Exceptions or Errors (in rust) is a state of a program when a piece of code does not execute as it should. It may be due to a resource that should be available at this time but is not.

Arrays in Rust are not dynamic, array size and type of data it will hold need to be defined before compilation. Vector are the dynamic arrays in Rust.

Array is collection of same type items. Arrays in Rust are different from other programming languages because they must contain a predetermined number of values.

Loops is a way to execute a portion of code again and again to meet a certain objective. Rust provides different looping functionalities for different situations and settings.

PHP code snippet to get the complete URL typed in the browser. It will get complete URL with query string.