CakePHP - Manual/Developing/Models/Callbacks

2009-03-01 19:09:48

�� /Manual / Developing / Models / Callbacks �� 2009-03-01 19:09:48 � 2009-03-01 19:10:16

��:

�� $primary = true, �� PHP
“Cannot use string offset as an array”

��:

�� $primary = true, �� PHP “Cannot use string offset as an array”

2009-03-01 18:32:02

�� /Manual / Developing / Models / Callbacks �� 2009-03-01 18:32:02 � 2009-03-01 19:09:48

��:

afterFind(array $results, bool $primary)

�� $primary = true, �� PHP “Cannot use string offset as an array”
�� , �� afterFind �� .
function afterFind($results) {

foreach ($results as $key => $val) {

if (isset($val['Event']['begindate'])) {

$results[$key]['Event']['begindate'] = $this->dateFormatAfterFind($val['Event']['begindate']);

}

}
return $results;

}
function dateFormatAfterFind($dateString) {

return date('d-m-Y', strtotime($dateString));

}

beforeValidate

beforeValidate()

�� , �� , �� . �� true, �� save() �� .

beforeSave

beforeSave()

� �� , �� . �� , �� , �� , �� . �� true, �� .
�� , �� . ��, �� . �� $this->data � �� .
�� , �� beforeSave �� . �� , �� begindate � �� 'YYYY-MM-DD' � �� 'DD-MM-YYYY'. ��, �� . �� , �� , � �� .
function beforeSave() {

if(!empty($this->data['Event']['begindate']) && !empty($this->data['Event']['enddate'])) {

$this->data['Event']['begindate'] = $this->dateFormatBeforeSave($this->data['Event']['begindate']);
$this->data['Event']['enddate'] = $this->dateFormat($this->data['Event']['enddate']);

}
return true;

}
function dateFormatBeforeSave($dateString) {

return date('Y-m-d', strtotime($dateString)); // Direction is from

}
��, �� beforeSave() �� true, �� .

afterSave

afterSave(boolean $created)

�� , �� , �� .
�� $created �� true, �� (� �� ).

beforeDelete

beforeDelete()

�� , �� . �� true, �� false � �� .

afterDelete

afterDelete()

�� , �� .

onError

onError()

��, �� -�� .
<< ��: �� ? | �� ?

��:

afterFind(array $results, bool $primary)

2009-02-12 20:28:34

�� /Manual / Developing / Models / Callbacks �� 2009-02-12 20:28:34 � 2009-03-01 18:32:02

��:

�� -�� – �� . �� (�� AppModel ).

beforeFind

beforeFind(mixed $queryData)

�� , �� , ��. �� $queryData �� : ��, �� .

�� , �� (�� -�� -�� $queryData ), �� false. ��, ��, �� , �� $queryData, �� -�� , �� .

�� , � �� . �� .

afterFind

afterFind(array $results, bool $primary)

�� , �� ; �� , �� . �� $results ��, �� , ��:


<?
$results = array(
  0 => array(
    'ModelName' => array(
      'field1' => 'value1',
      'field2' => 'value2',
    ),
  ),
);

?>

�� – �� , �� , �� .

�� $primary = false, �� $results �� , �� ; �� , �� find ��, �� :


<?
$results = array(
  'field_1' => 'value',
  'field_2' => 'value2'
);
?>