Which of the following PHP function can be used for generating unique ID?

Which of the following PHP function can be used to build a function that accept any number of arguments?

Solution(By Examveda Team)

<? php function foo() { $args = func_get_args(); foreach ($args as $k => $v) { echo “arg”.

Which PHP function is used to find files?

PHP File_exists Function

This function is used to determine whether a file exists or not. It comes in handy when we want to know if a file exists or not before processing it.

What are the functions used in PHP?

The table below shows the common PHP numeric functions

Function Description Output
round Round off a number with decimal points to the nearest whole number. 3
sqrt Returns the square root of a number 10
cos Returns the cosine 0.52532198881773
sin Returns the sine 0.85090352453412

Which of the following is not a built-in function in PHP?

Which function is not a built-in function in PHP ? addNumber() is not a built-in function in PHP.

What is PHP call function?

A PHP function provides code that a PHP script can call to perform a task, such as Count(), file_get_contents(), and header(). The PHP language supports both procedural and object-oriented programming paradigms.

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How do you declare a function?

You can declare a function by providing its return value, name, and the types for its arguments. The names of the arguments are optional. A function definition counts as a function declaration.

Why file is used in PHP?

PHP File System allows us to create file, read file line by line, read file character by character, write file, append file, delete file and close file.

Which PHP introduced try catch expect?

6. Which version of PHP introduced Try/catch Exception? Explanation: PHP 5 version and later versions added support for Exception Handling.

Which PHP function accepts number of parameters?

7 Answers. In PHP, use the function func_get_args to get all passed arguments.

What is PHP function with examples?

PHP functions are similar to other programming languages. A function is a piece of code which takes one more input in the form of parameter and does some processing and returns a value. … They are built-in functions but PHP gives you option to create your own functions as well.

How many types of PHP methods are there?

Types of Functions in PHP. There are two types of functions as: Internal (built-in) Functions. User Defined Functions.

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