It returns an int, representing a character. (Basically, chars are ints.) However, if EOF (End-Of-File) has been read, it will return EOF (-1) and set the eof error flag accordingly.
char
Below is a simple example of how you could return a value in a PHP function. <?php function returnme($value) { return $value; } echo returnme('hello'); // outputs: hello ?>
no, every function can not return a value. for example void name() { cout<<"Hello world"; } this function does not return any value due to the key word void that tells the compiler that the function does not returns a value.
The function header. The return value is written before the name of the function. This return type must match the type of the value returned in a return statement.
return
echo function();
In a value-returning function, you need to include a "return" statement to specify the value that the function should return back to the caller.
It means end the function. Functions automatically end when execution reaches the end of the function, but you can return from a function at any point within the function with a return statement. If the function returns a value to its caller, you must provide a reachable return statement along with the value you wish to return.
Where there is no need to return any type of value from a function
No, it is a function. But printf does return a value: the number of characters it has written.
The return statement is used in functions to return control to the caller. If the function is declared non-void, the return statement also allows the programmer to return a value to the caller.
It depends on the function in question.