PHP

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Last Update	09/17/2026
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Section 1: Getting Started

4Lessons ·
- 3: Running PHP from the Command Line
  
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Section 2: Core Syntax

6Lessons ·
- 5: Variables and Data Types
  
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- 8: Arrays and Array Functions
  
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Section 3: Functions

5Lessons ·
- 14: Arrow Functions
  
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Section 4: Object-Oriented PHP

8Lessons ·
- 16: Classes and Objects
  
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- 17: Inheritance and Interfaces
  
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- 19: Abstract Classes
  
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- 20: Namespaces
  
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- 23: Readonly Properties
  
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Section 5: Working with Data

5Lessons ·
- 27: File Uploads and Handling
  
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Section 6: Modern PHP (PHP 8)

5Lessons ·
- 32: Attributes
  
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- 33: Fibers for Lightweight Concurrency
  
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Section 10: Practical Projects

5Lessons ·
- 45: Building a Simple Contact Form Handler
  
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- 48: Building a File Upload and Gallery Script
  
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Section 12: More Standard Library

5Lessons ·
- 53: Working with Dates: DateTime and DateInterval
  
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- 54: Array Sorting Functions in Depth
  
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- 55: Multidimensional Array Manipulation
  
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- 56: Working with Multibyte Strings
  
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Section 13: Data Structures and Algorithms in PHP

4Lessons ·
- 58: Implementing a Stack and Queue
  
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- 59: Implementing Common Sorting Algorithms
  
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Section 17: WordPress-Style CMS Concepts

3Lessons ·
- 72: Understanding Hook-Based Architecture
  
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Section 18: Advanced OOP Practice

6Lessons ·
- 75: Practice Exercise: Building an Interface-Based Payment Gateway System
  
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Section 20: Database Practice

4Lessons ·
- 85: Writing Prepared Statements Safely
  
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Section 21: PHP Manual: Array Functions

6Lessons ·
- 89: array_map, array_filter, array_reduce
  
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- 90: array_merge and array_combine
  
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- 91: array_slice and array_splice
  
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- 93: in_array and array_search
  
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- 94: usort, uasort, uksort
  
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Section 22: PHP Manual: Date and Calendar Functions

4Lessons ·
- 98: Timezone Handling in PHP
  
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Section 23: PHP Manual: Filesystem and Directory Functions

3Lessons ·
- 100: File Permission Functions
  
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Section 24: PHP Manual: Filter and Var Handling

4Lessons ·
- 103: gettype, settype, and Type Juggling Functions
  
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Section 25: PHP Manual: Math Functions

4Lessons ·
- 106: Basic Math Functions: round, ceil, floor
  
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- 107: Random Number Functions: random_int, mt_rand
  
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- 108: BC Math for Arbitrary Precision
  
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- 109: GMP for Big Integers
  
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Section 26: PHP Manual: JSON and XML

4Lessons ·
- 110: json_encode and json_decode Options
  
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- 113: XMLReader for Streaming XML
  
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Section 27: PHP Manual: Network and Stream Functions

4Lessons ·
- 116: Working with Stream Filters
  
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Section 28: PHP Manual: Error and Exception Handling

4Lessons ·
- 119: Custom Exception Classes Revisited
  
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- 121: Error Suppression and Why to Avoid It
  
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Section 29: PHP Manual: Output Control and Misc

4Lessons ·
- 124: The Iterator and Generator Interfaces in PHP
  
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- 125: SPL Data Structures: SplStack, SplQueue, ArrayObject
  
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Section 30: PHP Manual: FTP, Zip, and Mail

3Lessons ·
- 127: ZipArchive for Compression
  
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Section 33: More Practice Exercises

4Lessons ·
- 140: Practice Exercise: Building a Simple Templating Engine
  
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Section 35: More Interview Practice

4Lessons ·
- 150: Timed Mock Assessment on Core PHP
  
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Section 36: More PHP Standard Library

5Lessons ·
- 155: Attributes (Annotations) in PHP 8
  
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Section 42: More Practical Projects

4Lessons ·
- 177: Building a Simple CMS with Custom Fields
  
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Section 45: Final Practice and Review

5Lessons ·
- 187: Practice Exercise: Building a URL Shortener with Analytics
  
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Section 56: More Practice Projects Round 2

6Lessons ·
- 234: Building a Simple Forum Application
  
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Section 57: PHP Command-Line Applications

3Lessons ·
- 241: Interactive CLI Prompts in PHP
  
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Section 59: More Interview and Review Round 2

5Lessons ·
- 249: Mock Coding Interview Walkthrough in PHP
  
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