#php string operators
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infoanalysishub · 1 day ago
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PHP Operators Explained: Types, Examples, and Usage
Learn everything about PHP operators with this complete guide. Understand arithmetic, assignment, comparison, logical, string, array, and other PHP operators with examples and usage tips. 🧮 Mastering PHP Operators: A Complete Guide for Beginners Operators are essential building blocks of any programming language, including PHP. They help you perform operations on variables and values, such as…
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sqlinjection · 8 months ago
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SQLi Potential Mitigation Measures
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Phase: Architecture and Design
Strategy: Libraries or Frameworks
Use a vetted library or framework that prevents this weakness or makes it easier to avoid. For example, persistence layers like Hibernate or Enterprise Java Beans can offer protection against SQL injection when used correctly.
Phase: Architecture and Design
Strategy: Parameterization
Use structured mechanisms that enforce separation between data and code, such as prepared statements, parameterized queries, or stored procedures. Avoid constructing and executing query strings with "exec" to prevent SQL injection [REF-867].
Phases: Architecture and Design; Operation
Strategy: Environment Hardening
Run your code with the minimum privileges necessary for the task [REF-76]. Limit user privileges to prevent unauthorized access if an attack occurs, such as by ensuring database applications don’t run as an administrator.
Phase: Architecture and Design
Duplicate client-side security checks on the server to avoid CWE-602. Attackers can bypass client checks by altering values or removing checks entirely, making server-side validation essential.
Phase: Implementation
Strategy: Output Encoding
Avoid dynamically generating query strings, code, or commands that mix control and data. If unavoidable, use strict allowlists, escape/filter characters, and quote arguments to mitigate risks like SQL injection (CWE-88).
Phase: Implementation
Strategy: Input Validation
Assume all input is malicious. Use strict input validation with allowlists for specifications and reject non-conforming inputs. For SQL queries, limit characters based on parameter expectations for attack prevention.
Phase: Architecture and Design
Strategy: Enforcement by Conversion
For limited sets of acceptable inputs, map fixed values like numeric IDs to filenames or URLs, rejecting anything outside the known set.
Phase: Implementation
Ensure error messages reveal only necessary details, avoiding cryptic language or excessive information. Store sensitive error details in logs but be cautious with content visible to users to prevent revealing internal states.
Phase: Operation
Strategy: Firewall
Use an application firewall to detect attacks against weaknesses in cases where the code can’t be fixed. Firewalls offer defense in depth, though they may require customization and won’t cover all input vectors.
Phases: Operation; Implementation
Strategy: Environment Hardening
In PHP, avoid using register_globals to prevent weaknesses like CWE-95 and CWE-621. Avoid emulating this feature to reduce risks. source
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izicodes · 1 year ago
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Tuesday 5th March 2024 - [ Week 1 Day 3 ]
Today I studied primarily on Codecademy's "Learn PHP Skill Path" and still on the basics but it's pretty easy??? Programming languages have a trend of starting off relatively the same, each having small differences.
I don't know if the time of this challenge I would get to the very hard parts of PHP (if there are any? I'm not sure) but so far I am loving it!
What I learnt today: 🌷 Escapes 🌷 String Concatenation 🌷 Creating Variables 🌷 Using Variables 🌷 Variable Parsing 🌷 Variable Reassignment 🌷 Concatenating Assignment Operator 🌷 Assign by Reference 🪻 Numbers 🪻 Addition and Subtraction 🪻 Using Number Variables 🪻 Multiplication and Division 🪻 Exponentiation 🪻 Order of Operations 🪻 Mathematical Assignment Operators
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💌 Day 3: How do you print “Welcome to Earth!” in PHP?
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[ The challenge ]
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learnershub101 · 2 years ago
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25 Udemy Paid Courses for Free with Certification (Only for Limited Time)
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2023 Complete SQL Bootcamp from Zero to Hero in SQL
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Earn Passive Income by Building an Amazon Affiliate E-Commerce Store using WordPress, WooCommerce, WooZone, & Elementor
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AWS, JavaScript, React | Deploy Web Apps on the Cloud
Cloud Computing | Linux Foundations | LAMP Stack | DBMS | Apache | NGINX | AWS IAM | Amazon EC2 | JavaScript | React
What you'll learn
Foundations of Cloud Computing on AWS and Linode Cloud Computing Service Models (IaaS, PaaS, SaaS) Deploying and Configuring a Virtual Instance on Linode and AWS Secure Remote Administration for Virtual Instances using SSH Working with SSH Key Pair Authentication The Foundations of Linux (Maintenance, Directory Commands, User Accounts, Filesystem) The Foundations of Web Servers (NGINX vs Apache) Foundations of Databases (SQL vs NoSQL), Database Transaction Standards (ACID vs CAP) Key Terminology for Full Stack Development and Cloud Administration Installing and Configuring LAMP Stack on Ubuntu (Linux, Apache, MariaDB, PHP) Server Security Foundations (Network vs Hosted Firewalls). Horizontal and Vertical Scaling of a virtual instance on Linode using NodeBalancers Creating Manual and Automated Server Images and Backups on Linode Understanding the Cloud Computing Phenomenon as Applicable to AWS The Characteristics of Cloud Computing as Applicable to AWS Cloud Deployment Models (Private, Community, Hybrid, VPC) Foundations of AWS (Registration, Global vs Regional Services, Billing Alerts, MFA) AWS Identity and Access Management (Mechanics, Users, Groups, Policies, Roles) Amazon Elastic Compute Cloud (EC2) - (AMIs, EC2 Users, Deployment, Elastic IP, Security Groups, Remote Admin) Foundations of the Document Object Model (DOM) Manipulating the DOM Foundations of JavaScript Coding (Variables, Objects, Functions, Loops, Arrays, Events) Foundations of ReactJS (Code Pen, JSX, Components, Props, Events, State Hook, Debugging) Intermediate React (Passing Props, Destrcuting, Styling, Key Property, AI, Conditional Rendering, Deployment) Building a Fully Customized E-Commerce Site in React Intermediate React Concepts (JSON Server, Fetch API, React Router, Styled Components, Refactoring, UseContext Hook, UseReducer, Form Validation)
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Run Multiple Sites on a Cloud Server: AWS & Digital Ocean
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CSS, Bootstrap, JavaScript And PHP Stack Complete Course
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Learn HTML - For Beginners
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How to Code in HTML Structure of an HTML Page Text Formatting in HTML Embedding Videos Creating Links Anchor Tags Tables & Nested Tables Building Forms Embedding Iframes Inserting Images
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Learn to create mobile-responsive web pages using Bootstrap
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JavaScript, Bootstrap, & PHP - Certification for Beginners
A Comprehensive Guide for Beginners interested in learning JavaScript, Bootstrap, & PHP
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Master Client-Side and Server-Side Interactivity using JavaScript, Bootstrap, & PHP Learn to create mobile responsive webpages using Bootstrap Learn to create client and server-side validated input forms Learn to interact with a MySQL Database using PHP
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Linode: Build and Deploy Responsive Websites on the Cloud
Cloud Computing | IaaS | Linux Foundations | Apache + DBMS | LAMP Stack | Server Security | Backups | HTML | CSS
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Understand the fundamental concepts and benefits of Cloud Computing and its service models. Learn how to create, configure, and manage virtual servers in the cloud using Linode. Understand the basic concepts of Linux operating system, including file system structure, command-line interface, and basic Linux commands. Learn how to manage users and permissions, configure network settings, and use package managers in Linux. Learn about the basic concepts of web servers, including Apache and Nginx, and databases such as MySQL and MariaDB. Learn how to install and configure web servers and databases on Linux servers. Learn how to install and configure LAMP stack to set up a web server and database for hosting dynamic websites and web applications. Understand server security concepts such as firewalls, access control, and SSL certificates. Learn how to secure servers using firewalls, manage user access, and configure SSL certificates for secure communication. Learn how to scale servers to handle increasing traffic and load. Learn about load balancing, clustering, and auto-scaling techniques. Learn how to create and manage server images. Understand the basic structure and syntax of HTML, including tags, attributes, and elements. Understand how to apply CSS styles to HTML elements, create layouts, and use CSS frameworks.
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PHP & MySQL - Certification Course for Beginners
Learn to Build Database Driven Web Applications using PHP & MySQL
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PHP Variables, Syntax, Variable Scope, Keywords Echo vs. Print and Data Output PHP Strings, Constants, Operators PHP Conditional Statements PHP Elseif, Switch, Statements PHP Loops - While, For PHP Functions PHP Arrays, Multidimensional Arrays, Sorting Arrays Working with Forms - Post vs. Get PHP Server Side - Form Validation Creating MySQL Databases Database Administration with PhpMyAdmin Administering Database Users, and Defining User Roles SQL Statements - Select, Where, And, Or, Insert, Get Last ID MySQL Prepared Statements and Multiple Record Insertion PHP Isset MySQL - Updating Records
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Linode: Deploy Scalable React Web Apps on the Cloud
Cloud Computing | IaaS | Server Configuration | Linux Foundations | Database Servers | LAMP Stack | Server Security
What you'll learn
Introduction to Cloud Computing Cloud Computing Service Models (IaaS, PaaS, SaaS) Cloud Server Deployment and Configuration (TFA, SSH) Linux Foundations (File System, Commands, User Accounts) Web Server Foundations (NGINX vs Apache, SQL vs NoSQL, Key Terms) LAMP Stack Installation and Configuration (Linux, Apache, MariaDB, PHP) Server Security (Software & Hardware Firewall Configuration) Server Scaling (Vertical vs Horizontal Scaling, IP Swaps, Load Balancers) React Foundations (Setup) Building a Calculator in React (Code Pen, JSX, Components, Props, Events, State Hook) Building a Connect-4 Clone in React (Passing Arguments, Styling, Callbacks, Key Property) Building an E-Commerce Site in React (JSON Server, Fetch API, Refactoring)
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Internet and Web Development Fundamentals
Learn how the Internet Works and Setup a Testing & Production Web Server
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How the Internet Works Internet Protocols (HTTP, HTTPS, SMTP) The Web Development Process Planning a Web Application Types of Web Hosting (Shared, Dedicated, VPS, Cloud) Domain Name Registration and Administration Nameserver Configuration Deploying a Testing Server using WAMP & MAMP Deploying a Production Server on Linode, Digital Ocean, or AWS Executing Server Commands through a Command Console Server Configuration on Ubuntu Remote Desktop Connection and VNC SSH Server Authentication FTP Client Installation FTP Uploading
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Linode: Web Server and Database Foundations
Cloud Computing | Instance Deployment and Config | Apache | NGINX | Database Management Systems (DBMS)
What you'll learn
Introduction to Cloud Computing (Cloud Service Models) Navigating the Linode Cloud Interface Remote Administration using PuTTY, Terminal, SSH Foundations of Web Servers (Apache vs. NGINX) SQL vs NoSQL Databases Database Transaction Standards (ACID vs. CAP Theorem) Key Terms relevant to Cloud Computing, Web Servers, and Database Systems
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Java Training Complete Course 2022
Learn Java Programming language with Java Complete Training Course 2022 for Beginners
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You will learn how to write a complete Java program that takes user input, processes and outputs the results You will learn OOPS concepts in Java You will learn java concepts such as console output, Java Variables and Data Types, Java Operators And more You will be able to use Java for Selenium in testing and development
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Learn To Create AI Assistant (JARVIS) With Python
How To Create AI Assistant (JARVIS) With Python Like the One from Marvel's Iron Man Movie
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how to create an personalized artificial intelligence assistant how to create JARVIS AI how to create ai assistant
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Keyword Research, Free Backlinks, Improve SEO -Long Tail Pro
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Learn everything Long Tail Pro has to offer from A to Z! Optimize keywords in your page/post titles, meta descriptions, social media bios, article content, and more! Create content that caters to the NEW Search Engine Algorithms and find endless keywords to rank for in ALL the search engines! Learn how to use ALL of the top-rated Keyword Research software online! Master analyzing your COMPETITIONS Keywords! Get High-Quality Backlinks that will ACTUALLY Help your Page Rank!
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appwebcoders · 2 years ago
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What is array_diff() Function in PHP and How to Use.
Introduction
array_diff — Computes the difference of arrays
Supported Versions: — (PHP 4 >= 4.0.1, PHP 5, PHP 7, PHP 8)
In Today’s Blog, We are going to discuss about array_diff() function in php. When it comes to working with arrays in PHP, developers often encounter situations where they need to compare arrays and find the differences between them. This is where the array_diff() function comes to the rescue. In this comprehensive guide, we will delve into the intricacies of the array_diff() function, understanding its syntax, functionality, and usage with real-world examples.
Understanding the array_diff() Function:
When working with arrays in PHP, the array_diff function emerges as a powerful tool for array comparison and manipulation. array_diff function enables developers to identify the disparities between arrays effortlessly, facilitating streamlined data processing and analysis.
The array_diff function allows you to compare arrays, pinpointing differences across elements while efficiently managing array operations. By leveraging this function, developers can identify unique values present in one array but absent in another, paving the way for comprehensive data management and validation.
One remarkable feature of array_diff is its ability to perform comparisons based on the string representation of elements. For instance, values like 1 and ‘1’ are considered equivalent during the comparison process. This flexibility empowers developers to handle diverse data types seamlessly.
Moreover, array_diff simplifies array comparisons regardless of element repetition. Whether an element is repeated several times in one array or occurs only once in another, the function ensures accurate differentiation, contributing to consistent and reliable results.
For more intricate data structures, such as multi-dimensional arrays, array_diff proves its versatility by facilitating dimension-specific comparisons. Developers can effortlessly compare elements across various dimensions, ensuring precise analysis within complex arrays.
Incorporating the array_diff function into your PHP arsenal enhances your array management capabilities, streamlining the identification of differences and enabling efficient data manipulation. By seamlessly integrating array_diff into your codebase, you unlock a world of possibilities for effective array handling and optimization.
The array_diff function in PHP is a powerful tool that allows developers to compare two or more arrays and return the values that exist in the first array but not in the subsequent arrays. It effectively finds the differences between arrays, making it an essential function for tasks like data validation, data synchronization, and more.
Note
VersionDescription8.0.0This function can now be called with only one parameter. Formerly, at least two parameters have been required.Source: https://www.php.net/
Syntax:
array_diff(array $array1, array $array2 [, array $... ])
Parameters:
array1: The base array for comparison.
array2: The array to compare against array1.
…: Additional arrays to compare against array1.
Example 1: Basic Usage:
$array1 = [1, 2, 3, 4, 5]; $array2 = [3, 4, 5, 6, 7]; $differences = array_diff($array1, $array2); print_r($differences);
Output
Array ( [0] => 1 [1] => 2 )
Example 2: Associative Arrays:
$fruits1 = ["apple" => 1, "banana" => 2, "orange" => 3]; $fruits2 = ["banana" => 2, "kiwi" => 4, "orange" => 3]; $differences = array_diff_assoc($fruits1, $fruits2); print_r($differences);
Output
Array ( [apple] => 1 )
Example 3: Multi-dimensional Arrays:
$books1 = [ ["title" => "PHP Basics", "author" => "John Doe"], ["title" => "JavaScript Mastery", "author" => "Jane Smith"] ]; $books2 = [ ["title" => "PHP Basics", "author" => "John Doe"], ["title" => "Python Fundamentals", "author" => "Michael Johnson"] ]; $differences = array_udiff($books1, $books2, function($a, $b) { return strcmp($a["title"], $b["title"]); }); print_r($differences);
Output
Array ( [1] => Array ( [title] => JavaScript Mastery [author] => Jane Smith ) )
Important Points
It performs a comparison based on the string representation of elements. In other words, both 1 and ‘1’ are considered equal when using the array_diff function.
The frequency of element repetition in the initial array is not a determining factor. For instance, if an element appears 3 times in $array1 but only once in other arrays, all 3 occurrences of that element in the first array will be excluded from the output.
In the case of multi-dimensional arrays, a separate comparison is needed for each dimension. For instance, comparisons should be made between $array1[2], $array2[2], and so on.
Conclusion
The array_diff() function in PHP proves to be an invaluable tool for comparing arrays and extracting their differences. From simple one-dimensional arrays to complex multi-dimensional structures, the function is versatile and easy to use. By understanding its syntax and exploring real-world examples, developers can harness the power of array_diff() to streamline their array manipulation tasks and ensure data accuracy. Incorporating this function into your PHP toolkit can significantly enhance your coding efficiency and productivity.
Remember, mastering the array_diff() function is just the beginning of your journey into PHP’s array manipulation capabilities. With this knowledge, you’re better equipped to tackle diverse programming challenges and create more robust and efficient applications.
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promptlyspeedyandroid · 9 days ago
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Complete PHP Tutorial: Learn PHP from Scratch in 7 Days
Are you looking to learn backend web development and build dynamic websites with real functionality? You’re in the right place. Welcome to the Complete PHP Tutorial: Learn PHP from Scratch in 7 Days — a practical, beginner-friendly guide designed to help you master the fundamentals of PHP in just one week.
PHP, or Hypertext Preprocessor, is one of the most widely used server-side scripting languages on the web. It powers everything from small blogs to large-scale websites like Facebook and WordPress. Learning PHP opens up the door to back-end development, content management systems, and full-stack programming. Whether you're a complete beginner or have some experience with HTML/CSS, this tutorial is structured to help you learn PHP step by step with real-world examples.
Why Learn PHP?
Before diving into the tutorial, let’s understand why PHP is still relevant and worth learning in 2025:
Beginner-friendly: Easy syntax and wide support.
Open-source: Free to use with strong community support.
Cross-platform: Runs on Windows, macOS, Linux, and integrates with most servers.
Database integration: Works seamlessly with MySQL and other databases.
In-demand: Still heavily used in CMS platforms like WordPress, Joomla, and Drupal.
If you want to build contact forms, login systems, e-commerce platforms, or data-driven applications, PHP is a great place to start.
Day-by-Day Breakdown: Learn PHP from Scratch in 7 Days
Day 1: Introduction to PHP & Setup
Start by setting up your environment:
Install XAMPP or MAMP to create a local server.
Create your first .php file.
Learn how to embed PHP inside HTML.
Example:
<?php echo "Hello, PHP!"; ?>
What you’ll learn:
How PHP works on the server
Running PHP in your browser
Basic syntax and echo statement
Day 2: Variables, Data Types & Constants
Dive into PHP variables and data types:
$name = "John"; $age = 25; $is_student = true;
Key concepts:
Variable declaration and naming
Data types: String, Integer, Float, Boolean, Array
Constants and predefined variables ($_SERVER, $_GET, $_POST)
Day 3: Operators, Conditions & Control Flow
Learn how to make decisions in PHP:
if ($age > 18) { echo "You are an adult."; } else { echo "You are underage."; }
Topics covered:
Arithmetic, comparison, and logical operators
If-else, switch-case
Nesting conditions and best practices
Day 4: Loops and Arrays
Understand loops to perform repetitive tasks:
$fruits = ["Apple", "Banana", "Cherry"]; foreach ($fruits as $fruit) { echo $fruit. "<br>"; }
Learn about:
for, while, do...while, and foreach loops
Arrays: indexed, associative, and multidimensional
Array functions (count(), array_push(), etc.)
Day 5: Functions & Form Handling
Start writing reusable code and learn how to process user input from forms:
function greet($name) { return "Hello, $name!"; }
Skills you gain:
Defining and calling functions
Passing parameters and returning values
Handling HTML form data with $_POST and $_GET
Form validation and basic security tips
Day 6: Working with Files & Sessions
Build applications that remember users and work with files:
session_start(); $_SESSION["username"] = "admin";
Topics included:
File handling (fopen, fwrite, fread, etc.)
Reading and writing text files
Sessions and cookies
Login system basics using session variables
Day 7: PHP & MySQL – Database Connectivity
On the final day, you’ll connect PHP to a database and build a mini CRUD app:
$conn = new mysqli("localhost", "root", "", "mydatabase");
Learn how to:
Connect PHP to a MySQL database
Create and execute SQL queries
Insert, read, update, and delete (CRUD operations)
Display database data in HTML tables
Bonus Tips for Mastering PHP
Practice by building mini-projects (login form, guest book, blog)
Read official documentation at php.net
Use tools like phpMyAdmin to manage databases visually
Try MVC frameworks like Laravel or CodeIgniter once you're confident with core PHP
What You’ll Be Able to Build After This PHP Tutorial
After following this 7-day PHP tutorial, you’ll be able to:
Create dynamic web pages
Handle form submissions
Work with databases
Manage sessions and users
Understand the logic behind content management systems (CMS)
This gives you the foundation to become a full-stack developer, or even specialize in backend development using PHP and MySQL.
Final Thoughts
Learning PHP doesn’t have to be difficult or time-consuming. With the Complete PHP Tutorial: Learn PHP from Scratch in 7 Days, you’re taking a focused, structured path toward web development success. You’ll learn all the core concepts through clear explanations and hands-on examples that prepare you for real-world projects.
Whether you’re a student, freelancer, or aspiring developer, PHP remains a powerful and valuable skill to add to your web development toolkit.
So open up your code editor, start typing your first <?php ... ?> block, and begin your journey to building dynamic, powerful web applications — one day at a time.
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om-kumar123 · 1 month ago
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PHP Static Variables
What is a Variable?
Variables in a program are used to store values or data that can be reused later in the code. Think of them as containers for numbers, characters, strings, memory addresses, and more. PHP has its own specific
rules for declaring and using variables:
All PHP variable names start with a dollar sign ($), followed by the variable name.
Variable names can be long and descriptive (e.g., $factorial, $even_nos) or short (e.g., $n, $x).
Variable names can contain alphanumeric characters and underscores (a-z, A-Z, 0-9, and _), but cannot begin with a number.
Constants are like variables whose values cannot change. They are also case-sensitive.
Assignment in PHP is done using the = operator. The variable is on the left, and the value or expression is on the right.
PHP is a loosely typed language, meaning you don't have to declare the type of a variable-its inferred based on the value assigned.
PHP variables are case-sensitive ($sum and $SUM are different).
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technotronixs · 5 months ago
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Recent Updates in Laravel 11: Enhancing the Developer Experience
Laravel, one of the most popular PHP frameworks, has consistently delivered powerful tools and features for developers. With the release of Laravel 11, the framework has introduced several enhancements and updates to make development faster, more reliable, and easier. Here, we take a closer look at the latest updates as of January 15, 2025, focusing on the improvements brought by the recent patch versions.
Patch Update: v11.38.2 (January 15, 2025)
The Laravel team continues to refine the framework by:
Simplifying the Codebase: The introduction of the qualifyColumn helper method helps streamline database interactions, making queries more intuitive and efficient.
Postgres Connection Fixes: Reverting support for missing Postgres connection options ensures compatibility with diverse database setups.
Database Aggregation Stability: A rollback of recent changes to database aggregate by group methods resolves issues with complex queries.
Patch Update: v11.38.1 (January 14, 2025)
This patch focused on ensuring stability by:
Reverting Breaking Changes: Addressing the unexpected impact of replacing string class names with ::class constants. This ensures existing projects continue to work without modifications.
Improving Test Coverage: Added a failing test case to highlight potential pitfalls, leading to better framework reliability.
Patch Update: v11.38.0 (January 14, 2025)
Version 11.38.0 brought significant new features, including:
Enhanced Eloquent Relations: New relation existence methods make working with advanced database queries easier.
Fluent Data Handling: Developers can now set data directly on a Fluent instance, streamlining how data structures are manipulated.
Advanced URI Parsing: URI parsing and mutation updates enable more flexible and dynamic routing capabilities.
Dynamic Builders: Fluent dynamic builders have been introduced for cache, database, and mail. This allows developers to write expressive and concise code.
Request Data Access: Simplified access to request data improves the overall developer experience when handling HTTP requests.
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Why Laravel 11 Stands Out
Laravel 11 continues to prioritize developer convenience and project scalability. From simplified migrations to improved routing and performance optimizations, the framework is designed to handle modern web development challenges with ease. The following key features highlight its importance:
Laravel Reverb: A first-party WebSocket server for real-time communication, seamlessly integrating with Laravel's broadcasting capabilities.
Streamlined Directory Structure: Reducing default files makes project organization cleaner.
APP_KEY Rotation: Graceful handling of APP_KEY rotations ensures secure and uninterrupted application operation.
Which is the Best Software Development Company in Indore?As you explore the latest updates in Laravel 11 and enhance your development projects, you may also be wondering which is the best software development company in Indore to partner with for your next project. The city is home to a number of top-tier companies offering expert services in Laravel and other modern web development frameworks, making it an ideal location for both startups and enterprise-level businesses. Whether you need a Laravel-focused team or a full-stack development solution, Indore has options that can align with your technical and business requirements.
What’s Next for Laravel?
As the Laravel team prepares to release Laravel 12 in early 2025, developers can expect even more enhancements in performance, scalability, and advanced query capabilities. For those eager to explore the upcoming features, a development branch of Laravel 12 is already available for testing.
Conclusion
With each update, Laravel demonstrates its commitment to innovation and developer satisfaction. The latest updates in Laravel 11 showcase the framework's focus on stability, new features, and ease of use. Whether you’re building small applications or scaling to enterprise-level projects, Laravel 11 offers tools that make development smoother and more efficient.
For the latest updates and in-depth documentation, visit the official Laravel website.
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tccicomputercoaching · 7 months ago
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TCCI Best Place to Learn C Programming in Ahmedabad
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Do you want to learn C programming in Ahmedabad? TCCI-TRIRID Computer Coaching Institute is the ideal destination for students and professionals who want to gain in-depth knowledge and hands-on experience in C programming. With experienced instructors, a structured curriculum and a student-centered approach, TCCI provides an excellent learning environment for both beginners and advanced learners.
At TCCI, we focus on building a strong foundation in C programming by providing comprehensive training covering key concepts like data types, control structures, functions, arrays, pointers and more. Our interactive classes, real-world projects and personalized guidance ensure that you not only learn theory but also develop practical skills that will help you excel in the field of software development.
TCCI in C has the following topics:
Introduction to C, Basic Syntax, Token, Data Types and Variables, Constants, Characters, Collection Class, Operators, Loop Controls, For Loop, While Loop, Do-While Loop, Decision Making, Array, String, Function, Pointer, Structure, Union , type casting, recursion, files, command line arguments.
We provide coaching in C, C++, JAVA, Python, Project Training, PHP, SEO and many more languages. TCCI also provides relevant curriculum for school students and all types of students. So visit TCCI Coaching Institute for your higher education.
For More Information:
Call us @ +91 98256 18292
Visit us @ https://tccicomputercoaching.wordpress.com/
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mobappdevelopmentcompany · 7 months ago
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PHP Updates and their Impact on Web Development 
PHP, a widely acknowledged server-side scripting language is a great tool for web app development teams. As researched by the web technology survey portal W3 Techs, “75.9% of all websites are powered by PHP.” It’s interesting how PHP has undergone significant transformations since its inception to address the ever-growing needs of web development. What started as a tool for generating basic dynamic web pages has grown into a powerful language capable of supporting large-scale applications. So, let’s explore PHP’s evolution and the crucial updates so far. 
Major PHP Updates from inception till date 
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1. Early Versions (PHP/FI to PHP 3) 
PHP/FI (1995): The journey of PHP began when Rasmus Lerdorf created a simple set of CGI scripts with the basic feature of form handling. He named it as ‘Personal Home Page/Forms Interpreter (PHP/FI) and used it for tracking visits to his online resume.  
PHP 3 (1998): The real breakthrough came with PHP 3, when Andi Gutmans and Zeev Suraski rewrote the PHP core. PHP 3 introduced a more structured syntax and improved functionality, establishing PHP as a full-fledged scripting language for web application development. 
2. PHP 4 (2000) 
Zend Engine 1.0 (performance optimization and memory management)  
Output buffering and session handling 
Object-Oriented Programming (OOP) 
3. PHP 5 (2004) 
Zend Engine 2 (further performance improvements and extensibility of the language) 
Improved OOP Support features like better support for classes, methods, inheritance, interfaces, and constructors/destructors 
Exceptions (for error handling)  
PHP Data Objects (PDO) extension (for consistent interaction with databases) 
4. PHP 7 (2015) 
New Zend Engine 3 named PHP Next Generation (PHPNG): improved memory usage and made applications run much faster. 
Return Types and Scalar Type Declarations: type hinting (e.g., int, float, string, bool) and the ability to declare return types in functions: made the code more predictable and easier to debug. 
New syntax features: the null coalescing operator (??) and the spaceship operator (<=>): made the code more concise. 
Throwable interface for exceptions and errors: Improved issue detection and error handling 
5. PHP 8 (2020) 
PHP 8 is a crucial update as the features introduced are not just incremental improvements; they represent a new era for PHP that aligns it more closely with modern software development practices. Here’s an overview of all the PHP 8 versions.  
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PHP 8.0 (Released December 3, 2020) 
JIT (Just-In-Time) Compilation: expedites performance by compiling code into machine code at runtime. 
Union Types: Allows functions and methods to accept multiple types of values. 
Attributes (Annotations): Offers a new way to add metadata to classes, methods, and properties using a new syntax. 
Named Arguments: Call functions with arguments specified by their names, improving readability. 
Constructor Property Promotion: Combines constructor assignment and property declaration to minimize boilerplate code. 
Match Expression: A new match expression similar to switch but with safer comparisons and return values. 
Nullsafe Operator: The mechanism of “method chaining” on potentially null values; no explicit null checks required. 
Trailing Commas in Parameter Lists: Enables trailing commas in function and method parameter lists. 
PHP 8.1 (Released November 25, 2021) 
Enumerations (Enums): Introduces a native enum type for defining a set of possible values. 
Fibers: Allows for cooperative multitasking by providing a way to pause and resume functions. 
Readonly Properties: Properties that can only be written once and then become read-only. 
Enhances array unpacking to handle string keys. 
Intersection Types: Allows combining multiple types into one, requiring a value to satisfy all specified types. 
Internal optimizations, including JIT compiler improvements. 
PHP 8.2 (Released December 8, 2022) 
Read-only Properties: Expands the readonly feature from PHP 8.1 to allow class properties that can be assigned a value only once. 
Disjunctive Normal Form Types: Improves type system flexibility by allowing complex type expressions. 
New Fetch Style for PDO::FETCH_MODE: Adds a new fetch style for PDO that makes working with database results easier. 
Deprecations and Removals: Modifies or removes certain features and functions deprecated in earlier versions.  
Performance Enhancements: Includes various optimizations and bug fixes for improved performance. 
PHP 8.3: The Latest PHP Version (Released September 10, 2024) 
The latest stable release of PHP is PHP 8.3, which continues to enhance security, performance, and compatibility with modern technologies. Key improvements in this version include better error handling, optimized performance (e.g., reduced memory usage and faster response times), and enhanced compatibility with frameworks, libraries, and emerging technologies such as Progressive Web Apps (PWAs) and WebSockets​. PHP 8.3 also strengthens security by providing updates to protect apps from potential threats, making it essential for developers to stay updated. 
Top Highlights of PHP 8.3 at a Glance 
1. Readonly Classes 
PHP 8.3 introduces the ability to declare an entire class as readonly, meaning all properties in that class are implicitly readonly without the need to declare them individually. This simplifies the usage of immutable objects and enforces immutability across the class. 
readonly class MyImmutableClass { 
    public int $id; 
    public string $name; 
2. json_validate() Function 
A new json_validate() function is added to validate JSON strings without fully decoding them. This comes in handy when you need to check the structure or syntax of JSON data before you work with it. 
$isValid = json_validate('{"name": "John"}'); // returns true if valid 
3. null Return Types 
PHP 8.3 introduces null as an explicit return type, allowing developers to declare functions that can only return null. 
function myFunction(): null { 
    return null; 
4. Generator Improvements 
Generator::throw() now works as expected with Generator objects, allowing the throwing of exceptions into generators more consistently. This can be useful for error handling in asynchronous code or lazy evaluation scenarios. 
$generator = (function() { 
    try { 
        yield 1; 
    } catch (Exception $e) { 
        echo $e->getMessage(); 
    } 
})(); 
$generator->throw(new Exception("An error occurred")); 
5. New is_any() and is_none() Functions 
PHP 8.3 adds the is_any() and is_none() functions to make it easier to check multiple types or values in one go. 
$value = 'example'; 
if (is_any($value, 'string', 'integer')) { 
    // Do something 
if (is_none($value, 'array', 'object')) { 
    // Do something else 
6. Disjunctive Normal Form (DNF) Types 
Type unions can now be used in disjunctive normal form, improving flexibility when specifying complex return types or parameter types. 
function process(mixed $value): (int|float)|(string|bool) { 
    // Function logic 
Other Improvements 
Array Unpacking with String Keys: PHP 8.3 improves array unpacking by allowing the use of string keys; this was previously limited to integer-indexed arrays. 
New Functions: Various new built-in functions, such as str_truncate(), have been added to make string handling more flexible and performant. 
Performance Optimizations: There are further performance improvements, particularly in opcache and memory handling, continuing the performance gains seen in PHP 8.x series. 
PHP 8.4: Upcoming Update  
PHP 8.4, to be officially released on November 21, 2024; promises to bring valuable improvements and features, enhancing both performance and developer experience. Currently, it is undergoing the pre-release phase, transitioning through Alphas, Betas, and Release Candidates. 
Expected Features 
Property hooks RFC will make it easier to manage properties with less boilerplate code.  
The technique of “method chaining” without parentheses is a nice convenience  
JIT improvements should help with performance and memory usage 
The deprecation of implicit nullable types will encourage more explicit type declarations 
The new DOM HTML5 support is great for handling modern HTML content.  
How to Prepare for PHP 8.4? 
Testing: Ensure your codebase is compatible with the new version by testing in a staging environment. 
Updating Dependencies: Check and update any third-party libraries or frameworks to ensure compatibility with PHP 8.4. 
Review RFCs: Stay informed about new RFCs and feature additions to leverage the new capabilities effectively. 
Takeaway 
The evolution of PHP continues, and with each version, it becomes a stronger and more versatile tool in the developer's toolkit. If you haven’t upgraded yet, now is the time to explore what PHP 8 can do for your projects. Whether you're building small-scale applications powered by PHP or enterprise-level software, these updates will make your development process smoother and more efficient. 
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saifosys · 11 months ago
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Concatination in php with syntax and examples
Concatination in php with syntax and examples Concatenation is the process of joining two or more strings together to form a new string. In PHP, concatenation is achieved using the dot (.) operator. Syntax: $string1 . $string2 Examples: $hello = 'Hello, '; $world = 'World!'; $greeting = $hello . $world; // outputs "Hello, World!" Concatenation with Variables: $name = 'Saifosys'; $age =…
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w3era21web · 1 year ago
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From Basics to Advanced: PHP Data Types and Comments Tutorial in Hindi
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Dive into the fundamentals of PHP data types and comments with our comprehensive tutorial. We'll explore PHP's various data types, including integers, floats, strings, booleans, and arrays, and teach you how to declare variables, assign values, and perform basic operations.
Learn the importance of comments in your code, enhancing readability and maintainability for better collaboration and documentation.
Whether you're a beginner or an aspiring web developer, this tutorial will provide you with the essential knowledge to become proficient in PHP web development.
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bitcot · 1 year ago
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PHP 8 Features and How to Use Them in Custom Development
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PHP 8 brings a host of new features, optimizations, and improvements that can significantly enhance custom development projects. These enhancements are designed to improve performance, streamline coding practices, and introduce modern programming concepts. In this blog, we will explore some of the standout features of PHP 8 and how to effectively utilize them in your custom development projects.
1. Just-In-Time (JIT) Compilation:
Overview: JIT compilation is one of the most anticipated features in PHP 8. It aims to improve performance by compiling parts of the code at runtime, rather than interpreting it each time it is executed.
How to Use: To enable JIT, you need to configure the `opcache` settings in your `php.ini` file:
```ini
opcache.enable=1
opcache.jit_buffer_size=100M
opcache.jit=tracing
```
Benefits: JIT can significantly enhance the performance of CPU-intensive tasks, making PHP 8 a great choice for complex applications.
2. Union Types
Overview: Union types allow a function or method to accept multiple data types, providing more flexibility and type safety in your code.
How to Use:
```php
function processInput(int|float $input): int|float {
    return $input * 2;
} ```
Benefits: Union types reduce the need for complex type-checking logic and make your code more readable and maintainable.
3. Named Arguments
Overview: Named arguments allow you to pass arguments to a function based on the parameter name, rather than the parameter position.
How to Use:
```php
function createUser(string $name, int $age, bool $isAdmin = false) {
    // Function implementation
}
createUser(age: 25, name: "Alice", isAdmin: true);
```
Benefits: Named arguments enhance code clarity and reduce errors by allowing you to specify only the arguments you need, in any order.
4. Attributes (Annotations)
Overview: Attributes provide a native way to add metadata to your classes, methods, properties, and functions, replacing the need for docblock annotations.
How to Use:
```php
#[Route('/home')]
class HomeController {
    // Class implementation
}
```
Benefits: Attributes make it easier to process metadata and integrate with tools and frameworks that use reflection.
5. Constructor Property Promotion
Overview: Constructor property promotion simplifies the syntax for defining and initializing class properties directly in the constructor.
How to Use:
```php
class User {
    public function __construct(
        private string $name,
        private int $age
    ) {}
}
``` Benefits: This feature reduces boilerplate code and makes class definitions more concise.
6. Match Expression
Overview: The match expression is a more powerful and flexible alternative to the switch statement, supporting strict comparisons and returning values.
How to Use:
```php
$status = match($code) {
    200 => 'OK',
    404 => 'Not Found',
    500 => 'Server Error',
    default => 'Unknown Status',
};
``` Benefits: Match expressions simplify complex conditional logic and improve code readability.
7. Null Safe Operator
Overview: The null safe operator allows you to safely navigate through potentially null values without having to explicitly check for null at each step.
How to Use:
```php
$result = $user?->getProfile()?->getAddress()?->getCity();
``` Benefits: The null safe operator reduces the risk of null pointer exceptions and makes your code cleaner.
8. Improvements in Error Handling
Overview: PHP 8 introduces several improvements in error handling, such as more specific exception types and better error messages.
How to Use:
```php
try {
    // Code that might throw an exception
} catch (TypeError $e) {
    // Handle type error
} catch (ValueError $e) {
    // Handle value error
}
```
Benefits: Improved error handling makes debugging easier and enhances the robustness of your applications.
Conclusion PHP 8 introduces a wealth of features and improvements that can significantly boost your custom development projects. From performance enhancements with JIT compilation to cleaner and more efficient coding with union types, named arguments, and constructor property promotion, PHP 8 offers tools that modernize and streamline PHP development. By leveraging these features, you can write more readable, maintainable, and high-performing code, ensuring your custom applications are robust and future-proof. Embrace these new capabilities in PHP 8 to stay ahead in the ever-evolving landscape of web development.
The incorporation of custom PHP development practices alongside these new features can maximize the potential of your projects, making them more adaptable and future-ready.
Also Read: 10 Best Web Development Languages for Your Project in 2024
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complete-gurus · 1 year ago
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Mastering PHP: The Ultimate Guide for Aspiring Expert PHP Developers
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Introduction
Welcome to CompleteGurus, your go-to resource for all things tech! Today, we’re diving into the world of PHP development. Whether you’re a novice just starting out or an experienced coder looking to level up, becoming an expert PHP developer requires dedication, continuous learning, and practical experience. Let’s explore the roadmap to mastering PHP and the essential skills every expert PHP developer should have. #expertPHPdeveloper
Understanding the Basics
What is PHP?
PHP (Hypertext Preprocessor) is a widely-used, open-source scripting language designed for web development. It’s embedded in HTML and is known for its efficiency in handling dynamic content, databases, and session tracking.
Why PHP?
Ease of Use: PHP’s syntax is easy to understand and learn, making it a favorite among beginners.
Community Support: A large, active community provides extensive resources, frameworks, and libraries.
Compatibility: PHP is compatible with various servers and databases, including Apache, Nginx, MySQL, and PostgreSQL.
Performance: PHP is fast and efficient, especially when it comes to handling server-side scripting.
Building a Strong Foundation
Learning the Language
To become an expert, you must have a thorough understanding of PHP’s syntax, functions, and features. Here are some key areas to focus on:
Variables and Data Types: Understand how to declare and use different data types.
Control Structures: Master if-else statements, switch cases, loops (for, while, foreach).
Functions: Learn to create and use functions, including variable scope and anonymous functions.
Arrays and Strings: Work extensively with arrays (indexed, associative, multidimensional) and string manipulation functions.
Object-Oriented Programming (OOP)
OOP is a critical aspect of advanced PHP development. Ensure you understand the following concepts:
Classes and Objects: Learn how to define and instantiate classes.
Inheritance: Understand how child classes inherit properties and methods from parent classes.
Encapsulation: Learn to protect the state of an object using access modifiers.
Polymorphism: Understand how objects can take on many forms through interfaces and abstract classes.
Advanced PHP Development
Frameworks
To streamline development and maintain code quality, familiarize yourself with popular PHP frameworks:
Laravel: Known for its elegant syntax and powerful features, Laravel is a favorite among developers.
Symfony: Offers a robust set of reusable PHP components and a modular architecture.
CodeIgniter: Lightweight and straightforward, ideal for small to medium projects.
Working with Databases
An expert PHP developer must be proficient in database management:
SQL: Master SQL queries to interact with databases.
PDO and MySQLi: Learn to use PHP Data Objects (PDO) and MySQLi for secure and efficient database operations.
ORM: Understand Object-Relational Mapping (ORM) with tools like Eloquent in Laravel.
Security Practices
Security is paramount in web development. Ensure you follow best practices:
Data Sanitization and Validation: Always sanitize and validate user inputs.
Prepared Statements: Use prepared statements to prevent SQL injection.
Password Hashing: Securely store passwords using hashing algorithms like bcrypt.
HTTPS: Ensure secure data transmission by implementing HTTPS.
Testing and Debugging
Quality assurance is essential. Learn to:
Unit Testing: Write unit tests to ensure code reliability using PHPUnit.
Debugging: Use debugging tools and techniques to identify and fix issues.
Version Control: Use Git for version control and collaboration.
Continuous Learning and Community Engagement
Stay Updated
The tech world evolves rapidly. Stay ahead by:
Reading Blogs: Follow blogs and forums like CompleteGurus, PHP.net, and Stack Overflow.
Attending Conferences: Participate in PHP conferences and meetups.
Taking Courses: Enroll in advanced PHP courses on platforms like Udemy, Coursera, and LinkedIn Learning.
Contribute to the Community
Open Source Projects: Contribute to open-source projects to gain real-world experience.
Writing and Speaking: Share your knowledge through blogging, speaking at events, or creating tutorials.
Networking: Connect with other developers, join PHP groups, and participate in discussions.
Conclusion
Becoming an expert PHP developer is a journey that involves mastering the language, understanding advanced concepts, and continuously learning. By following this roadmap and engaging with the community, you'll hone your skills and stay at the forefront of PHP development. Ready to take the next step? Dive into the resources available here at CompleteGurus and embark on your path to becoming an #expertPHPdeveloper!
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redactedconcepts · 1 year ago
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Regular Expression
A regular expression, commonly called a “regexp”, is a sequence of characters that define a search pattern.  It is mainly for use in pattern matching with strings, or string matching (i.e. it operates like a “find and replace” command). While it is a very powerful tool, it is also very dangerous because of its complexity.
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Some people, when confronted with a problem, think “I know, I’ll use regular expressions.”   Now they have two problems."(super classic joke in the industry)
One thing you have to be careful with is that different languages use different regexp engines. That means that a regexp in Python, for example, will be interpreted differently in Javascript:
Regular expressions are everywhere and software engineers, no matter their positions, will have to use them during their careers. System administrators and DevOps are the ones using them the most because they are very handy for log parsing.
Read about regexp:
http://www.regular-expressions.info/
http://www.w3schools.com/jsref/jsref_obj_regexp.asp Play with regexp (or compose them):
Ruby: http://rubular.com/
PHP/Javascript/Python: https://regex101.com/
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learnershub101 · 1 year ago
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4 Udemy Paid Courses for Free with Certification (Limited Time for Enrollment)
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1. 07 Days of Code | Python Programming BootCamp
Python Programming Language with Full Practical, Exercises, Assignments, Problems and their Solutions.
What you'll learn
You will learn Python within few days with practical examples, exercises, assignments, and problems with solutions.
You will learn Fundamental of Python as data types, Input / Output Operations, List, Tuples, Dictionary, SET, Decision Making, Loops, Functions etc
You will learn Python Programming with solving Real World Problems with their solution.
You will learn how to create a Python based website.
You will get Python based Quiz at the end of the Course
By the end of this 7-day course, students will have the confidence and skills to learn more advanced Python topics, such as machine learning, data science, and
By the end of this course, students will have a solid understanding of Python programming fundamentals and be able to write basic Python programs.
Take This Course
👇👇👇👇👇👇👇
4 Udemy Paid Courses for Free with Certification (Limited Time for Enrollment)
2. Java And PHP Complete Course
Learn Java Programming And PHP Programming In One Complete Course
What you'll learn
You will learn how to write a complete Java program that takes user input, processes and outputs the results
You will learn java concepts such as console output, Java Variables and Data Types, Java Operators And more
You will learn PHP concepts such as basic syntax, input and output techniques, and console IO
You will learn PHP arithmetic, assignment, conditional, comparison operators
You will learn PHP loops and conditional statements,POST and GET and more.
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4 Udemy Paid Courses for Free with Certification (Limited Time for Enrollment)
3. Learn Coding with Java from Scratch: Essential Training
Mastering Java 17 with the modern features, know how it works. Become A Professional Java Developer in no time!
What you'll learn
Introduction to coding with Java
Java Tools and Setup
Variables, Data Types, Casting, Operators, and doing Mathematics
Strings and Working with text using Java Techniques
Flow control and Making Different Decisions: if - else if - else, and switch - case
Loops, Repetitions, and Iterations: while, do while, for, and Controlling blocks
Working with Arrays in depth
Methods and functional programming in Java
Object-Oriented Programming: Classes, Objects, Attributes, Modifiers, and More
Advanced Object-Oriented Programming: Inheritance, Interfaces, Enumerations and More
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4 Udemy Paid Courses for Free with Certification (Limited Time for Enrollment)
4. Object-Oriented Programming (OOP) - Learn to Code Faster
Learn and Practice Object-Oriented Programming(OOP) with Python, Know how it works, and Learn how to code faster 2024
What you'll learn
Understand the benefit of using Object-Oriented Programming
Learn how to build programs faster in Python
Use and apply the classes and instances components and tools with many examples
How to use different types of inheritance in different scales
Learn Encapsulation for wrapping code and data together into a single unit
Learn all about Access Modifiers and Getters and Setters
How to use and apply Polymorphism in an object oriented style with many examples
Learn how to abstract a problem in OOP in action
Practice Object oriented programming, basics to advanced level, using Modern Python
Get the instructor QA support
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4 Udemy Paid Courses for Free with Certification (Limited Time for Enrollment)
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