PHP: The Ultimate Guide
- Length: 380 pages
- Edition: 1
- Language: English
- Publisher: CRC Press
- Publication Date: 2022-12-21
- ISBN-10: 1032311789
- ISBN-13: 9781032311784
- Sales Rank: #0 (See Top 100 Books)
There is no shortage of websites that use the PHP programming language in some or other capacity. PHP (Hypertext Preprocessor) is a server-side scripting language that allows you to create dynamically-generated web pages. Rasmus Lerdorf created PHP in 1994.
PHP works in the backend of a website because it is a server-side technology. This is the part of a website that no one sees. This means that PHP is frequently used to run server-side programs such as data collection and processing and database management. The fact that PHP is a simple language is one of the key reasons why learning it is a wise investment. PHP was created with the goal of speeding up web development; therefore, it features a basic syntax that is ideal for beginners. Furthermore, because PHP is a dynamically typed language, there are less restrictions to follow while creating features. The PHP programming language offers a wide range of applications and features, such as authentication, payments, user administration, and other “dynamic” aspects of a website.
Efficiency, syntax compatibility, platform independence, error detection, and encryption are just a few of the interesting properties of PHP.
Why Should You Learn PHP?
PHP developers work with the PHP programming language to create websites, applications, and programs. As a PHP developer, you’ll usually be working in IT companies (all over the world), but there are also a lot of opportunities in design and business. A PHP developer, like any other programming/scripting language developer, should be able to work with many languages and ideally have some knowledge of database, web design, or some page formatting language.
This Book Offers:
- A step-by-step approach to problem solving and skill development
- A quick run-through of the basic concepts, in the form of a “Crash Course”
- Advanced, hands-on core concepts, with a focus on real-world problems
- Industry-level coding paradigms and a practice-oriented explanatory approach
- Special emphasis on writing clean and optimized code, with additional chapters focused on coding methodology
Cover Half Title Title Page Copyright Page Contents Acknowledgments About the Author CHAPTER 1: Introduction to PHP HISTORY WHY DO WE LEARN PHP? VERSIONS OF PHP PHP What Is PHP? What Can We Do with PHP? Main Components Pros and Cons of PHP Built-in Templating Engine PHP from the Command Line Upgrading PHP in macOS Upgrading PHP in Windows Upgrading PHP in Ubuntu Why Is PHP Still So Widely Used? PHP Prerequisites INSTALLATION OF PHP How to Install PHP on Windows How to Install PHP on Linux Installing PHP on Ubuntu How to Install PHP on macOS Installing a Text Editor Starting Apache to Run PHP Scripts Place Your Project in the Root Directory of XAMPP Printing Hello PHP on the Web Browser with a PHP File PHP Hello World on the Command Line PHP BASICS Naming Conventions for PHP Variables Echo Statement Displaying Strings with the Print Statement WHAT IS HTML (HYPERTEXT MARKUP LANGUAGE BASICS)? Most Used HTML Tags and HTML Elements Block-Level Elements Inline Elements Using PHP and HTML on a Single Page CSS (CASCADING STYLE SHEETS) What Is CSS? CSS Syntax Using CSS with PHP Data Types CHAPTER 2: Data Types and Operators CODING BUILDING BLOCKS VARIABLES Reading a Variable’s Value Types of Variables PREDEFINED VARIABLES IS PHP A CASE-SENSITIVE LANGUAGE? REGULAR EXPRESSION Why Does Perl Style Regular Expressions? Regular Expression Syntax Character Classes in Regular Expression Built-in Regular Expression Functions in PHP Regular Expression Metacharacters DATA TYPES What Is a Data Type? Integers Strings WHAT IS PHP’S STRING FUNCTION? String Functions ESCAPE SEQUENCES FLOATING POINT NUMBERS OR DOUBLES Booleans Arrays Operator Keywords Objects NULL Resources Typecasting Automatic Type Conversion IMPLICIT AND EXPLICIT CASTING EXPRESSIONS Expressions with ++ and −− Operators Expressions with Ternary Conditional Operator OPERATORS CHAPTER SUMMARY CHAPTER 3: Control Statements INTRODUCTION TO CONTROL STATEMENTS LIST OF KEYWORDS AVAILABLE IN PHP What Is a Keyword? Operands Lvalue and Rvalue Lvalue Rvalue LIST OF CONTROL STATEMENTS The if Statement The else Statement else-if Statement switch Statement The ? Operator Expressions with the Ternary Conditional Operator Alternative Syntax for Control Structures (if, else-if) while Loop do-while Loop for Loop Breaking Out of the Loop foreach Continue Break and Continue in while Loops match declare return Statement require Statement include Statement require_once Statement include_once Statement goto Operator WHAT IS THE BOOLEAN EXPRESSION IN PHP? Boolean Constant CHAPTER SUMMARY CHAPTER 4: PHP Functions FUNCTIONS DECLARING A FUNCTION function return Statement function with Default Argument Value The function within Another function The return Statement Scope and the Global Statement Working with print_r() How to Pass PHP Variables by Reference Pass by Reference VARIABLE-LENGTH ARGUMENT FUNCTION Built-in Functions in PHP Recursion Dynamic Function Calls Callable TYPES OF FUNCTIONS Language Constructs Function Handling Functions Flag Parameters INTRODUCTION TO PHP USER DEFINED FUNCTIONS Namespace PHP Functions PHP KEYWORDS AND IDENTIFIERS TUTORIAL What Is an Identifier? Rules for Naming Identifiers Identifier Casing Conventions TYPE HINTS How to Use Array-Type Hinting How to Use Object-Type Hinting Does PHP Support Any Type Hinting for Some Basic Data Types? THE SPLAT OPERATOR IN PHP SIGNATURE “PARAMETER” VS. “ARGUMENT” Variable Functions Anonymous Functions (Lambda) Assigning the Anonymous Function to Variables Using an Anonymous Function as the Callback Why Do We Use Functions in a PHP Script? HTML Code inside the Function in PHP CHAPTER SUMMARY CHAPTER 5: Object-Oriented Programming (OOP) INTRODUCTION TO OOP OOP THEORY DEFINING A CLASS NEW KEYWORD WHAT ARE CONSTANTS? Defining Constants CREATING AN OBJECT THE $this ATTRIBUTE CREATING CONSTRUCTORS CREATING DESTRUCTORS PHP VARIABLE SCOPE What Is Variable Scope? Superglobals Explained Static Variables INTERFACE PHP Abstract Class INHERITANCE ACCESS SPECIFIERS IN PHP DATA ABSTRACTION ABSTRACT METHODS AND CLASSES ABSTRACT CLASSES COMPARED TO INTERFACES ABSTRACT CLASSES IMPLEMENTING INTERFACES CLASS MEMBERS Abstract Method Output The Abstract Method with Arguments PHP Magic Methods IMPLEMENTATION OF POLYMORPHISM IN PHP POLYMORPHISM IN PHP TO IMPLEMENT IN INTERFACES POLYMORPHISM IMPLEMENTATION IN ABSTRACT CLASSES OVERLOADING IN PHP Types of Overloading Static Methods and Properties self vs. $this Keyword WHAT IS SELF KEYWORD? METHOD OVERLOADING IN PHP How Does Method Overloading Work? What Is Autoloading? What Is an Autoloader? NAMESPACES ENCAPSULATION IN PHP CHAPTER SUMMARY CHAPTER 6: Using HTTP in PHP WHAT DOES WEB MEAN? WHAT IS HTTP AND WHAT IS THE STRUCTURE OF HTTP REQUEST AND RESPONSE? WHAT IS HTTP? How Do Web Servers Work? Some Examples of Web Server Use WHAT ARE STATIC WEB PAGES? WHAT ARE DYNAMIC WEB PAGES? HYPERTEXT TRANSFER PROTOCOL (HTTP) UNIFORM RESOURCE LOCATOR TERMINOLOGY OVERALL OPERATION OF HTTP UNIFORM RESOURCE IDENTIFIERS (URIs) HTTP GENERAL SYNTAX HTTP URL HTTP REQUEST METHODS GET REQUEST METHOD RESPONSE STATUS CODE HTTP HEADERS Cache-Control GENERAL HEADERS Connection Date Pragma Trailer Transfer-Encoding Upgrade Via Warning CLIENT REQUEST HEADERS Accept Accept-Charset Accept-Encoding Accept-Language Authorization Cookie Expect From Host Proxy-Authorization Range SERVER RESPONSE HEADERS Accept-Ranges Location Proxy-Authenticate HTTP How Does HTTPS Work? What Does HTTPS Do? What Information Does HTTPS Protect? CHAPTER SUMMARY CHAPTER 7: Data Persistence WEB SERVER File Read File Write File Close feof() Function fflush() Function PHP fgetc() Function fgets() Function fgetcsv() Function fgetss() Function file_exists() Function file_put_contents() Function fileatime() Function filectime() Function filegroup() Function filesize() Function fileinode() Function filemtime() Function fileowner() Function fileperms() Function fpassthru() Function fputcsv() Function move_uploaded_file() Function popen() Function readfile() Function readlink() Function realpath() Function clearstatcache() Function basename() Function copy() Function dirname() Function rename() Function is_writable() Function is_dir() Function is_executable Function is_file() Function is_link() Function is_readable() Function is_uploaded_file() Function is_writable() Function chgrp( ) Function chmod( ) Function chown( ) Function DATABASES GUI CLIENTS MySQL GUI Clients and Tools MySQL Workbench dbForge Studio PHPMyAdmin HeidiSQL Toad Edge MySQL Types of Database Management Systems RDBMS Terminology MySQL Database (RDBMS) MySQL CONNECTION USING PHP SCRIPT CREATE A DATABASE USING PHP SCRIPT MySQL INSERT FETCHING DATA UPDATING DATA DELETING DATA What Is SQL Injection in PHP? The Basis of an SQL Injection Attack Which Function Can Be Used to Avoid SQL Injection? PREPARED STATEMENTS AND BOUND PARAMETERS CHAPTER SUMMARY CHAPTER 8: Error Handling in PHP ERROR HANDLING BASIC ERROR HANDLING Use of the die() Function CUSTOM ERROR HANDLER UNDERSTANDING ERROR LEVELS ERROR REPORT LEVELS SET ERROR HANDLER Way to Trigger an Error LOGGING ERROR Four Different Types of Errors in PHP Introduction PHP ERROR Runtime Configuration PHP ERROR AND LOGGING FUNCTIONS debug_backtrace() Function debug_print_backtrace() Function error_get_last() Function error_log() Function error_reporting() Function restore_error_handler() Function restore_exception_handler() Function set_error_handler() Function set_exception_handler() Function trigger_error() Function user_error() Function Error Handling Using the die() Function EXCEPTION HANDLING IN PHP WHAT IS AN EXCEPTION? THE EXCEPTION OBJECT WHY DO WE NEED EXCEPTION HANDLING? PHP Try-Catch with Multiple Exception Types When to Use Try-Catch-Finally CREATING CUSTOM PHP EXCEPTION TYPES GLOBAL PHP EXCEPTION HANDLING WHAT HAPPENS WHEN AN EXCEPTION IS TRIGGERED? WHY HANDLE AN EXCEPTION? PHP ERROR HANDLING PHP Offers Several Methods to Handle Errors Die Statement How to Use Try-Catch with MySQL PDO PHP ERROR REPORTING CHAPTER SUMMARY CHAPTER 9: Working with Composer WHAT IS A DEPENDENCY MANAGER? WHAT IS PHP COMPOSER? Dependency Management DOWNLOADING THE COMPOSER EXECUTABLE PHP Composer Installation on the Windows Operating System System Requirements Locally Globally PHP Composer Installation on Linux/Unix/macOS Package Installation Using Composer USING THE INSTALLER Manual Installation INSTALL PHP COMPOSER ON LINUX UBUNTU PHP COMPOSER INSTALL COMPOSER ON macOS UPGRADE PHP COMPOSER Understanding the Required Key Package Names Package Version Constraints How Do We Update the Composer Itself? Installing Dependencies Committing Composer.lock File to Version Control Installing from the Composer.lock File Updating Dependencies to Their Latest Versions WHAT IS PACKAGIST? Platform Packages AUTOLOADING Why Do We Need Autoloading? How Autoloading Works without Composer How Autoloading Works with Composer Autoloading: The Files Directive Autoloading: The class-map Directive Autoloading: PSR-0 LIBRARIES Library Versioning VCS VERSIONING Lock File Publishing to a VCS Command-Line Interface GLOBAL OPTIONS CREATE A PROJECT USING THE COMPOSER dump-autoload (dumpautoload) BENEFITS OF USING COMPOSER CHAPTER SUMMARY CHAPTER 10: WEB Services WHAT IS WEB SERVICE? DIFFERENT TYPES OF WEB SERVICES UDDI SOAP REST COMPONENTS OF WEB SERVICES HOW DOES A WEB SERVICE WORK? API VS. WEB SERVICES WHY DO YOU NEED A WEB SERVICE? SIMPLE OBJECT ACCESS PROTOCOL (SOAP) 1.1 Characteristics of SOAP Design Goals The SOAP Message Exchange Model SOAP Building Block SOAP Structure Examples of SOAP Messages Relation to XML SOAP Envelope SOAP Header SOAP Body Relationship between SOAP Header and SOAP Body SOAP Fault Codes mustUnderstand Client Server WEB SERVICES DESCRIPTION LANGUAGE (WSDL) What Is WSDL PHP? Features of WSDL Is WSDL a Web Service? The WSDL Document Structure How Do I Find the WSDL for a Web Service? How to Know if I Have a PHP SOAP Extension? REST What Is REST Architecture? HTTP Methods Introduction to RESTful Web Services Advantages of RESTful Web Services CHAPTER SUMMARY CHAPTER 11: Using PHP-based CMSs WHAT IS A CMS? TYPES OF CMS FEATURES OF CMS WHAT ROLE DOES A CMS PLAY IN A BUSINESS? THE DISADVANTAGES OF CMS VARIOUS CMS WordPress What Are WordPress Hooks? Purpose of Hooks How to Use WordPress Hooks Creating an Action Hook Joomla History What Is Joomla in PHP? Magento 2 History What Is e-commerce? Why Use Magento 2? Installation Drupal History Download Drupal CHAPTER SUMMARY APPRAISAL BIBLIOGRAPHY INDEX
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