstract class ElggExtender extends \ElggData { |
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/** |
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* (non-PHPdoc) |
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* |
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* @see \ElggData::initializeAttributes() |
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* |
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* @return void |
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*/ |
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protected function initializeAttributes() { |
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parent::initializeAttributes(); |
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$this->attributes['type'] = null; |
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$this->attributes['id'] = null; |
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$this->attributes['entity_guid'] = null; |
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$this->attributes['owner_guid'] = null; |
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$this->attributes['access_id'] = ACCESS_PRIVATE; |
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$this->attributes['enabled'] = 'yes'; |
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} |
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/** |
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* Set an attribute |
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* |
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* @param string $name Name |
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* @param mixed $value Value |
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* @return void |
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*/ |
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public function __set($name, $value) { |
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if ($name === 'access_id' && $this instanceof ElggMetadata) { |
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$value = ACCESS_PUBLIC; |
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} |
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$this->attributes[$name] = $value; |
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if ($name == 'value') { |
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$this->attributes['value_type'] = self::detectValueType($value); |
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} |
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} |
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/** |
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* Set the value of the extender |
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* |
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* @param mixed $value The value being set |
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* @param string $value_type The type of the : 'integer' or 'text' |
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* @return void |
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* @since 1.9 |
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*/ |
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public function setValue($value, $value_type = '') { |
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$this->attributes['value'] = $value; |
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$this->attributes['value_type'] = self::detectValueType($value, $value_type); |
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} |
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/** |
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* Gets an attribute |
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* |
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* @param string $name Name |
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* @return mixed |
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*/ |
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public function __get($name) { |
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if (array_key_exists($name, $this->attributes)) { |
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if ($name == 'value') { |
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switch ($this->attributes['value_type']) { |
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case 'integer' : |
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return (int) $this->attributes['value']; |
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break; |
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case 'text' : |
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return $this->attributes['value']; |
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break; |
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default : |
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$msg = "{$this->attributes['value_type']} is not a supported \ElggExtender value type."; |
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throw new \UnexpectedValueException($msg); |
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break; |
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} |
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} |
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if ($name === 'access_id' && $this instanceof ElggMetadata) { |
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return ACCESS_PUBLIC; |
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} |
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return $this->attributes[$name]; |
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} |
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return null; |
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} |
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/** |
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* Get the GUID of the extender's owner entity. |
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* |
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* @return int The owner GUID |
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*/ |
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public function getOwnerGUID() { |
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return $this->owner_guid; |
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} |
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/** |
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* Get the entity that owns this extender |
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* |
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* @return \ElggEntity |
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*/ |
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public function getOwnerEntity() { |
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return get_entity($this->owner_guid); |
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} |
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/** |
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* Get the entity this describes. |
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* |
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* @return \ElggEntity The entity |
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*/ |
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public function getEntity() { |
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return get_entity($this->entity_guid); |
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} |
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/** |
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* Returns if a user can edit this entity extender. |
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* |
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* @param int $user_guid The GUID of the user doing the editing |
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* (defaults to currently logged in user) |
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* |
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* @return bool |
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* @see elgg_set_ignore_access() |
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*/ |
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abstract public function canEdit($user_guid = 0); |
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/** |
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* {@inheritdoc} |
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*/ |
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public function toObject() { |
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$object = new \stdClass(); |
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$object->id = $this->id; |
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$object->entity_guid = $this->entity_guid; |
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$object->owner_guid = $this->owner_guid; |
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$object->name = $this->name; |
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$object->value = $this->value; |
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$object->time_created = date('c', $this->getTimeCreated()); |
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$object->read_access = $this->access_id; |
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$params = [ |
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$this->getSubtype() => $this, // deprecated use |
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$this->getType() => $this, |
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]; |
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if (_elgg_services()->hooks->hasHandler('to:object', $this->getSubtype())) { |
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_elgg_services()->deprecation->sendNotice("Triggering 'to:object' hook by extender name '{$this->getSubtype()}' has been deprecated. " |
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. "Use the generic 'to:object','{$this->getType()}' hook instead.", '2.3'); |
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$object = _elgg_services()->hooks->trigger('to:object', $this->getSubtype(), $params, $object); |
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} |
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return _elgg_services()->hooks->trigger('to:object', $this->getType(), $params, $object); |
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} |
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/* |
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* SYSTEM LOG INTERFACE |
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*/ |
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/** |
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* Return an identification for the object for storage in the system log. |
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* This id must be an integer. |
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* |
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* @return int |
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*/ |
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public function getSystemLogID() { |
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return $this->id; |
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} |
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/** |
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* Return a type of extension. |
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* |
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* @return string |
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*/ |
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public function getType() { |
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return $this->type; |
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} |
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/** |
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* Return a subtype. For metadata & annotations this is the 'name' and |
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* for relationship this is the relationship type. |
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* |
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* @return string |
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*/ |
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public function getSubtype() { |
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return $this->name; |
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} |
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/** |
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* Get a url for this extender. |
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* |
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* Plugins can register for the 'extender:url', <type> plugin hook to |
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* customize the url for an annotation or metadata. |
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* |
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* @return string |
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*/ |
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View Code Duplication |
public function getURL() { |
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$params = ['extender' => $this]; |
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$url = _elgg_services()->hooks->trigger('extender:url', $this->getType(), $params, ''); |
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return elgg_normalize_url($url); |
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} |
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/** |
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* Detect the value_type for a value to be stored as metadata or an annotation |
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* |
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* @param mixed $value The value |
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* @param string $value_type If specified as "text" or "integer", overrides the detection. |
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* |
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* @return string |
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* @access private |
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* @internal |
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*/ |
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public static function detectValueType($value, $value_type = "") { |
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if ($value_type === 'integer' || $value_type === 'text') { |
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return $value_type; |
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} |
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return is_int($value) ? 'integer' : 'text'; |
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} |
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} |
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The break statement is not necessary if it is preceded for example by a return statement:
If you would like to keep this construct to be consistent with other case statements, you can safely mark this issue as a false-positive.