FieldsArray::isValidKey() method

Per WireArray interface, Field keys have to be integers

Template method that descendant classes may use to validate the key of items added to this WireArray

Usage

$bool = $fieldsArray->isValidKey(int $key);

Arguments

NameType(s)Description
keyint

Key to test

Return value

bool

True if key is valid and may be used, false if not


FieldsArray methods and properties

API reference based on ProcessWire core version 3.0.236

Latest news

  • ProcessWire Weekly #549
    In the 549th issue of ProcessWire Weekly we’re going to check out the latest core updates, highlight one older yet still very relevant third party module, and more. Read on!
    Weekly.pw / 17 November 2024
  • Custom Fields Module
    This week we look at a new ProFields module named Custom Fields. This module provides a way to rapidly build out ProcessWire fields that contain any number of subfields/properties within them.
    Blog / 30 August 2024
  • Subscribe to weekly ProcessWire news

“We were really happy to build our new portfolio website on ProcessWire! We wanted something that gave us plenty of control on the back-end, without any bloat on the front end - just a nice, easy to access API for all our content that left us free to design and build however we liked.” —Castus, web design agency in Sheffield, UK