dzhuravel/php7x

This package is abandoned and no longer maintained. No replacement package was suggested.

With using the PHP library, we are checking the new feature of 7.x features in index.php file.

dev-master 2019-06-29 11:33 UTC

Requires

• php: >7.1

MIT

• Dmytro Zhuravel

README

This project shows the example of different versions of PHP updates from 7.0 to 7.3.

Installation

The preferred way to install this extension is through composer. Check the composer.json for this extension's requirements and dependencies. Read this composer.json for source library requirements.

To install or either to run:

php composer.phar require "dzhuravel/php7x @dev"

Basic Usage

Look at the index.php and in the end of the there are functions that use the functionally of the different PHP versions

ternarOperator()

echo $test1->ternarOperator();

• If the variable $firstVar is defined, function returns it, otherwise returns a constant 3

getKey()

echo $test1->getKey(int $key);

• We are able to find the first key array_key_first() in the array. If $key is not entered, function will return last key of array with using array_key_last().

countVar()

echo $test1->countVar();

• Using the PHP 7.3 is_countable() function, we can determine if it is possible to count the array. The example provided did not include the array as input.

setPower()

echo $test2->setPower();

• Function connected to the strict types property. Result will be provided if the numbers inputted as integers.

textEntered()

echo $test2->textEntered();

• Example of using void. The function in this case shall not return the value. Using the PHP 7.1 feature.

Class Constants

• Example of using PHP 7.1, which enabled feature of using visibility of constants.

Ability of using null as parameter in the function

• In PHP 7.1 we are allowed to return the null value, if the function parameter allows the null of one of the parameters. Example is included in most of the functions.