This directive not only affects the type declarations of parameters, but also a function's return type (see return type declarations, built-in PHP functions, ...
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There are a few incompatibilities and new features that should be considered, and code should be tested before switching PHP versions in production environments ...
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People also ask
What are the features of PHP 7?
PHP 7.0 added support for scalar type declarations for types string (strings), int (integers), float (floating-point numbers), and bool (booleans). To demonstrate type declarations with an example, create a script (typedeclr. php) in the document root directory and copy the following listing to the script: <?
How to update PHP 7 to PHP 8?
How to update to PHP 8 step by step:
1
Existing Project Setup and Backup: ...
2
Clone project with new PHP version: ...
3
Install PHP extensions: ...
4
Enable PHP error reporting: ...
5
Fix warnings, fatal errors, and syntax errors: ...
6
Check library versions and support: ...
7
Find replacements for unsupported libraries: ...
8
Upgrade cron jobs:
What is the latest version of PHP and features?
PHP 8.1, released in 2021, brings major new features such as Enums, Fibers, never return type, Intersection Types, readonly properties, and more, while ironing out some of its undesired legacy features by deprecating them.
Is PHP 7.0 still supported?
PHP 5.6, 7.0, 7.1, 7.2, 7.3, and 7.4 End of Life. End of life means these versions will no longer have security support and could be exposed to unpatched security vulnerabilities. As of November 28, 2022, PHP 7.4 reached its end of life. As of December 6th, 2021, PHP 7.3 reached its end of life.
Für die Deklaration des Rückgabetyps stehen dieselben Typen zur Verfügung wie für die Deklaration des Parameter-Typs. <?php function arraysSum(array ...$arrays): ...
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A new type, object, has been introduced that can be used for (contravariant) parameter typing and (covariant) return typing of any objects. <?php function test( ...
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This means that custom error handlers may no longer be triggered because exceptions may be thrown instead (causing new fatal errors for uncaught Error ...
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PHP 4 style constructors (methods that have the same name as the class they are defined in) are deprecated, and will be removed in the future. PHP 7 will emit ...
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Table of Contents ¶ ... This new major version brings with it a number of new features and some incompatibilities that should be tested for before switching PHP ...
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Arrays and Traversable objects can be unpacked into argument lists when calling functions by using the ... operator. This is also known as the splat operator in ...
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A list of changes in PHP 7.0+ all on one page. GitHub Gist: instantly share code, notes, and snippets.
PHP Manual · Appendices · Migrating from PHP 7.3.x to PHP 7.4.x ... New Features ¶. PHP Core ¶. Typed properties ... My PHP.net · Contact · Other PHP.net sites ...
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