wireLength() function

Returns string length of any type (string, array, object, bool, int, etc.)

  • If given a string it returns the multibyte string length.
  • If given a bool, returns 1 for true or 0 for false.
  • If given an int or float, returns its length when typecast to string.
  • If given array or object it duplicates the behavior of wireCount().
  • If given null returns 0.

Available since version 3.0.192.


// basic usage
$int = wireLength($value);

// usage with all arguments
$int = wireLength($value, bool $mb = true);


valuestring, array, object, int, bool, null
mb (optional)bool

Use multibyte string length when available (default=true)

Return value


Functions methods and properties

API reference based on ProcessWire core version 3.0.200

Twitter updates

  • Introduction to an invoice application profile being built in ProcessWire: More
    30 September 2022
  • Stumbling upon a really nice ProcessWire-powered website, plus core updates including API improvements for ProcessWire forms— More
    9 September 2022
  • Useful new dot-and-bracket syntax options added for page.get() method— More
    2 September 2022

Latest news

  • ProcessWire Weekly #438
    In the 348th issue of ProcessWire Weekly we're going to cover the latest weekly update from Ryan, take a closer look at a couple of new third party modules, and more. Read on!
    Weekly.pw / 1 October 2022
  • Multi-language field translation export/import
    In this post we cover the details of a new module that enables export and import capabilities for multi-language fields in ProcessWire.
    Blog / 5 August 2022
  • Subscribe to weekly ProcessWire news

I just love the easy and intuitive ProcessWire API. ProcessWire rocks!” —Jens Martsch, Web developer