How do you return a function in PHP?

How do you return a function in PHP?

PHP Functions returning value A function can return a value using the return statement in conjunction with a value or object. return stops the execution of the function and sends the value back to the calling code. You can return more than one value from a function using return array(1,2,3,4).

What is the function name in PHP?

Function names follow the same rules as other labels in PHP. A valid function name starts with a letter or underscore, followed by any number of letters, numbers, or underscores. As a regular expression, it would be expressed thus: ^[a-zA-Z_-00ff][a-zA-Z0-9_-00ff]*$ . See also the Userland Naming Guide.

What is return statement in PHP?

The return keyword ends a function and, optionally, uses the result of an expression as the return value of the function. If return is used outside of a function, it stops PHP code in the file from running.

What is __ function __ in PHP?

__FUNCTION__ returns only the name of the function. while as __METHOD__ returns the name of the class alongwith the name of the function. class trick. { function doit()

Which function returns information about a file?

Explanation: The function filesize() returns the size of the specified file and it returns the file size in bytes on success or FALSE on failure. 2.

Are function names case sensitive in PHP?

In PHP, class names as well as function/method names are case-insensitive, but it is considered good practice to them functions as they appear in their declaration.

What type of value can a function return?

A return is a value that a function returns to the calling script or function when it completes its task. A return value can be any one of the four variable types: handle, integer, object, or string. The type of value your function returns depends largely on the task it performs.

What is the strpos () function used for?

strpos in PHP is a built-in function. Its use is to find the first occurrence of a substring in a string or a string inside another string. The function returns an integer value which is the index of the first occurrence of the string.

What is dirname (__ FILE __)?

dirname(__FILE__) : dirname is a function in php which returns the full directory path of a file.

What is a function that returns a function called?

It’s technically called a funfunction. And, a function which returns a funfunction is called a funfunfunction.