A PEAR raktár összes szkriptje a következő elvárásoknak kell, hogy megfeleljen:

  • ASCII szöveg formátumban legyen tárolva

  • ISO-8859-1 karakter kódolással legyen megírva

  • Unix formátumú legyen

    A "Unix formátumú" a következő két dolgot jelenti:

    1) A sorok végén csak egy soremelés lehet (line feed, LF). A soremelések karakterkódja decimális 10, oktális 012 és hexadecimális 0A. Ne használjuk a Macintosh számítógépekre jellemző kocsivissza-jeleket (carriage return, CR), illetve a Windows rendszerekre jellemző kocsivissza/soremelés kombinációt (CRLF).

    2) Legyen egy soremelés a záró PHP tag után (?>). Ez azt jelenti, hogy ha a kurzor a fájl legvégén áll, egy sorral van a záró PHP tag alatt.

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Last updated: Fri, 27 Nov 2015 — Download Documentation
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User Notes:

Note by: gbarnhardt@gmail.com
I thought that any whitespace after the closing php tag ?> causes errors. Additionally, isn't best practice to not include the closing php tag at all?
Note by: kornel
I don't like these rules.

You require @author tag, and my name cannot be properly written in ASCII or ISO-8859-1. I think requirement of UTF-8 is much more reasonable these days.

Although "?>\n" is harmless, any accidentally added lines after that will be output and will cause trouble. I don't see any benefit in having "?>" and I see potential pitfalls, so IMHO it should be forbidden, rather than required.

Note by: wiesemann
shiplu.net..., you're wrong. The described line feeds are intended to not cause trouble e.g. with the header() or with session functions. Problems would arise only if there would be any more whitespace after the closing tag.
Note by: shiplu.net@gmail.com
LF after ?> is not a good idea.
It'll cause problem while working with headers.
I think this rule should be omitted.
Note by: gauthierm
cbrunet: Adding a single line-feed after the closing ?> does not cause headers to be sent. It is ignored by PHP.
Note by: cbrunet
Adding a LF after the last ?> could cause a problem to scripts that need to be executed before headers are sent. I will send a newline to the browser, causing headers to be send.
Note by: Dev
Whay not use the unicode utf-8 format?