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registering field group adding flex layouts via php
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Hello ACF friends,
I am trying to register a field group via PHP and creating the layouts from other field groups, my procedure is as follows:
add_action('acf/init', function() { $elements = [ 'image_text' ]; $layouts = []; foreach ($elements as $element) { $acf_json_data = locate_template("inc/acf/exports/group_" . $element . ".json"); $data = $acf_json_data ? json_decode(file_get_contents($acf_json_data), true) : []; if( !empty($data) ) { $key = 'layout_' . $element; $layout = [ 'key' => $key, 'name' => $element, 'label' => $data[0]['title'], 'display' => 'block', 'sub_fields' => $data[0]['fields'], 'min' => '', 'max' => '' ]; $layouts[$key] = $layout; } } acf_add_local_field_group(array( 'key' => 'group_main_content', 'title' => 'Content', 'fields' => array( array( 'key' => 'field_main_content_flex_content', 'label' => 'Content', 'name' => 'flex_content', 'type' => 'flexible_content', 'instructions' => '', 'required' => 0, 'conditional_logic' => 0, 'wrapper' => array( 'width' => '', 'class' => '', 'id' => '', ), 'layouts' => $layouts, 'button_label' => 'Element hinzufügen', 'min' => '', 'max' => '', ), ), 'location' => array( array( array( 'param' => 'post_type', 'operator' => '==', 'value' => 'page', ), ), ), 'menu_order' => 1, 'position' => 'acf_after_title', 'style' => 'default', 'label_placement' => 'left', 'instruction_placement' => 'label', 'hide_on_screen' => array( 0 => 'the_content', 1 => 'excerpt', 2 => 'discussion', 3 => 'comments', 4 => 'revisions', 5 => 'slug', 6 => 'author', 7 => 'format', 8 => 'page_attributes', 9 => 'featured_image', 10 => 'categories', 11 => 'tags', 12 => 'send-trackbacks', ), 'active' => true, 'description' => 'beschreibung', )); });The field group I load as layout looks like this:
[ { "key": "group_image_text", "title": "Bild und Text", "fields": [ { "key": "field_image_text_image", "label": "Bild", "name": "image", "type": "image", "instructions": "", "required": 0, "conditional_logic": 0, "wrapper": { "width": "", "class": "", "id": "" }, "return_format": "array", "preview_size": "medium", "library": "all", "min_width": "", "min_height": "", "min_size": "", "max_width": "", "max_height": "", "max_size": "", "mime_types": "" }, { "key": "field_image_text_text", "label": "Text", "name": "text", "type": "text", "instructions": "", "required": 0, "conditional_logic": 0, "wrapper": { "width": "", "class": "", "id": "" }, "default_value": "", "placeholder": "", "prepend": "", "append": "", "maxlength": "" } ], "location": [ [ { "param": "post_type", "operator": "==", "value": "post" } ] ], "menu_order": 2, "position": "normal", "style": "default", "label_placement": "top", "instruction_placement": "label", "hide_on_screen": "", "active": false, "description": "" } ]This works quite well so far, and I have 3 questions about it.
1. does adding layouts make sense like this? Should I do it in a different way, or should I leave it better?
2. instead of creating the layouts myself, should I rather use the respective field group as a clone field in the layout?
3. i discovered the following little thing. Through an error I became aware of the validation.php. There I had the problem that in line 403 the filter threw an error, because the key $field[‘_name’] was missing.
At this point I’ve done a debug output of $field before this line. Than i found the following:
If the field group is registered using the backend, I have once in the field an ID (51) and a parent (50) and with each Sub Field likewise an ID () and a parent.
See here:
Array ( [ID] => 51 [key] => field_flex_content [label] => Content [name] => flex_content [prefix] => acf [type] => flexible_content [value] => [menu_order] => 0 [instructions] => [required] => 0 [id] => [class] => [conditional_logic] => 0 [parent] => 50 [wrapper] => Array ( [width] => [class] => [id] => ) [layouts] => Array ( [layout_image_text] => Array ( [key] => layout_image_text [name] => imageText [label] => Bild & Text [display] => block [sub_fields] => Array ( [0] => Array ( [ID] => 48 [key] => field_image_text_image [label] => Bild [name] => imageTextImage [prefix] => acf [type] => image [value] => [menu_order] => 0 [instructions] => [required] => 0 [id] => [class] => [conditional_logic] => 0 [parent] => 51 [wrapper] => Array ( [width] => [class] => [id] => ) [parent_layout] => layout_image_text [return_format] => array [preview_size] => medium [library] => all [min_width] => [min_height] => [min_size] => [max_width] => [max_height] => [max_size] => [mime_types] => [_name] => imageTextImage [_valid] => 1 ) [1] => Array ( [ID] => 49 [key] => field_image_text_text [label] => Text [name] => imageTextText [prefix] => acf [type] => text [value] => [menu_order] => 1 [instructions] => [required] => 0 [id] => [class] => [conditional_logic] => 0 [parent] => 51 [wrapper] => Array ( [width] => [class] => [id] => ) [parent_layout] => layout_image_text [default_value] => [placeholder] => [prepend] => [append] => [maxlength] => [_name] => imageTextText [_valid] => 1 ) ) [min] => [max] => ) ) [button_label] => Element hinzufügen [min] => [max] => [_name] => flex_content [_valid] => 1 )However, if I register the field via PHP these ID’s are 0 or a string and I wonder if this is a problem:
Array ( [ID] => 0 [key] => field_main_content_flex_content [label] => Content [name] => flex_content [prefix] => acf [type] => flexible_content [value] => [menu_order] => 0 [instructions] => [required] => 0 [id] => [class] => [conditional_logic] => 0 [parent] => group_main_content [wrapper] => Array ( [width] => [class] => [id] => ) [layouts] => Array ( [layout_image_text] => Array ( [key] => layout_image_text [name] => image_text [label] => Bild und Text [display] => block [sub_fields] => Array ( [0] => Array ( [ID] => 0 [key] => field_image_text_image [label] => Bild [name] => image [prefix] => acf [type] => image [value] => [menu_order] => 0 [instructions] => [required] => 0 [id] => [class] => [conditional_logic] => 0 [parent] => field_main_content_flex_content [wrapper] => Array ( [width] => [class] => [id] => ) [return_format] => array [preview_size] => medium [library] => all [min_width] => [min_height] => [min_size] => [max_width] => [max_height] => [max_size] => [mime_types] => [parent_layout] => layout_image_text [_name] => image [_valid] => 1 ) [1] => Array ( [ID] => 0 [key] => field_image_text_text [label] => Text [name] => text [prefix] => acf [type] => text [value] => [menu_order] => 1 [instructions] => [required] => 0 [id] => [class] => [conditional_logic] => 0 [parent] => field_main_content_flex_content [wrapper] => Array ( [width] => [class] => [id] => ) [default_value] => [placeholder] => [prepend] => [append] => [maxlength] => [parent_layout] => layout_image_text [_name] => text [_valid] => 1 ) ) [min] => [max] => ) ) [button_label] => Element hinzufügen [min] => [max] => [_name] => flex_content [_valid] => 1 )Thanks for a quick feedback on these questions, and thanks also for your great plugin. 🙂
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