property_exists
Classkit
Classes/Object Functions
PHP Manual

# trait_exists

(PHP 5 >= 5.4.0)

trait_exists — Checks if the trait exists

### Description

bool trait_exists ( string `$traitname` [, bool `$autoload` ] )

### Parameters

`traitname`

  Name of the trait to check

`autoload`

  Whether to autoload if not already loaded.

### Return Values

Returns `TRUE` if trait exists, `FALSE` if not, `NULL` in case of an error.

property_exists
Classkit
Classes/Object Functions
PHP Manual