Category: PHP Interview Question

No, we cannot submit a form without reloading the page in PHP. As PHP is a server-side language, it requires a page reload to process the form data.

Traits are a kind of method that allows us to reuse the code. They provide a means to mitigate the constraints of single inheritance by allowing us to freely reuse sets of methods across multiple classes that exist in separate class hierarchies.

Namespaces are qualifiers that are used to group the classes that work together. They are usually used to encapsulate classes, interfaces, functions, and constants that perform similar tasks. Syntax:   namespace example; This creates a namespace by the name of “example”

There are three main types of errors in PHP. They are as follows:

Yes, a form can be submitted without the explicit use of a button. This is done by making use of the JavaScript submit() function easily. Next up on this PHP developer interview questions, it is vital that you know about PHP in detail. Read on.

Sessions are global variables that are stored on the server inside the architecture. Every single session is tagged with a unique server ID that is later used to work with the storage and retrieval of values. Cookies are entities used to identify unique users in the architecture. It is a small file that the server…

The crypt() function is widely used for this functionality as it provides a large amount of hashing algorithms that can be used. These algorithms include md5, sha1 or sha256.

require() require_once() The inclusion and evaluation of files Includes files if they are not included before Preferred for files with fewer functions Preferred when there are a lot of functions

Yes, HTML and PHP interaction is at the core of what makes PHP’s functionality. PHP scripts have the ability to generate HTML mode and move around information very easily. PHP is a server-side scripting language, while HTML is a client-side language. This interaction helps bridge the gaps and use the best of both languages.

JavaScript is a client-side programming language, while PHP is a server-side scripting language. PHP has the ability to generate JavaScript variables, and this can be executed easily in the browser, thereby making it possible to pass variables to PHP using a simple URL.