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PHP 8 Training Class | Learn Online | Live Instructor | Web Courses | $ 94,066.00

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PHP Training Class | Learn Online | Live Instructor | Web Courses


 


About Course


Having captured more than 78% of the web development languages market, PHP is a fast, popular, and well supported web development language. PHP 8 has been long anticipated, but the wait is just about over! This information-packed intensive core PHP course is designed for PHP developers with a knowledge of PHP 5.x or 7.x. Learn about all the great new features in PHP 8 with a focus on migration from PHP 7 to PHP 8. Get a head start and leave the rest of the crowd behind.


 


https://phptraining.net


 


Detailed Course Outline


Core OOP Coding Differences


There are two words that causes any developer to start looking nervously over his or her shoulder: _backwards incompatible_. Thus was born the phrase _BC Breaks_ meaning code that breaks due to backwards compatibility issues. In this unit we cover core PHP 8 language coding differences you must learn about in order avoid BC breaks.


 


This unit includes the following topics:


 


Core OOP Coding Differences


Magic Method Changes: Constructor


Magic Method Signatures


Magic Method Signatures Example


Magic Method Changes: Sleep


Serialization Differences


Custom Serialization


Custom Serialization Example


Private Method Signatures


Private Method Signature Example


Static Anyone?


Object Properties No Longer Array Keys


Anonymous Class Control


Stringable Interface


Namespace Handling


Namespace Handling Considerations


Namespace Handling BC Break


Trait Handling Refinements


Trait Abstract Signature Check


Private Abstract Methods in Traits


Private Abstract Methods in Traits


Variance Support


Variance Support


Covariance


Contravariance


SPL Differences: SplFileObject


SPL Differences: SplHeap


SPL Differences: SplDoublyLinkedList


SPL Autoloading: spl_autoload_register()


Lab: Core OOP Coding Differences


Procedural Programming Differences


Prior to May 2000, when PHP 4 was officially released, all PHP programming used what is now referred to as _procedural_ coding style. Procedural programming is distinctive in its extensive use of libraries of _functions_ rather then OOP classes. In this unit we focus on PHP 8 changes to procedural programming.


 


This unit includes the following topics:


 


Procedural Programming Differences


Differences in String Handling


Non-Well-Formed Numeric Strings


Numeric Strings BC Breaks


Numeric Strings BC Break Examples


Comparison Madness


Comparison Examples


String Handling: Needle Argument


Differences If No Needle


v*printf() Changes


substr*() NULL Length


Crazy Uncle implode()


Second Param parse_str()


Locale Independent Float-to-String


Locale Independent Float-to-String


No More Function Overloading


Function Overloading Example


Array Handling Differences


Array Curly Brace Usage


Hello, Operator?


Non Scalar Operands


Constants Are Now Constant


File Handling


Function Differences


Disable Functions


Disable Functions Example


Security Related Function Changes


Security Function Change: assert()


Security Function Change: password_hash()


Security Function Change: crypt()


URL Handling Changes


Misc Changes


Changes Pertaining to Windows


Lab: Procedural Programming Differences


Extension Gotchas


In addition to changes to the PHP core, there have been significant changes to a number of PHP extensions as well. In this unit we identify critical changes in key extensions and things you need to watch out for to avoid BC breaks.


 


https://php-cl.com


 


This unit includes the following topics:


 


Extension Gotchas


Objects Rather Than Resources


Objects Rather Than Resources


Objects / Resources: XML Parser


XMLWriter Differences


CURL Extension Gotchas


Mbstring Extension Gotchas


Mbstring Extension Gotchas: mb_ereg*


Mbstring Extension Gotchas: mb_ereg*


Mbstring Extension Gotchas: mb_strrpos


Mbstring Removed Aliases


Mbstring Extension Gotchas: Other


PCRE Extension Gotchas


PCRE Extension Gotchas Example


Intl Extension Gotchas


Database Extension Gotchas


PDO Gotchas


GD Extension Gotchas


GD Extension Gotchas


Reflection Extension Gotchas


Reflection Extension Gotchas


Reflection Extension Improvements


Zip/ZipArchive Extension Gotchas


ZipArchive


ZipArchive Example


Misc Extension Gotchas


Lab: Extension Gotchas


New Cool Stuff


This is the part you all have been waiting for, right? The new **cool stuff**. Without further ado, let's roll!


 


This unit includes the following topics:


 


New Cool Stuff


JIT Compiler


JIT Compiler: How to Enable


JIT Compiler: Controls


JIT Compiler: Controls Continued


JIT Example


The Case for Union Types


Union Types: Syntax


Union Types: Exceptions


Mixed Types


Mixed Types Example


Mixed Types Impact on Variance


Mixed Types Impact on Variance


Weak References


Weak Reference Example


Weak Map


Weak Map Usage Example


Variadic Operators


Nullsafe Operator


Nullsafe Operator Short-Circuiting


Match Expressions


Match Expressions: Considerations


Match Expressions: No Silent Coercion


Static Return Type


Named Arguments


Named Arguments: Order Independence


Named Arguments: Skipping Defaults


Attributes


Attribute Syntax


Simple Attribute Example


Attribute Use Case: Original


Attribute Use Case: Revised


Attribute Class


Constructor Argument Promotion


Constructor Argument Promotion


Lab: Cool Stuff


Lots of Improvements


There have been many improvements in syntax and general handling of classes and functions in PHP 8. A number of improvements were actually first tested in PHP 7.4, and fully implemented in PHP 8.


 


This unit includes the following topics:


 


Lots of Improvements


Typed Properties


Typed Properties


Typed Properties


Arrow Functions


Arrow Functions


Arrow Functions


OOP Syntax Improvements


Uniform Variable Syntax


What's "De-Referencing"?


Uniform String Dereferencing


Dereferencing Constants


Expressions Anywhere


Extended Use of ::class


No Comma Left Behind


JSON is Here to Stay!


Try/Catch/Finally New Stuff


array_splice() Improvements


array_splice() Example


array_slice() Performance Boost


array_slice() Example


String Handling Enhancements


Stable Sorting


Stable Sorting Example


Affect on Keys in Stable Sorting


Illegal Sort Functions


Strings: Beginning, Middle and End


Strings: Beginning, Middle and End


Strings: str_contains


SQLite Authorizer


Other Improvements


Other Improvements


Other Improvements


Cool Stuff in Extensions


As well as core additions, there have been a number of incredibly use enhancements in a number of PHP extensions. This unit focuses on new and cool stuff in PHP 8 extensions.


 


This unit includes the following topics:


 


Extension Cool Stuff


OpenSSL Improvements


New Tokenizer Class


New Tokenizer Class


Security Filtering Improvements


Improvement in Timezone Change Handling


DateTime Creation


PHP Web Extension Improvements


Miscellaneous Extension Improvements


Lab: Cool Stuff in Extensions


Error Handling Improvements


Error handling has been strengthened in PHP 8. As many of you have observed during the transition from PHP 5 to PHP 7, error handling was improved. With each successive release of PHP 7.x, you also observed that bad programming practices are slowly being restricted. PHP 8 goes one step further, as explained in this unit.


 


This unit includes the following topics:


 


Error Handling Improvements


Warnings Promoted to Fatal Errors!


Warnings Promoted: Array


Warnings Promoted: String


Undefined Constants Now Fatal Errors


Notices Promoted to Warnings!


Error Level Defaults Changed


Use of Parent


No Longer @Silent


Using @ Operator With error_reporting()


Inheritance and Method Signatures


Error Related INI Directives


Compile Time Warning Changes


Clean Shutdown


Non Capturing Catches


Lab: Error Handling


Going, Going ... Not Quite Gone


Using classes, methods, functions, etc. on the _deprecated_ list are not going to break your code, however it's an indication that at some point in the near future these constructs will be removed from the language. Accordingly, it's important for PHP developers to at least be aware of the more important deprecated functionality in PHP 8.


 


This unit includes the following topics:


 


Going, Going ... Not Quite Gone


Core Deprecations


Deprecations: Enchant


Deprecations: Reflection


Things Removed


Each What, You Say?


__autoload: Loads No More


Removed Classes


Security Related Removals


Removals Related to Extensions


Misc Extension Removals


Lab: Deprecations


Fees


Originally priced at $700, the course fee has been reduced by 50% to help potential attendees who are affected by the worldwide pandemic. Until the end of the year, as an added bonus for signing up for the course, we are offering a free 30-day trial account on the LfPHP Cloud Service.


 


Instructor


instructor


Doug Bierer


Senior Instructor


 


   https://phptraining.net/

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