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Parameters ¶ trait Name of the trait to check autoload Whether to autoload if not already loaded.
La fonction trait_exists vérifie si le trait spécifié existe dans la portée courante. Le premier paramètre de la fonction accepte le nom du trait sous forme de chaîne, le second (optionnel) - un drapeau indiquant s'il faut utiliser le chargement automatique des classes.
Mar 2, 2021 · The trait_exists () function in PHP is an inbuilt function that is used to check whether a trait exists or not. This function accepts the traitname and autoload as parameters and returns true if trait exists, false if not, null in case of an error.
The PHP Class/Object trait_exists() function is used to check that a specific trait exists in the current script. Traits are a medium to reuse code in single inheritance in PHP.
انظر أيضًا الدالة class_exists(): التحقق من أنّ الصنف الممرّر مُعرّف. الدالة function_exists(): التحقق أنَّ الدالة المعطاة مُعرَّفة. مصادر صفحة الدالة trait_exists في توثيق PHP الرسمي.
Execute trait_exists Online. Info and examples on trait_exists PHP Function from Class/Object Information - Variable and Type Related Extensions
Jul 30, 2009 · Built-in Functions!! expr - Logical not. Examples: > SELECT ! true; false > SELECT ! false; true > SELECT ! NULL; NULL . Since: 1.0.0!= expr1 != expr2 - Returns true if expr1 is n
