What is the life cycle of PHP?
Each version of PHP has a life cycle of 2 years from its official release (stable version), this means that over that time bugs and security problems that are reported by users and the developer community will be fixed and made available at regular point versions.
What are the different types of PHP variable?
PHP supports the following data types:
- String.
- Integer.
- Float (floating point numbers – also called double)
- Boolean.
- Array.
- Object.
- NULL.
- Resource.
What are the different types of PHP variables and explain its characteristics?
Integers − are whole numbers, without a decimal point, like 4195. Doubles − are floating-point numbers, like 3.14159 or 49.1. Booleans − have only two possible values either true or false. NULL − is a special type that only has one value: NULL.
How PHP variables are used explain with examples?
Variables are used to store data, like string of text, numbers, etc. Variable values can change over the course of a script. PHP automatically converts the variable to the correct data type, depending on its value. After declaring a variable it can be reused throughout the code.
What is lifecycle in laravel?
As you know, Laravel is a framework with rich features. In this post, we’ll discuss the backbone of Laravel called “Request Lifecycle”. Request Lifecycle has different terminologies like Autoloader, kernel, Service Providers, Dispatch Request, and Router.
How many compound data types are available in PHP?
four compound types
PHP has four scalar types, four compound types, and two special types. Scale types: integer, float, string, and boolean. Compound types: array and object.
What are the characteristics of PHP variables?
PHP Variables
- A variable starts with the $ sign, followed by the name of the variable.
- A variable name must start with a letter or the underscore character.
- A variable name cannot start with a number.
- A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ )
What is request life cycle?
The request life cycle begins at the Start block and completes at the End block. When the request is created, only status/es connected to the Start are displayed to the user. Similarly, the request flow is considered to be closed only when the request reaches a status connected to the End block.