Drupal 6 到 Drupal 7 迁移表单 API php 代码片段
我试图找出我试图在 Drupal 7 中工作的 Drupal 6 php 代码有什么问题:
function node_widget_get_fields(&$form) {
$fields = array();
if (isset($form['#type'])) {
$content_type = content_types($form['#type']['#value']);
foreach ($content_type['fields'] as $field_name => $field) {
if ($field['type'] == 'nodereference' && $field['widget']['type'] ==
'node_widget_node_form') {
$fields[$field_name] = $field;
}
}
}
return $fields;
这是我已经走了多远:
function node_widget_get_fields(&$form) {
$fields = array();
if (isset($form['#type'])) {
$content_type = field_info_instances($form['#type']['#value']);
foreach ($content_type['fields'] as $field_name => $field) {
if ($field['type'] == 'nodereference' && $field['widget']['type'] ==
'node_widget_node_form') {
$fields[$field_name] = $field;
}
}
}
return $fields;
返回错误:
Notice: Undefined index: f in field_info_instances() (line 682 of /modules/field/field.info.inc).
Warning: Invalid argument supplied for foreach() in node_widget_get_fields() (line 164 of all/modules/node_widget/includes/node_widget.form.inc).
和
Notice: Undefined index: how_to in field_info_instances() (line 682 of /var/www/bitbybit/modules/field/field.info.inc).
Warning: Invalid argument supplied for foreach() in node_widget_get_fields() (line 164 of /var/www/bitbybit/sites/all/modules/node_widget/includes/node_widget.form.inc).
Notice: Undefined index: type in node_widget_get_fields() (line 163 of /var/www/bitbybit/sites/all/modules/node_widget/includes/node_widget.form.inc).
Notice: Undefined index: fields in node_widget_get_fields() (line 164 of /var/www/bitbybit/sites/all/modules/node_widget/includes/node_widget.form.inc).
I'm trying to figure out what is wrong with this bit of Drupal 6 php code i'm trying to get working in Drupal 7:
function node_widget_get_fields(&$form) {
$fields = array();
if (isset($form['#type'])) {
$content_type = content_types($form['#type']['#value']);
foreach ($content_type['fields'] as $field_name => $field) {
if ($field['type'] == 'nodereference' && $field['widget']['type'] ==
'node_widget_node_form') {
$fields[$field_name] = $field;
}
}
}
return $fields;
This is how far I've got:
function node_widget_get_fields(&$form) {
$fields = array();
if (isset($form['#type'])) {
$content_type = field_info_instances($form['#type']['#value']);
foreach ($content_type['fields'] as $field_name => $field) {
if ($field['type'] == 'nodereference' && $field['widget']['type'] ==
'node_widget_node_form') {
$fields[$field_name] = $field;
}
}
}
return $fields;
errors returned:
Notice: Undefined index: f in field_info_instances() (line 682 of /modules/field/field.info.inc).
Warning: Invalid argument supplied for foreach() in node_widget_get_fields() (line 164 of all/modules/node_widget/includes/node_widget.form.inc).
and
Notice: Undefined index: how_to in field_info_instances() (line 682 of /var/www/bitbybit/modules/field/field.info.inc).
Warning: Invalid argument supplied for foreach() in node_widget_get_fields() (line 164 of /var/www/bitbybit/sites/all/modules/node_widget/includes/node_widget.form.inc).
Notice: Undefined index: type in node_widget_get_fields() (line 163 of /var/www/bitbybit/sites/all/modules/node_widget/includes/node_widget.form.inc).
Notice: Undefined index: fields in node_widget_get_fields() (line 164 of /var/www/bitbybit/sites/all/modules/node_widget/includes/node_widget.form.inc).
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field_info_instances
接受两个参数(尽管它们不是必需的),第一个是实体类型(在您的情况下很可能是node
),第二个是包。在 Drupal 7 中,所有节点都是实体,内容类型是该实体内的捆绑包。因此,要获取附加到具有特定内容类型的
node
的所有字段,您需要执行以下操作:field_info_instances
takes two arguments (albeit they're not required), the first is the entity type (more than likelynode
in your case), and the second is the bundle.In Drupal 7 all nodes are entities and content types are bundles within that entity. So to get all the fields attached to a
node
with your specific content type you need to do this: