An Insight into PHP 7
                     An Insight into PHP 7.2: Covered In a PHP Course
PHP Course
PHP Course
Introduction
 An introduction to PHP 7.2
 What is PHP 7.2?
 When did the version of PHP 7.2 release?
 What are the features of PHP 7.2?
PHP Course
o An introduction to PHP 7.2
• A PHP course would tell one that PHP 7.2 came with a lot of incremental 
improvements to PHP. 
• It offers more consistency, predictability and a continued concentration on security.
PHP Course
o What is PHP 7.2?
• A PHP course would give information on the entire concept of PHP 7.2.
•  It would tell you that PHP7.2 is the second main release on the PHP 7 series. 
• This upgrade comprises of a wide range of new features and deprecations. 
• It also includes various performance and security improvements.
PHP Course
o When did the version of PHP 7.2 release?
•  A PHP course would not be the only one to tell you that PHP 7.2.0 was released to 
the public on November 30, 2017.
• What was the date of end –of-life (EOL) for PHP 7.2:
• A PHP course would tell one that PHP 7.2 received active support until November 
30, 2019. 
• However, it will only receive security updates only until it reaches end-of-life on 
November 30, 2020.
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PHP Course
o What are the features of PHP 7.2?
A PHP course would tell one that the PHP 7.2 features can be divided into several 
categories. They are:
syntax improvements and enhancements
security improvements
Deprecations
1.  Syntax Improvements and Enhancements
• A PHP course would tell one that the first key enhancement in the PHP 7.2 features 
is Syntax   Improvements and Enhancements. 
• This feature enhances the rules that are used to allow or not allow type widening or 
narrowing when overriding a method signature.
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2.  security improvements
• This is the second enhancement also covered in a PHP course to prevent 
vulnerabilities.  
• The previous versions of PHP have maintained a reputation of using the 
latest security practices. 
• Moreover, the 7.2 version will continue with this trend.
•  It merges the disodium cryptography library, includes him Argon2 algorithm 
for password hashing and has got rid of the mcrypt extension.
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3.  Deprecations
• A PHP course would not be the only one to tell you that programming languages 
constantly evolve over time.
•  As a result of this, there are certain features that become outdated or there are new 
and innovative solutions.  
• PHP would also have elements that are deprecated over time. 
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