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<?php |
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namespace SimpleCrud; |
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use SimpleCrud\Scheme\Scheme; |
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/** |
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* Stores the data of an table row. |
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*/ |
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class Row extends AbstractRow |
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{ |
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private $values = []; |
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private $relations = []; |
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private $changed = false; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __construct(Table $table) |
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{ |
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parent::__construct($table); |
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$defaults = []; |
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foreach ($table->getScheme()['fields'] as $name => $field) { |
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$defaults[$name] = $field['default']; |
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} |
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$this->init($defaults); |
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} |
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/** |
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* Clear the current cache. |
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*/ |
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public function clearCache() |
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{ |
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$this->relations = []; |
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} |
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/** |
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* Initialize the row with the data from database. |
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* |
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* @param array $values |
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* @param array $relations |
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*/ |
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public function init(array $values, array $relations = []) |
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{ |
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$this->values = $values; |
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$this->relations = $relations; |
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$this->changed = false; |
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} |
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/** |
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* Magic method to return properties or load them automatically. |
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* |
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* @param string $name |
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*/ |
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public function __get($name) |
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{ |
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//It's a field |
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if (array_key_exists($name, $this->values)) { |
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return $this->values[$name]; |
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} |
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//It's a relation |
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if (array_key_exists($name, $this->relations)) { |
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return $this->relations[$name] ?: new NullValue(); |
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} |
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//Load the relation |
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$scheme = $this->getTable()->getScheme(); |
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if (isset($scheme['relations'][$name])) { |
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return ($this->relations[$name] = call_user_func([$this, $name])->run()) ?: new NullValue(); |
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} |
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throw new SimpleCrudException(sprintf('Undefined property "%s"', $name)); |
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} |
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/** |
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* Magic method to store properties. |
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* |
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* @param string $name |
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* @param mixed $value |
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*/ |
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public function __set($name, $value) |
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{ |
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//It's a field |
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if (array_key_exists($name, $this->values)) { |
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if ($this->values[$name] !== $value) { |
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$this->changed = true; |
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} |
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return $this->values[$name] = $value; |
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} |
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//It's a relation |
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$table = $this->getTable(); |
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$scheme = $table->getScheme(); |
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if (!isset($scheme['relations'][$name])) { |
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throw new SimpleCrudException(sprintf('Undefined property "%s"', $name)); |
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} |
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$relation = $scheme['relations'][$name][0]; |
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//Check types |
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if ($relation === Scheme::HAS_ONE) { |
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if ($value !== null && !($value instanceof self)) { |
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throw new SimpleCrudException(sprintf('Invalid value: %s must be a Row instance or null', $name)); |
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} |
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} elseif (!($value instanceof RowCollection)) { |
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throw new SimpleCrudException(sprintf('Invalid value: %s must be a RowCollection', $name)); |
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} |
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$this->relations[$name] = $value; |
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} |
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/** |
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* Magic method to check if a property is defined or not. |
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* |
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* @param string $name Property name |
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* |
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* @return bool |
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*/ |
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public function __isset($name) |
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{ |
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return isset($this->values[$name]) || isset($this->relations[$name]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function toArray(array $bannedEntities = []) |
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{ |
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$table = $this->getTable(); |
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if (!empty($bannedEntities) && in_array($table->name, $bannedEntities)) { |
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return; |
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} |
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$bannedEntities[] = $table->name; |
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$data = $this->values; |
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foreach ($this->relations as $name => $value) { |
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if ($value !== null) { |
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$data[$name] = $value->toArray($bannedEntities); |
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} |
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} |
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return $data; |
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} |
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/** |
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* Saves this row in the database. |
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* |
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* @param bool|array $relations Set true to save the relations with other entities |
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* |
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* @return $this |
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*/ |
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public function save($relations = false) |
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{ |
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if ($relations === true) { |
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$relations = array_keys($this->relations); |
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} |
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if ($relations) { |
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$scheme = $this->getTable()->getScheme()['relations']; |
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foreach ($relations as $name) { |
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if (!array_key_exists($name, $this->relations)) { |
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continue; |
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} |
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if (!isset($scheme[$name])) { |
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throw new SimpleCrudException(sprintf('Invalid relation: %s', $name)); |
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} |
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$relation = $scheme[$name]; |
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if ($relation[0] === Scheme::HAS_ONE) { |
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$this->{$relation[1]} = ($this->relations[$name] === null) ? null : $this->relations[$name]->save()->id; |
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} |
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} |
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} |
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if (!$this->changed) { |
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return $this; |
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} |
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if (empty($this->id)) { |
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$this->id = $this->table->insert() |
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->data($this->values) |
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->run(); |
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} else { |
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$this->table->update() |
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->data($this->values) |
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->byId($this->id) |
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->limit(1) |
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->run(); |
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} |
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if ($relations) { |
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$scheme = $this->getTable()->getScheme()['relations']; |
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foreach ($relations as $name) { |
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if (!array_key_exists($name, $this->relations)) { |
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continue; |
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} |
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if (!isset($scheme[$name])) { |
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throw new SimpleCrudException(sprintf('Invalid relation: %s', $name)); |
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} |
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$relation = $scheme[$name]; |
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if ($relation[0] === Scheme::HAS_MANY) { |
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foreach ($this->relations[$name] as $row) { |
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$row->{$relation[1]} = $this->id; |
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$row->save(); |
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} |
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continue; |
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} |
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if ($relation[0] === Scheme::HAS_MANY_TO_MANY) { |
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$bridge = $this->getDatabase()->{$relation[1]}; |
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$bridge |
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->delete() |
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->by($relation[2], $this->id) |
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->run(); |
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foreach ($this->relations[$name] as $row) { |
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$bridge |
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->insert() |
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->data([ |
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$relation[2] => $this->id, |
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$relation[3] => $row->id, |
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]) |
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->run(); |
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} |
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} |
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} |
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} |
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$this->table->cache($this); |
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return $this; |
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} |
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} |
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There are different options of fixing this problem.
If you want to be on the safe side, you can add an additional type-check:
If you are sure that the expression is traversable, you might want to add a doc comment cast to improve IDE auto-completion and static analysis:
Mark the issue as a false-positive: Just hover the remove button, in the top-right corner of this issue for more options.