What does the single colon mean in this PHP statement? -


it used slimframework. first argument router pattern , second should callback. teacher gave class cdapi inside media namespace. understand ::class returns qualified class name resolution, concatenated part don't understand: ":getone". getone function never saw colon used that, mean?

$app->get('/super', \cdapi::class . ':getone');

slim framework has routing feature called "container resolution", , that's you're seeing when see single colon. see slim docs:

https://www.slimframework.com/docs/objects/router.html

you not limited defining function routes. in slim there few different ways define route action functions.

in addition function, may use:

  • container_key:method
  • class:method
  • an invokable class
  • container_key

this functionality enabled slim’s callable resolver class. translates string entry function call.

their example:

$app->get('/', '\homecontroller:home');

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