PHP Magic Constant Example Introduction, PHP Magic constant _php Tutorial

PHP Magic Constants Examples introduced, PHP Magic constants

The Magic constant PHP provides a lot of predefined constants to any script it runs, and our usual PHP magic constants are __class__ __function__ __line__ __file__ __dir__ __method__, This article introduces PHP Magic constants to you through examples of PHP

Instance:

Classpublicfunction  Moshu () {  echo__class__ . "
";   Echo __function__ . "
";   Echo __line__ . "
";   Echo __file__ . "
";   Echo ' folder where the current file is located in the absolute path: '. __dir__. "
";   Echo __method__ . "
"; }} $moshu New Moshu (); $moshu->moshu ();

Copy the code here to run a

The results are as follows:

Current class Name: Moshu Current method Name: Moshu the number of lines in the current file: the Absolute path of the current file: D: \xampp\htdocs\test\moshu. The folder of the absolute path where the current file of PHP is located: D:\xampp\htdocs\test Returns the class name :: Method Name: Moshu::moshu

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