info/php-the-right-way
1
0
Fork 0
mirror of https://github.com/codeguy/php-the-right-way.git synced 2025-08-12 08:43:58 +02:00
Code Issues Projects Releases Wiki Activity

Merge pull request #686 from wturrell/patch-5

Browse Source 
Namespaces - simplify, add clarity
This commit is contained in:
Phil Sturgeon
2016-09-29 11:13:25 -04:00
committed by GitHub
parent 69b0b73a12 625d900851
commit 89b91798c3
1 changed files with 3 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
_posts/03-03-01-Namespaces.md
View File

@@ -6,7 +6,7 @@ anchor: namespaces
## Namespaces {#namespaces_title} ## Namespaces {#namespaces_title}
As mentioned above, the PHP community has a lot of developers creating lots of code. This means that one library's PHP As mentioned above, the PHP community has a lot of developers creating lots of code. This means that one library's PHP
code may use the same class name as another library. When both libraries are used in the same namespace, they collide code might use the same class name as another. When both libraries are used in the same namespace, they collide
and cause trouble. and cause trouble.
_Namespaces_ solve this problem. As described in the PHP reference manual, namespaces may be compared to operating _Namespaces_ solve this problem. As described in the PHP reference manual, namespaces may be compared to operating
@@ -19,13 +19,9 @@ with other libraries.
One recommended way to use namespaces is outlined in [PSR-4][psr4], which aims to provide a standard file, class and One recommended way to use namespaces is outlined in [PSR-4][psr4], which aims to provide a standard file, class and
namespace convention to allow plug-and-play code. namespace convention to allow plug-and-play code.
In October 2014 the PHP-FIG deprecated the previous autoloading standard: [PSR-0][psr0], which has been replaced with In October 2014 the PHP-FIG deprecated the previous autoloading standard: [PSR-0][psr0]. Both PSR-0 and PSR-4 are still perfectly usable. The latter requires PHP 5.3, so many PHP 5.2-only projects implement PSR-0.
[PSR-4][psr4]. Currently both are still perfectly usable and PSR-0 is not going away. As PSR-4 requires PHP 5.3 and
many PHP 5.2-only projects currently implement PSR-0. Luckily those PHP 5.2-only projects are starting to up their
version requirements, meaning PSR-0 is being used less and less.
If you're going to use an autoloader standard for a new application or package then you almost certainly want If you're going to use an autoloader standard for a new application or package, look into PSR-4.
to look into PSR-4.
* [Read about Namespaces][namespaces] * [Read about Namespaces][namespaces]
* [Read about PSR-0][psr0] * [Read about PSR-0][psr0]