psr – Page 5 – Türker Yıldırım

One PSR-4 namespace can map to several directories

NoteApril 29, 20142 min read

A namespace is usually written as if it maps to exactly one directory, and Composer accepts an array of them instead. That turns out to be the thing…

Upgrading a PHP 5.3 application to 5.5

Deep diveApril 2, 201415 min read

5.3 stops getting security fixes in August. Deprecations first, then the behaviour changes, then the version bump — and an APC replacement that ignores every setting you tuned.

The classmap autoloader for a directory PSR-4 cannot describe

NoteJanuary 15, 20142 min read

PSR-4 resolves a class by turning its namespace into a path, which requires the code to have namespaces and for the directory layout to agree with them. A…

::class gives you the class name without a string literal

NoteNovember 19, 20132 min read

A fully qualified class name written as a string is invisible to everything around it: an IDE will not rename it, a search for the class does not…

PSR-3 is a logger interface you do not have to write

NoteNovember 5, 20133 min read

Every project acquires a logger and every one of them is shaped slightly differently — log($message, $level) here, error($message) there, a static call in the third. PSR-3 fixes…

Rebuilding an internal admin panel on Laravel 4

Deep diveSeptember 29, 20139 min read

A framework four months old, an admin panel five years old, and one small section of it rebuilt to find out what Laravel 4 is like to live…

PSR-2 is a style guide you can enforce, not argue about

NoteFebruary 12, 20132 min read

PSR-1 and PSR-2 came out of PHP-FIG at the end of last year, and their value is not that four spaces beat a tab. It is that the…

PSR-2 settled the brace argument by writing it down

NoteSeptember 4, 20123 min read

PHP-FIG accepted PSR-1 and PSR-2 in August, and the useful thing about them is not that any particular choice is correct. Several are plainly arbitrary. It is that…

Introducing Composer to a CodeIgniter application

Deep diveJune 26, 20129 min read

Four unversioned libraries in application/libraries, two of them edited in place. Moving the application onto Composer and PSR-0 without giving up the framework’s own loader.

PSR-0 turns an underscore in a class name into a directory

NoteApril 30, 20123 min read

PSR-0 is remembered as “the namespace maps to the path”, and that is only the first of its two rules. The second is a PEAR compatibility clause: each…