PHP: what is --enable-zend-multibyte configure option for?

Question

What is exactly --enable-zend-multibyte option for when you ./configure PHP?

There's some info at http://grokbase.com/t/php/php-internals/10bjtjztcw/enable-zend-multibyte — Pacerier, Oct 27 '14 at 01:10

score 5 · Accepted Answer · edited Oct 12 '15 at 12:27

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It is to be able to detect if PHP scripts are Unicode/Multibyte encoded or not (UTF-8 always works and does not need this setting).

I've found this information in this article http://devzone.zend.com/article/2693 (archived copy, the article itself is outdated).

edited Oct 12 '15 at 12:27

Jenny D

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answered May 26 '10 at 12:53

Pipe

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"are Unicode encoded or not" is extremely vague. Are there details regarding its implementation? – Pacerier Oct 27 '14 at 01:08
The link is dead – ThaDafinser Jun 12 '15 at 07:18

score 4 · Answer 2 · answered Jul 15 '10 at 15:34

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It is a prerequisite for declare(encoding) handling.

Apart from that, I have filed a bug about the lack of documentation for this: http://bugs.php.net/bug.php?id=52348

answered Jul 15 '10 at 15:34

blueyed

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score 0 · Answer 3 · edited Jun 29 '11 at 10:16

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The configuration option --enable-zend-multibyte is part of the zend scripting engine and used for auto-detection of Unicode encoded scripts and files. It looks for BOM (byte order marks) in the begining of the file and uses that to figure out the encoding.

edited Jun 29 '11 at 10:16

Community

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answered May 26 '10 at 12:50

pehrs

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I don't think it is a part of Zend Framework actually. Because Zend Framework is a collection of PHP scripts ;) – Vladislav Rastrusny May 27 '10 at 13:21

PHP: what is --enable-zend-multibyte configure option for?

3 Answers3