This magic constant returns the function name, where this constant is used.
Which of the following magic constant of PHP returns the class name?
__class__: This magic constant return the name of the class where this magic constant is included. Example: PHP.
What the file constant contains in PHP?
The __FILE__ constant returns full path and name of the PHP file that’s being executed. If used inside an include, the name of the included file is returned.
What is __ function in PHP?
The __() is just an alias for it. So __(“some text”) is equivalent to gettext(“some text”) edit: Actually if it’s two underscores than it isn’t gettext(). The alias for gettext() is one underscore.
Which of the following is not a magic predefined constant in PHP Mcq?
9) Which of the following are not predefined magic constant? Explanation: The __PATH__ is not predefined magic constant in PHP.
What is the magic constant in PHP?
Magic constants are the predefined constants in PHP which get changed on the basis of their use. They start with double underscore (__) and ends with double underscore. They are similar to other predefined constants but as they change their values with the context, they are called magic constants.
What is a magic constant C++?
(C++) magic constant
A magic constant is the use of a literal without mentioning where that literal came from. For example, in the code below, 12 is a magic constant that occurs twice.
How is magic constant calculated?
The magic constant of a magic square of nth order can be found by dividing the sum of 1 to n2 by n; namely, the magic constant = n (n2+1)/2. Magic squares are called “magic squares” in English.
What does magic sum mean?
The magic constant or magic sum of a magic square is the sum of numbers in any row, column, or diagonal of the magic square. For example, the magic square shown below has a magic constant of 15.
How can we define constants in PHP?
A constant name starts with a letter or underscore, followed by any number of letters, numbers, or underscores. If you have defined a constant, it can never be changed or undefined. To define a constant you have to use define() function and to retrieve the value of a constant, you have to simply specifying its name.
How many magic functions are there in PHP?
Introduction to PHP magic methods
|__toString()||is invoked when an object of a class is treated as a string.|
|__invoke()||is invoked when an object is called as a function|
|__set_state()||is called for a class exported by var_export()|
|__clone()||is called once the cloning is complete|
What are PHP magic methods functions list them?
The following method names are considered magical: __construct(), __destruct(), __call(), __callStatic(), __get(), __set(), __isset(), __unset(), __sleep(), __wakeup(), __serialize(), __unserialize(), __toString(), __invoke(), __set_state(), __clone(), and __debugInfo().
Which magic function is used to clone an object?
The __clone() magic method is used to clone a class using a same new instance. If you notice closely, when we create a new object of class likeso, $class = new DevPeel(); a new object created of a classes and includes a index flag with the object.
Which of the following is not predefined constant in PHP?
PHP: Predefined Constants – Manual.
Which of the following is correct about constants PHP?
Q 2 – Which of the following is correct about constants vs variables in PHP? A – There is no need to write a dollar sign ($) before a constant, where as in Variable one has to write a dollar sign. B – Constants cannot be defined by simple assignment, they may only be defined using the define() function.
Which of the following is the use of strlen () function in PHP?
The strlen() function is used to get the string length. It returns the length of the string on success. If the string is empty, 0 is returned.