PHP 8 Quick Scripting Reference : A Pocket Guide to PHP Web Scripting

This pocket reference has been updated with the new PHP 8 release. It is a condensed, code-rich scripting and syntax handbook for the PHP scripting language. You won’t find any technical jargon, bloated samples, drawn-out history lessons or witty stories in this book. What you will find is a web scripting language reference that is concise, to the point, and highly accessible. The book is packed with useful information and is a must-have for any PHP programmer or web developer. In it, you will find a concise reference to the PHP 8 scripting language syntax. It includes short, simple, and focused code examples; a well-laid-out table of contents; and a comprehensive index allowing easy review. __PHP 8 Quick Scripting Reference__ presents the essentials of PHP in a well-organized format, including new features in PHP 8 such as the just in time (JIT) compiler, union types, nullsafe operator, null coalescing assignment operator, match expressions, named arguments, throw expressions, static return type, non-capturing catches, reclassified engine warnings and constructor property promotion. **What You Will Learn** * Discover what is new in PHP 8 and how to get started with it * Work with variables, operators, strings, arrays, conditionals, loops, and other constructs * Group and reuse code with functions, methods, and namespaces * Use object-oriented features such as classes, inheritance, abstract classes, and interfaces * Import files and retrieve user data Make use of type declarations and type conversions * Test variables, create references, and use overloading methods * Store user data with cookies and sessions * Deal with errors through error handling, exception handling, and assertions **Who This Book Is For** Experienced PHP programmers and web developers who may be new to PHP. Front Matter ....Pages i-xviii Using PHP (Mikael Olsson)....Pages 1-6 Variables (Mikael Olsson)....Pages 7-11 Operators (Mikael Olsson)....Pages 13-19 String (Mikael Olsson)....Pages 21-25 Arrays (Mikael Olsson)....Pages 27-30 Conditionals (Mikael Olsson)....Pages 31-37 Loops (Mikael Olsson)....Pages 39-44 Functions (Mikael Olsson)....Pages 45-56 Class (Mikael Olsson)....Pages 57-64 Inheritance (Mikael Olsson)....Pages 65-68 Access Levels (Mikael Olsson)....Pages 69-73 Static (Mikael Olsson)....Pages 75-79 Constants (Mikael Olsson)....Pages 81-85 Interface (Mikael Olsson)....Pages 87-90 Abstract (Mikael Olsson)....Pages 91-94 Traits (Mikael Olsson)....Pages 95-97 Importing Files (Mikael Olsson)....Pages 99-103 Type Declarations (Mikael Olsson)....Pages 105-112 Type Conversions (Mikael Olsson)....Pages 113-115 Variable Testing (Mikael Olsson)....Pages 117-124 Overloading (Mikael Olsson)....Pages 125-128 Magic Methods (Mikael Olsson)....Pages 129-135 User Input (Mikael Olsson)....Pages 137-144 Cookies (Mikael Olsson)....Pages 145-146 Sessions (Mikael Olsson)....Pages 147-148 Namespaces (Mikael Olsson)....Pages 149-156 References (Mikael Olsson)....Pages 157-160 Advanced Variables (Mikael Olsson)....Pages 161-163 Error Handling (Mikael Olsson)....Pages 165-171 Exception Handling (Mikael Olsson)....Pages 173-178 Assertions (Mikael Olsson)....Pages 179-180 Back Matter ....Pages 181-185