Inputfield::isEmpty() method

Is this Inputfield empty? (Value attribute reflects an empty state)

Return true if this field is empty (no value or blank value), or false if it’s not empty.

Used by the 'required' check to see if the field is populated, and descending Inputfields may override this according to their own definition of 'empty'.

Usage

$bool = $inputfield->isEmpty();

Return value

bool


Inputfield methods and properties

API reference based on ProcessWire core version 3.0.130

Twitter updates

  • New post: Quietly and without interruption this week, the ProcessWire.com website (and all subdomains) moved from a single static server to a load-balanced multi-server environment, giving us even more horsepower and redundancy than before— More
    19 April 2019
  • New post: With ProcessWire 3.0.130, this week we’ll take a detailed look at a few useful new API additions made in the last few weeks, along with examples of each—More
    12 April 2019
  • New post: This week ProcessWire ProMailer has been released, plus we’ve got a nice upgrade in our community support forum, and more— More
    15 March 2019

Latest news

  • ProcessWire Weekly #257
    In the 257th issue of ProcessWire Weekly we'll walk you through the new features in ProcessWire 3.0.130, introduce two new third party modules, and showcase the elegant new website of the QFMA. Read on!
    Weekly.pw / 13 April 2019
  • ProcessWire 3.0.130 core updates
    This week we’ll take a detailed look at a few useful new API additions made in the last few weeks, along with examples of each.
    Blog / 12 April 2019
  • 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.