Inputfield::addClass() method

Add a class or classes to this Inputfield (or a wrapping element)

If given a class name that's already present, it won't be added again.


// Add class "foobar" to input element

// Add three classes to input element
$inputfield->addClass('foo bar baz');

// Add class "foobar" to .Inputfield wrapping element
$inputfield->addClass('foobar', 'wrapClass'); 


// basic usage

// usage with all arguments
$inputfield->addClass($class, string $property = 'class');


classstring, array

Specify one of the following:

  • Class name you want to add.
  • Multiple space-separated class names you want to add.
  • Array of class names you want to add (since 3.0.16).
property (optional)string

Optionally specify the type of class you want to add:

  • Omit for the default (which is "class").
  • class (string): Add class to the input element (or whatever the Inputfield default is).
  • wrapClass (string): Add class to ".Inputfield" wrapping element, the most outer level element used for this Inputfield.
  • headerClass (string): Add class to ".InputfieldHeader" label element.
  • contentClass (string): Add class to ".InputfieldContent" wrapping element.
  • Or some other named class attribute designated by a descending Inputfield.

Return value


Object instance it was called from (method supports fluent interface).


Method can throw exceptions on error:

  • WireException - when given invalid arguments

See Also

Inputfield methods and properties

API reference based on ProcessWire core version 3.0.125

Twitter updates

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    15 February 2019
  • New post: ProcessWire 3.0.125 has several useful new Sanitizer methods & options, plus new ways to access them directly from the Input API variable. This makes handling user input even easier than before. Plus updates to our i18n functions & API docs— More
    25 January 2019
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  • ProcessWire 3.0.126 core updates
    This week we take a look at what’s in ProcessWire 3.0.126 which focuses largely on resolving issue reports, but also includes a handy new $page->if() method. 
    Blog / 15 February 2019
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