Magic Constants - PHP - P71

Описание: We'll be exploring PHP's Magic Constants.

__LINE__, which displays the current line number of the file.
_FILE_ , which displays the full path and filename of the file
__DIR__, which displays the directory of the file.
__FUNCTION__, which displays the function name, or {closure} for anonymous functions.
__CLASS__, which displays the class name. The class name includes the namespace it was declared in.
__TRAIT__, which displays the trait name. The trait name includes the namespace it was declared in.
__METHOD__, which displays the class method name.
__NAMESPACE__, which displays the name of the current namespace.

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Full Code
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