How to develop Projects Using PHP and Mysql
Part 4
Now You have to
include
- navbar
(for landing page )
- header(for
both user and admin according to role)
- footer(for
both user and admin and landing page also )
- and sidebar (for both user and admin according to role)
So first you make a
folder includes(because you have to include all these files in all files u used
)
1.Why Use a Navbar File in a Project?
A navbar (navigation
bar) is a crucial part of a website, helping users navigate easily between
different sections. Instead of writing the same navbar code on every page,
developers often use a separate navbar file and include it in multiple
pages.
✅ Advantages of Using a Separate
Navbar File
1.
Maintains Consistency Across Pages
o Ensures
the same navigation structure on all pages.
o Provides
a uniform look and feel to the website.
2.
Increases Code Reusability
o Instead
of writing the navbar multiple times, a single navbar file can be used
across different pages.
o Reduces
code duplication and saves time.
3.
Easier Updates & Maintenance
o Any
change in the menu items, links, or design needs to be done only once,
and it reflects everywhere.
4.
Improves User Experience (UX)
o Users
can quickly access different sections of the website without getting
lost.
o A
sticky navbar ensures easy navigation even when scrolling.
5.
SEO & Accessibility Benefits
o A
well-structured semantic navbar (<nav>) improves SEO ranking
and accessibility.
o Helps
search engines understand the website structure better.
6.
Reduces Redundant Code &
Increases Efficiency
o Using
a separate navbar file ensures cleaner, structured, and modular code.
o Helps in improving the loading speed of the website.
7. Branding & Identity
- Often includes the logo, reinforcing brand identity.
- Maintains consistency across different pages.
📌 How to Use a Navbar File
in Different Technologies
🔹 In PHP (Reusable Navbar File)
<?php include 'navbar.php';
?>
🔹 In HTML (Using JavaScript Fetch
API)
<div id="navbar"></div>
<script>
fetch('navbar.html')
.then(response => response.text())
.then(data => document.getElementById('navbar').innerHTML
= data);
</script>
🔹 In React (Using Components)
import Navbar from './Navbar';
function App() {
return (
<div>
<Navbar />
<main>Main Content Here</main>
</div>
);
}
💡 Conclusion
A separate navbar file
makes web development more efficient, scalable, and easier to manage. It
enhances the user experience, maintains consistency, and improves
performance.
For code in php ----> click here
2. Why We Use a Header File in a Project?
A header file is
used in projects to improve code organization, reusability, and
maintainability. It typically contains common elements like
navigation bars, logos, or menus that appear on multiple pages of a website or
application.
✅ Advantages of Using a Header File
1.
Code Reusability
o Instead
of writing the same header code on every page, we write it once in a
separate file and include it wherever needed.
o This
reduces redundancy and saves time.
2.
Easy Maintenance
o If
you need to update the header (like adding a new link), you only update one
file, and the changes reflect on all pages.
3.
Consistent Design
o A
common header ensures that all pages have a uniform structure and styling.
o Helps
in branding and providing a smooth user experience.
4.
Faster Development
o Developers
can work on separate files (header, sidebar, footer, main content)
without affecting other parts of the project.
5.
Better Readability & Organization
o Large
projects can become messy with repeated header code.
o Keeping
the header in a separate file makes the main code cleaner and more readable.
📌 How to Use a Header File
in Different Technologies
🔹 In PHP
Use the include or require function to add the header in multiple pages:
<?php include 'header.php';
?>
🔹 In HTML (Using JavaScript Fetch
API)
<div id="header"></div>
<script>
fetch('header.html')
.then(response => response.text())
.then(data => document.getElementById('header').innerHTML
= data);
</script>
🔹 In React (Using Components)
import Header from './Header';
function App() {
return (
<div>
<Header />
<main>Welcome to the website</main>
</div>
);
}
💡 Conclusion
Using a header file
helps in reusability, consistency, and easy maintenance, making project
development faster and more efficient.
For code in php ----> click here
3. Why Use a Footer in a Project?
A footer is an
essential part of a website that appears at the bottom of every page. It
contains important information like copyright notices, navigation links,
contact details, social media links, privacy policies, and more.
✅ Advantages of Using a Footer
1.
Improves Navigation
o Many
websites include quick links in the footer, allowing users to access
important pages like About, Contact, FAQ, Terms & Conditions, etc.
2.
Enhances User Experience
o A
well-designed footer provides relevant information at the bottom of
every page, ensuring visitors don’t have to scroll back up for navigation.
3.
SEO Benefits
o Adding
internal links in the footer can improve SEO by helping search engines
index pages more efficiently.
4.
Branding & Trust
o A
footer with a company logo, social media links, and contact details
enhances brand credibility and trust.
5.
Legal & Privacy Notices
o Websites
often include terms of service, privacy policies, and copyright notices
in the footer to comply with legal requirements.
6.
Consistent Design & Structure
o A
common footer across all pages maintains uniformity and a professional
look.
📌 How to Use a Footer in
Different Technologies
🔹 In PHP (Reusable Footer File)
<?php include 'footer.php'; ?>
🔹 In HTML (Using JavaScript Fetch
API)
<div id="footer"></div>
<script>
fetch('footer.html')
.then(response => response.text())
.then(data => document.getElementById('footer').innerHTML
= data);
</script>
🔹 In React (Using Components)
import Footer from './Footer';
function App() {
return (
<div>
<main>Main Content Here</main>
<Footer />
</div>
);
}
💡 Conclusion
A footer is more
than just the bottom part of a webpage—it plays a crucial role in navigation,
branding, SEO, and legal compliance. Keeping a separate footer file
ensures easy updates and a consistent user experience across all
pages.
For code in php ----> click here
4. Why Use a Sidebar File in a Project?
A sidebar is a
vertical navigation section on a webpage, usually placed on the left or
right side. It provides quick access to important links, categories,
filters, or other navigation elements. Instead of writing the sidebar code
repeatedly on multiple pages, developers often use a separate sidebar file
to make the project more efficient.
✅ Advantages of Using a Separate
Sidebar File
1. Consistency Across
Pages
- Ensures
the same sidebar structure across multiple pages.
- Helps
users navigate easily without confusion.
2. Increases Code
Reusability
- Avoids
writing duplicate sidebar code on every page.
- Makes
the project modular and well-structured.
3. Easier Updates &
Maintenance
- If
you need to add, remove, or edit sidebar items, you can do it in
one place, and it will reflect everywhere.
- Saves
time and effort when updating the website.
4. Improves User
Experience (UX)
- A
well-structured sidebar helps users find important sections,
categories, or filters quickly.
- In
dashboards, a sidebar improves workflow and navigation.
5. Reduces Page Load Time
- Since
the sidebar is a reusable file, the browser can cache it, making
the page load faster.
6. Enhances Scalability
- Large
projects (like admin dashboards, e-commerce sites, and blogs) heavily
depend on sidebars for navigation.
- Using
a separate sidebar file makes it easier to scale and modify the
project.
📌 How to Use a Sidebar
File in Different Technologies
🔹 In PHP (Reusable Sidebar File)
<?php include 'sidebar.php'; ?>
🔹 In HTML (Using JavaScript Fetch
API)
<div id="sidebar"></div>
<script>
fetch('sidebar.html')
.then(response => response.text())
.then(data => document.getElementById('sidebar').innerHTML
= data);
</script>
🔹 In React (Using Components)
import Sidebar from './Sidebar';
function App() {
return (
<div>
<Sidebar />
<main>Main Content Here</main>
</div>
);
}
💡 Conclusion
A separate sidebar
file makes a project more organized, efficient, and scalable. It
improves the user experience, ensures consistent navigation, and
makes maintenance easier.
For code in php ----> click here