PHP / Subject
Beginner
Start learning PHP with syntax, variables, data types, operators, conditions, loops, functions, arrays, forms, sessions, files and first dynamic web applications.
Your Progress
Learning Summary
Suggested sequence
Learning roadmap
Topics follow the Admin display order
Beginner
283 topics- Introduction to PHP
- PHP Installation
- PHP Development Environment
- PHP Syntax
- PHP Tags
- PHP Comments
- PHP Case Sensitivity
- PHP Statements
- PHP Variables
- Variable Naming Rules
- Constants
- Magic Constants
- Data Types
- Type Checking
- Type Casting
- Type Juggling
- Strict Typing
- Arithmetic Operators
- Assignment Operators
- Comparison Operators
- Increment Operators
- Decrement Operators
- Logical Operators
- String Operators
- Array Operators
- Conditional Assignment Operators
- Null Coalescing Operator
- Spaceship Operator
- Operator Precedence
- Operator Associativity
- String Literals
- Single-Quoted Strings
- Double-Quoted Strings
- Heredoc
- Nowdoc
- String Concatenation
- String Interpolation
- String Length
- String Searching
- String Replacement
- String Comparison
- String Formatting
- String Splitting
- String Trimming
- String Case Conversion
- Escape Sequences
- Common String Functions
- Integers
- Floating-Point Numbers
- Numeric Strings
- Mathematical Functions
- Rounding
- Random Numbers
- Number Formatting
- Indexed Arrays
- Associative Arrays
- Multidimensional Arrays
- Creating Arrays
- Accessing Array Elements
- Updating Arrays
- Deleting Array Elements
- Array Traversal
- Array Sorting
- Array Searching
- Array Filtering
- Array Mapping
- Array Reduction
- Array Merging
- Array Slicing
- Array Destructuring
- Spread Operator
- Common Array Functions
- if Statement
- if-else Statement
- if-elseif-else Statement
- Nested Conditions
- switch Statement
- match Expression
- Ternary Operator
- Null Coalescing
- while Loop
- do-while Loop
- for Loop
- foreach Loop
- Nested Loops
- break
- continue
- Defining Functions
- Calling Functions
- Function Parameters
- Default Parameters
- Named Arguments
- Return Values
- Type Declarations
- Return Type Declarations
- Variadic Functions
- Variable-Length Arguments
- Pass by Value
- Pass by Reference
- Anonymous Functions
- Closures
- Arrow Functions
- Variable Functions
- Recursive Functions
- Callback Functions
- Built-in Functions
- HTML Forms with PHP
- GET Method
- POST Method
- Request Data
- Form Processing
- Form Validation
- Form Sanitization
- Required Fields
- File Upload Forms
- Multiple File Uploads
- $GLOBALS
- $_SERVER
- $_REQUEST
- $_POST
- $_GET
- $_FILES
- $_ENV
- $_COOKIE
- $_SESSION
- File Handling
- Opening Files
- Reading Files
- Writing Files
- Appending Files
- Closing Files
- File Existence
- File Information
- File Permissions
- Copying Files
- Renaming Files
- Deleting Files
- Directory Handling
- Date Functions
- Time Functions
- Timestamps
- Date Formatting
- Time Zones
- DateTime
- DateInterval
- DatePeriod
- Cookies
- Creating Cookies
- Reading Cookies
- Updating Cookies
- Deleting Cookies
- Sessions
- Starting Sessions
- Session Variables
- Destroying Sessions
- Object-Oriented Programming
- Classes
- Objects
- Properties
- Methods
- Constructors
- Destructors
- Access Modifiers
- Public Members
- Protected Members
- Private Members
- Inheritance
- Method Overriding
- final Keyword
- Abstract Classes
- Abstract Methods
- Interfaces
- Traits
- Static Properties
- Static Methods
- Class Constants
- self
- parent
- static
- $this
- instanceof
- Object Cloning
- Anonymous Classes
- Magic Methods
- Method Chaining
- Covariance
- Contravariance
- Readonly Properties
- Readonly Classes
- PHP Namespaces
- Namespace Declaration
- Sub-namespaces
- Namespace Imports
- use Keyword
- Aliasing
- Fully Qualified Names
- PHP Errors
- Error Levels
- Error Reporting
- Custom Error Handlers
- Exceptions
- try
- catch
- finally
- throw
- Custom Exceptions
- Multiple Exception Types
- Throwable
- Error Class
- Regular Expressions
- PCRE
- Regex Patterns
- Regex Modifiers
- Character Classes
- Quantifiers
- Groups
- Capturing Groups
- Lookahead
- Lookbehind
- preg_match()
- preg_match_all()
- preg_replace()
- preg_split()
- PHP Database Connectivity
- MySQL
- MySQLi
- PDO
- Database Connections
- SQL Queries from PHP
- SELECT
- INSERT
- UPDATE
- DELETE
- Prepared Statements
- Parameter Binding
- Transactions
- Commit
- Rollback
- Database Error Handling
- Fetch Modes
- Stored Procedures
- Database Security
- SQL Injection Prevention
- User Registration
- User Login
- User Logout
- Password Hashing
- password_hash()
- password_verify()
- Password Rehashing
- Authentication Sessions
- Remember Me
- Account Verification
- Email Verification
- Password Reset
- Access Control
- Role-Based Access Control
- Input Validation
- Input Sanitization
- SQL Injection
- Cross-Site Scripting
- Cross-Site Request Forgery
- CSRF Tokens
- Session Hijacking
- Session Fixation
- Secure Cookies
- HTTP Security Headers
- Content Security Policy
- Password Security
- File Upload Security
- Directory Traversal
- Command Injection
- JSON
- JSON Encoding
- JSON Decoding
- JSON Error Handling
- JSON APIs
- XML Processing
- SimpleXML
- DOMDocument
- XMLReader
- XMLWriter
- XPath
Topics
283 published topics
- 101 ClosuresLearn Closures through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 102 Arrow FunctionsLearn Arrow Functions through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 103 Variable FunctionsLearn Variable Functions through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 104 Recursive FunctionsLearn Recursive Functions through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 105 Callback FunctionsLearn Callback Functions through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 106 Built-in FunctionsLearn Built-in Functions through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 107 HTML Forms with PHPLearn HTML Forms with PHP through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 108 GET MethodLearn GET Method through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 109 POST MethodLearn POST Method through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 110 Request DataLearn Request Data through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 111 Form ProcessingLearn Form Processing through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 112 Form ValidationLearn Form Validation through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 113 Form SanitizationLearn Form Sanitization through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 114 Required FieldsLearn Required Fields through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 115 File Upload FormsLearn File Upload Forms through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 116 Multiple File UploadsLearn Multiple File Uploads through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 117 $GLOBALSLearn $GLOBALS through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 118 $_SERVERLearn $_SERVER through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 119 $_REQUESTLearn $_REQUEST through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 120 $_POSTLearn $_POST through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning