$fields API variable / Fields class

Manages all custom fields in ProcessWire, independently of any Fieldgroup.

Each field returned is an object of type Field. The $fields API variable is iterable:

foreach($fields as $field) {
  echo "<p>Name: $field->name, Type: $field->type, Label: $field->label</p>";
}

Click any linked item for full usage details and examples. Hookable methods are indicated with the icon. In addition to those shown below, the Fields class also inherits all the methods and properties of: WireSaveableItems and Wire.

Show $var?             Show args?        

Common

NameReturnSummary 
$fields->clone($item)
bool SaveableCreate and return a cloned copy of the given Field
$fields->delete($item)
boolDelete a Field from the database
$fields->findByTag(string $tag)
arrayReturn all fields that have the given $tag 
$fields->findByType($type)
array FieldFind fields by type 
$fields->get($key)
Field nullGet a field by name or id
$fields->getAllNames()
arrayGet all field names 
$fields->getNumPages(Field $field)
int arrayReturn a count of pages containing populated values for the given field 
$fields->getNumRows(Field $field)
int arrayReturn a count of database rows populated the given field 
$fields->getWireArray()
WireArrayGet WireArray container that items are stored in 
$fields->isNative(string $name)
boolIs the given field name native/permanent to the database? 
$fields->makeItem()
Saveable WireMake an item and populate with given data 
$fields->save($item)
boolSave a Field to the database

Additional methods and properties

In addition to the methods and properties above, Fields also inherits the methods and properties of these classes:

API reference based on ProcessWire core version 3.0.200

Twitter updates

  • A review of weekly core updates, plus a simple recipe for a very effective listing cache—More
    24 June 2022
  • Weekly update: Making ProcessWire render pages at old WordPress URLs (or building a simple/custom URL router in PW): More
    17 June 2022
  • New post: ProcessWire now comes with just 1 site installation profile, the "blank" profile. It makes very few assumptions, making it a minimal though excellent starting point. Here’s how you might use it— More
    10 June 2022

Latest news

  • ProcessWire Weekly #424
    In the 424th issue of ProcessWire Weekly we'll check out the latest weekly update from Ryan, introduce a new third party module, and more. Read on!
    Weekly.pw / 25 June 2022
  • Starting a site with the “blank” profile
    ProcessWire 3.0.200+ comes with just 1 site installation profile, the site-blank profile. This profile makes very few assumptions, making it a minimal though excellent starting point. Here’s how you might use it. 
    Blog / 10 June 2022
  • Subscribe to weekly ProcessWire news

“Indeed, if ProcessWire can be considered as a CMS in its own right, it also offers all the advantages of a CMF (Content Management Framework). Unlike other solutions, the programmer is not forced to follow the proposed model and can integrate his/her ways of doing things.” —Guy Verville, Spiria Digital Inc.