PHP / Subject
Beginner
Start learning PHP with syntax, variables, data types, operators, conditions, loops, functions, arrays, forms, sessions, files and first dynamic web applications.
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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
- 161 ConstructorsLearn Constructors through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 162 DestructorsLearn Destructors through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 163 Access ModifiersLearn Access Modifiers through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 164 Public MembersLearn Public Members through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 165 Protected MembersLearn Protected Members through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 166 Private MembersLearn Private Members through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 167 InheritanceLearn Inheritance through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 168 Method OverridingLearn Method Overriding through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 169 final KeywordLearn final Keyword through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 170 Abstract ClassesLearn Abstract Classes through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 171 Abstract MethodsLearn Abstract Methods through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 172 InterfacesLearn Interfaces through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 173 TraitsLearn Traits through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 174 Static PropertiesLearn Static Properties through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 175 Static MethodsLearn Static Methods through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 176 Class ConstantsLearn Class Constants through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 177 selfLearn self through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 178 parentLearn parent through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 179 staticLearn static through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning
- 180 $thisLearn $this through a detailed PHP lesson with examples, exercises and practice questions.Beginner · 13 min read · 90 min learning