1. Install XAMPP: If you haven’t already installed XAMPP, download it from the Apache Friends website (https://www.apachefriends.org/index.html) and follow the installation instructions for your operating system (Windows, macOS, or Linux). You can find instructions here on how to download the XAMPP server for Windows. Click the link below.-https://www.aiuniverse.xyz/how-to-setup-xampp-in-windows-10/

2. Start XAMPP Control Panel: Once XAMPP is installed, start the XAMPP Control Panel. On Windows, you can typically find it in the Start menu or by searching for “XAMPP Control Panel”. On macOS, you can find it in the “Applications” folder.

3. Start Apache Server: In the XAMPP Control Panel, click the “Start” button next to Apache to start the Apache web server. Apache is the web server that will serve your PHP files.

4. Write PHP Code: Create or open a PHP file using a text editor. You can use any plain text editor such as Notepad (Windows), TextEdit (macOS), or any code editor like Visual Studio Code, Sublime Text, or Atom. For example, create a file named hello.php and add the following code:

   <?php
   echo "Hello, world!";
   ?>

5. Save PHP File: Save the PHP file in the htdocs directory inside the XAMPP installation directory. By default, on Windows, this directory is C:\xampp\htdocs, and on macOS, it’s /Applications/XAMPP/htdocs.

6. Access PHP File in Browser: Open your web browser and navigate to http://localhost/hello.php. This URL corresponds to the hello.php file located in the htdocs directory of your XAMPP installation. You should see “Hello, world!” displayed in your browser, indicating that your PHP code is running successfully.

That’s it! You’ve now successfully run PHP code in XAMPP. You can create more PHP files and access them in the browser using similar steps. Remember to stop the Apache server from the XAMPP Control Panel when you’re done testing your PHP code to conserve system resources.

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Whenever you import file in in database then after some processing time its show you have using Maximum execution time of 300 seconds exceeded will be showing this type of error in your database:

Step 1 : Stop your Xampp Server

Step 2: go to config.default.php

Once that’s done get back to finding phpMyadmin config file named something like “config.default.php”. On XAMPP you will find it under “C:\xampp\phpMyAdmin\libraries” folder. Open the file called config.default.php and set :

$cfg['ExecTimeLimit'] = 0;

Once set, restart your MySQL and Apache and go import your database.

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Composer is a dependency manager for PHP applications. It allows you to install, update, and manage third-party libraries for your Laravel project. Laravel uses Composer to manage its own dependencies, as well as the dependencies of any packages you install.

To install Composer on Windows, you can follow these steps:

1. Go to https://getcomposer.org/download/ in your web browser.

2. Download the Composer-Setup.exe file by clicking on the “Windows Installer” option.

3. Once the file is downloaded, double-click on it to run the installer.

4. The installer will guide you through the setup process. You can leave the default settings as they are or customize them as per your preference.

5. When you reach the “Installation Options” screen, make sure the “Add Composer to PATH” option is checked. This will allow you to use Composer from any directory in the Command Prompt.

6. Continue with the installation by following the remaining on-screen instructions.

7. After the installation finishes, open a new Command Prompt window (or restart it if it was already open).

8. To verify if Composer is installed properly, type “composer” in the Command Prompt and press Enter. It should display the Composer version and a list of available commands.

That’s it! Composer is now installed on your Windows system, and you can start using it for managing your PHP dependencies.

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Here are the top 5 PHP frameworks that every developer should learn:

1. Laravel

Laravel is a powerful, full-stack PHP framework with a great community and a focus on elegance and simplicity. It is a popular choice for web development projects of all sizes, from small blogs to large enterprise applications. Laravel is known for its expressive syntax, powerful features, and large ecosystem of libraries and packages.

2. Symfony

Symfony is another popular PHP framework with a strong focus on modularity and flexibility. It is the foundation for many other PHP frameworks, including Drupal and Magento. Symfony is a good choice for developers who need a framework that is highly customizable and can be adapted to a wide range of projects.

3. Yii

Yii is a high-performance PHP framework that is known for its speed and scalability. It is a good choice for developers who need to build web applications that can handle a lot of traffic. Yii is also a good choice for developers who are looking for a framework with a large and active community.

4. CodeIgniter

CodeIgniter is a lightweight PHP framework that is easy to learn and use. It is a good choice for developers who are just starting out with PHP or who need to build a simple web application quickly. CodeIgniter is also a good choice for developers who are looking for a framework with a small footprint.

5. Slim

Slim is a micro-framework that is designed to be as small and simple as possible. It is a good choice for developers who need to build small, RESTful APIs or web applications. Slim is also a good choice for developers who are looking for a framework that is easy to learn and use.

These are just a few of the many great PHP frameworks that are available. The best framework for you will depend on your specific needs and preferences.

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Both PHP and Python are popular programming languages for web development, each with its own strengths and weaknesses. The best choice for a particular project will depend on the specific requirements of that project.

The different characteristics and use cases:-

PHP:

• PHP is specifically designed for web development and has a wide range of frameworks like Laravel, Symfony, and CodeIgniter.
• It has been around for a long time and is widely used, so there is a large community and extensive documentation available.
• PHP is known for its simplicity and ease of use, making it suitable for beginners.
• It has good integration with databases, especially MySQL, which makes it useful for building dynamic websites.
• PHP is widely supported by hosting providers, making deployment easier.

Python:

• Python is a versatile language used not only for web development but also for various other purposes like data analysis, scripting, and machine learning.
• It has a robust web framework called Django, which is excellent for handling complex web applications.
• Python’s syntax is clean and readable, making it easy to learn and write maintainable code.
• It has a vast collection of libraries and packages that can be used to quickly develop web applications.
• Python is known for its scalability and performance, making it suitable for handling high-traffic websites.

The choice between PHP and Python ultimately depends on your specific needs and preferences. If you are primarily focusing on web development and want a language dedicated to that purpose, PHP may be a good choice. On the other hand, if you value versatility and want a language that can be used for various tasks along with web development, Python might be more fitting.

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What is PHP?

PHP stands for Hypertext Preprocessor. PHP is a server-side scripting language that is primarily used for web development. It is an open-source language that can be embedded into HTML and is executed on the server side. Therefore, it is used to develop web applications.

PHP was created by Rasmus Lerdorf in 1994 but appeared in the market in 1995. PHP 7.4.0 is the latest version of PHP, which was released on 28 November. 

What is top use cases of PHP?

Top use cases of PHP:

1. Web Development: PHP is mainly used for building dynamic websites and web applications. It can handle form data, interact with databases, and generate dynamic content on the fly.
2. Content Management Systems (CMS): Many popular CMS platforms like WordPress, Joomla, and Drupal are built using PHP, making it easier to create and manage website content.
3. E-commerce Websites: PHP is commonly used to develop online shopping websites and integrate payment gateways for secure transactions.
4. Web Services and APIs: PHP can be used to create RESTful APIs and web services to allow communication between different applications and systems.
5. Social Media Applications: PHP is utilized to build social networking platforms, forums, and community-driven websites.
6. Data Processing: PHP can handle data processing tasks, such as form submissions, file uploads, and data manipulation.
7. Real-time Applications: Though not as common as other languages, PHP can be used to build real-time applications using technologies like WebSockets.

What are feature of PHP?

Features of PHP:-

• Open Source: An open-source language, which means it’s free to use, distribute, and modify.
• Easy to Learn: It has a simple syntax that is similar to C and Perl.
• Platform Independent: Which means it can run on different operating systems, such as Windows, Linux, and macOS.
• Integration with Other Technologies: PHP can be easily integrated with other technologies, such as HTML, CSS, JavaScript, and databases like MySQL, PostgreSQL, and Oracle.
• Object-Oriented Programming (OOP): PHP supports object-oriented programming (OOP) concepts such as encapsulation, inheritance, and polymorphism.
• Scalability: PHP is highly scalable, which means it can handle large applications with ease.
• Security: PHP has built-in security features to prevent attacks like SQL injection and cross-site scripting (XSS).
• Large Community Support: PHP has a large community of developers who contribute to its development, documentation, and support.
• Fast Execution: PHP is optimized for web development, and it’s designed to execute quickly and efficiently on web servers.

What is the workflow of PHP?

The workflow of PHP is as follows:

1. The user requests a web page from the server.
2. The server executes the PHP code on the web page.
3. The PHP code generates the HTML output for the web page.
4. The server sends the HTML output to the user’s browser.
5. The user’s browser renders the HTML output and displays the web page to the user.

PHP works by first receiving a request from the user’s browser. The request is then sent to the server, where the PHP code is executed. The PHP code generates the HTML output for the web page, which is then sent back to the user’s browser. The user’s browser then renders the HTML output and displays the web page to the user.

How PHP Works & Architecture?

PHP works as a server-side scripting language, which means it runs on the web server and is responsible for generating dynamic content that is sent to the client’s web browser. Let’s explore the architecture and how PHP works step by step:

Step 1: The client requests the webpage on the browser.

Step 2: After receiving the client’s request, the server (where PHP software is installed) checks for the presence of the .php file associated with the request.

Step 3: When a file is found, it is sent to the PHP interpreter, as PHP is an interpreted language. The interpreter then checks for the requested data in the database.

Step 4: The interpreter takes the requested data and sends it back as an HTML webpage because web browsers can’t understand .php files.

Step 5: The web server receives the HTML file from the interpreter.

Step 6: And it sends the webpage back to the browser.  

How to Install and Configure PHP?

The installation process for PHP varies depending on the operating system and web server you are using. Here’s a general outline of the steps:

Step 1: Download PHP

• Visit the official PHP website (https://www.php.net/downloads) and download the PHP installer for your OS.

Step 2: Install PHP

• Follow the installation instructions provided for your OS and web server. For example, on Windows, you might need to run the installer and follow the setup wizard.

Step 3: Configure PHP (optional)

• After installing PHP, you can configure it by modifying the “php.ini” file to suit your needs. This file contains various settings for PHP, such as error reporting, file upload limits, and more.

Step 4: Test PHP

• Create a simple PHP file, e.g., “test.php,” containing the following code:

<?php
phpinfo();
?>

• Save the file and place it in your web server’s document root directory.
• Open a web browser and access the file using the URL (e.g., http://localhost/test.php).
• If PHP is correctly installed and configured, you should see a page displaying PHP configuration information.

Step by Step Tutorials for PHP for hello world program

To create a hello world program in PHP, you can follow these steps:

1. Create a new file and save it as hello.php.
2. In the hello.php file, add the following code:

PHP

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>PHP - Hello, World!</title>
</head>
<body>
        <h1>Hello, World!</h1>
</body>
</html>

3. Save the hello.php file.
4. Open the hello.php file in a web browser.
5. You should see the message “Hello, world!” displayed in the web browser.

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Array functions in PHP are built-in functions that are designed to help you work with arrays in PHP. Arrays are a fundamental data structure in PHP that allow you to store and manipulate collections of values.

PHP array functions provide a wide range of tools to work with arrays, including creating arrays, adding and removing elements, sorting and filtering arrays, searching for values in arrays, and merging arrays together. These functions are designed to make it easy to work with arrays in PHP, and can be used to perform complex operations on arrays with just a few lines of code.

PHP has a variety of built-in functions for working with arrays. Some of the most commonly used PHP array functions are:

1. count(): This function is used to Counts the number of elements in an array.
2. in_array(): This function is used to checks if a value exists in an array.
3. array_push(): This function is used to Adds one or more elements to the end of an array.
4. array_pop(): This function is used to Removes and returns the last element of an array.
5. array_shift(): This function is used to Removes and returns the first element of an array.
6. array_unshift(): This function is used to Adds one or more elements to the beginning of an array.
7. array_slice(): This function is used to Extracts a portion of an array.
8. array_merge(): This function is used to Merges two or more arrays into a single array.
9. array_reverse(): This function is used to Reverses the order of elements in an array.
10. array_search(): Searches an array for a given value and returns the corresponding key.
11. array_unique(): This function is used to Removes duplicate values from an array.
12. sort(): This function is used to Sorts an array in ascending order.
13. rsort(): This function is used to Sorts an array in descending order.
14. shuffle(): This function is used to Shuffles the elements of an array randomly.
15. array_key_exists(): Checks if a given key exists in an array.

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What is PHP ?

PHP stands for Hypertext Preprocessor. PHP is a server-side scripting language that is primarily used for web development. It is an open-source language that can be embedded into HTML and is executed on the server side. Therefore, it is used to develop web applications.

PHP was created by Rasmus Lerdorf in 1994 but appeared in the market in 1995. PHP 7.4.0 is the latest version of PHP, which was released on 28 November. 

Some Important points are:-

• PHP stands for Hypertext Preprocessor.
• PHP was created by Rasmus Lerdorf in 1994.
• The latest version of PHP is 8.2, It was released on November 24, 2022.
• PHP is an interpreted language, i.e., there is no need for compilation.
• PHP is faster than other scripting languages, for example, ASP and JSP.
• PHP is a server-side scripting language, which is used to manage the dynamic content of the website.
• PHP can be embedded into HTML.
• PHP is an object-oriented language.
• PHP is an open-source scripting language.
• PHP is simple and easy to learn language.

Basic Syntax PHP

A PHP script can be written anywhere inside the HTML document. A PHP script starts with <?php tag and ends with ?>. We can write our logic inside this tag and it will be executed accordingly.

<?php
// PHP code goes here
?>

Displaying output in php

<?php
echo "hello";
?>

Output: hello

Basic Example:

<!DOCTYPE html>
<html>
<body>
<h1>My first PHP page</h1>
<?php
echo "Hello World!";
?>
</body>
</html>

Output: Hello World

Uses of PHP:

PHP is a server-side scripting language, which is used to design the dynamic web applications with MySQL database. There are also other uses like

1. Handling Forms: PHP can handle form operations. It can gather data, save data to a file and send data through emails.
2. Database Operations: PHP can also create, read, update and delete elements in your database.
3. Encryption: It can perform advanced encryption and encrypt data for you.
4. Dynamic Page Content: It can generate dynamic page content.

Features of PHP:

• Open Source: An open-source language, which means it’s free to use, distribute, and modify.
• Easy to Learn: It has a simple syntax that is similar to C and Perl.
• Platform Independent: Which means it can run on different operating systems, such as Windows, Linux, and macOS.
• Integration with Other Technologies: PHP can be easily integrated with other technologies, such as HTML, CSS, JavaScript, and databases like MySQL, PostgreSQL, and Oracle.
• Object-Oriented Programming (OOP): PHP supports object-oriented programming (OOP) concepts such as encapsulation, inheritance, and polymorphism.
• Scalability: PHP is highly scalable, which means it can handle large applications with ease.
• Security: PHP has built-in security features to prevent attacks like SQL injection and cross-site scripting (XSS).
• Large Community Support: PHP has a large community of developers who contribute to its development, documentation, and support.
• Fast Execution: PHP is optimized for web development, and it’s designed to execute quickly and efficiently on web servers.

PHP Comments:

A comment is a part of the coding file that are not executed by the compiler and interpreter. There are two types:-

1. Single Line Comments: The Single Line comments is used to comment only one line.

<?php
// This is a single-line comment
# This is also a single-line comment
?>

2. Multiple-Line Comments: The Multiple-Line comments is used to comment only one line.

<?php
/*
This is a
multiple line
Comment.
*/
?>

Variables in PHP:

Variables are containers that can store information, a variable is declared using a $ sign followed by the variable name. Here, some important points to know about variables:

• PHP is a loosely typed language, so we do not need to declare the data types of the variables. It automatically analyzes the values and makes conversions to its correct datatype.
• After declaring a variable, it can be reused throughout the code.
• Assignment Operator (=) is used to assign the value to a variable.

Syntax of declaring a variable in PHP is given below:

$variablename=value;  

Rules for declaring PHP variable:

• All variables should be denoted with a Dollar Sign ($).
• Variables are assigned with the = operator, with the variable on the left-hand side and the expression to be evaluated on the right.
• Variable names can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ ).
• Variables must start with a letter or the underscore “_” character.
• Variables are case sensitive, so $name and $NAME both are different variable.
• Variable names cannot start with a number.

For Example:

<?php
$str = "Hello world!";  # String type
$x = 5;                        # int
  type
$y = 10.5;         # Float type
?>

PHP Variable Scope:

The scope of the variable is the area within which the variable has been created.

PHP has three types of variable scopes:

1. Local variable
2. Global variable
3. Static variable

Local Variable:

A local variable is declared within a function and can be only used inside the function. This means that these variables cannot be accessed outside the function, as they have local scope.

Example:

<?php  
    function local_var()  
    {  
        $company = "Cotocus";  //local variable
        echo "My Company Name is: " .$local_var;  
    }  
    local_var(); //Calling the function
   
?>  

Output:

My Company Name is: Cotocus

Global variable:

A global variable is declared outside of any function or block, and can be accessed from any part of the program.

Example:

<?php  
    $name = "Maruti";        //Global Variable  
    function global_var()  
    {  
        global $name;  
        echo "Variable inside the function: ". $name;  
        echo "</br>";  
    }  
    global_var();  
    echo "Variable outside the function: ". $name;  
?>  

Output:

Variable inside the function: Maruti
Variable outside the function: Maruti

Static variable:

PHP has a feature that deletes the variable once it has finished execution and frees the memory. When we need a local variable which can store its value even after the execution, we use the static keyword before it and the variable is called static variable. 

These variables only exist in a local function and do not get deleted after the execution has been completed. 

Example:

<?php  
    function static_var()  
    {  
        static $num1 = 5;    //static variable  
        $num2 = 7;          //Non-static variable  
        //increment in non-static variable which will increment its value to 7
        $num1++;  
        //increment in static variable which will increment its value to 4 after first execution and 5 after second execution
        $num2++;  
        echo "Static: " .$num1 ."</br>";  
        echo "Non-static: " .$num2 ."</br>";  
    }  


//first function call  
    static_var();  

//second function call  
    static_var();  
?>  

Output:

Static: 6
Non-static: 8
Static: 7
Non-static: 8

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PHP is Open Source server-side programming / Scripting language that is especially suited for web development and can be embedded into HTML.

PHP stands for Hypertext Preprocessor but it’s original name, Personal Home Page. It was created by Ramsum Lerdorf in 1994.

PHP runs on various platforms Windows, Linux, Unix, Mac OS X, etc.

PHP is compatible with almost all servers Apache, IIS, etc.

At Present in 2017 Php 7.2.0 is latest version of PHP

PHP File Extension .php

What we can do with PHP

• Generate Dynamic Page
• Handle button clicks, radio button
• Create Database Application
• Client/server Application
• Student Registration
• Online Course
• Online Shopping cart
• Chat Rooms

Example

How PHP Works

Development Environment

• Operating System – Windows, Linux, Mac etc.
• Web Server – XAMP, WAMP, MAMP etc.
  • §XAMP – Apache + MariaDB + PHP + Perl

• Editor/IDE – NotePad, NotePad ++, NetBeans, Brackets, Eclipse etc.
• Web Browser – Chrome, Firefox etc.

Basic Structure of PHP

Basic Structure of PHP

Variable

Variables are containers which is used to store information.

Type of Variables: –

• Local Variable
• Global Variable
• Static Variable

Variable Declaration

In PHP, variable names begin with $ sign, followed by a name.

Ex: –

• $roll
• $price
• $name

Rules

• Variable starts with $ sign.
• Variable name only starts with a letter, an underscore ( _ ).
• Variable name cannot start with a number.
• It is case sensitive which implies that the variable num in lowercase is different from variable NUM in uppercase.
• Do not use Predefined constant name e.g. PHP_VERSION , PHP_OS etc.
• Do not use reserved keywords. e.g. else, if etc.

Variable Initialization

PHP can store all type of data in variables. Before using a variable in PHP, assign a value to it so PHP will create that variable and store data in it. That means we have to assign data to a variable before attempting to read a variable’s value.

Ex: –

• $roll = 256;
• $price = 25.50;
• $name = “Geeky Shows”;

Note – If a variable is created without a value, it is automatically assigned a value of NULL.

Internal Data Types

In other language, you need to specify the exact data format of each variable, but PHP handles that for you.

• Integer – It can hold whole number. Ex: 12, 0, -34 etc.
• Float/Double – It can hold floating point number. Ex: 25.2654, 2.12 etc.
• String – It can hold text or group of characters. Ex: – “Geeky Shows” etc.
• Boolean – It can hold true/false value.
• Array – It can hold multiple values in one single variable.
• Object – It can hold programming objects.
• Resource – It is special variable that hold references to resources external to PHP.
• NULL – It can hold only one value – NULL .

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First let’s go to your Laravel project And add your database this field

And go to your blade file Permission url Ya route defined them checkbox and add button click

And go to route

Go to your controller and your function this code add

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