wireIsCallable() function

Is the given $var callable as a function?

ProcessWire namespace aware version of PHP’s is_callable() function

Usage

// basic usage
$bool = wireIsCallable($var);

// usage with all arguments
$bool = wireIsCallable($var, bool $syntaxOnly = false);

Arguments

NameType(s)Description
varstring, callable
syntaxOnly (optional)bool

Return value

bool


Functions methods and properties

API reference based on ProcessWire core version 3.0.244

Latest news

  • ProcessWire Weekly #559
    The 559th issue of ProcessWire Weekly brings in all the latest news from the ProcessWire community. Modules, sites, and more. Read on!
    Weekly.pw / 25 January 2025
  • ProcessWire 3.0.244 new main/master version
    ProcessWire 3.0.244 is our newest main/master/stable version. It's been more than a year in the making and is packed with tons of new features, issue fixes, optimizations and more. This post covers all the details.
    Blog / 18 January 2025
  • Subscribe to weekly ProcessWire news

“Yesterday I sent the client a short documentation for their ProcessWire-powered website. Today all features already used with no questions. #cmsdoneright—Marc Hinse, Web designer/developer