Unicode Functions
Einführung
Unicode Support.
This extension is still in development and it isn't available to public yet.
Anforderungen
» ICU 3.4 or later is required.
Installation
First you should download and install ICU:
Example#1 install ICU on Unix
./configure --disable-threads --enable-extras --enable-icuio --enable-layout make && make install
Then checkout latest PHP and configure it --with-icu-dir=<dir> option, where <dir> was the dir to where you installed ICU. You don't need to explicitly use this option if you install ICU to a standard location.
Laufzeit Konfiguration
Das Verhalten dieser Funktionen wird durch Einstellungen in der php.ini beeinflusst.
| Name | Default | Changeable | Changelog |
|---|---|---|---|
| unicode.fallback_encoding | NULL | PHP_INI_ALL | Available since PHP 6.0.0. |
| unicode.from_error_mode | "2" | PHP_INI_ALL | Available since PHP 6.0.0. |
| unicode.from_error_subst_char | "3f" | PHP_INI_ALL | Available since PHP 6.0.0. |
| unicode.http_input_encoding | NULL | PHP_INI_ALL | Available since PHP 6.0.0. |
| unicode.output_encoding | NULL | PHP_INI_ALL | Available since PHP 6.0.0. |
| unicode.runtime_encoding | NULL | PHP_INI_ALL | Available since PHP 6.0.0. |
| unicode.script_encoding | NULL | PHP_INI_ALL | Available since PHP 6.0.0. |
| unicode.semantics | "0" | PHP_INI_SYSTEM | Available since PHP 6.0.0. |
Hier eine kurze Erklärung der Konfigurationsoptionen:
- unicode.output_encoding string
-
Default encoding for output.
Vordefinierte Konstanten
Folgende Konstanten werden von dieser Erweiterung definiert und stehen nur zur Verfügung, wenn die Erweiterung entweder statisch in PHP kompiliert oder dynamisch zur Laufzeit geladen wurde.
| constant | value | description |
|---|---|---|
| U_INVALID_STOP | 0 | stop at first invalid character |
| U_INVALID_SKIP | 1 | skip invalid characters |
| U_INVALID_SUBSTITUTE | 2 | replace invalid characters |
| U_INVALID_ESCAPE | 3 | escape invalid characters |
Inhaltsverzeichnis
- unicode_decode — Convert a binary string into a Unicode string
- unicode_encode — Convert a unicode string in any encoding
- unicode_get_error_mode — Get the error mode for strings conversions
- unicode_get_subst_char — Get the substitution character for string conversion errors
- unicode_semantics — Check whether unicode semantics is enabled
- unicode_set_error_mode — Set the error mode for strings conversions
- unicode_set_subst_char — Set the substitution character for string conversion errors