bayfrontmedia / translation
A PHP translation library utilizing multiple language storage options.
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Requires
- php: ^8.0
- ext-json: *
- ext-pdo: *
- bayfrontmedia/php-array-helpers: ^2.0
README
A PHP translation library utilizing multiple language storage options.
License
This project is open source and available under the MIT License.
Author
Requirements
- PHP
^8.0
- JSON PHP extension
- PDO PHP extension
Installation
composer require bayfrontmedia/translation
Usage
NOTE: It is up to you to populate the translation data, no matter where it is stored. This library simply reads the existing data from its source.
Storage adapter
A Bayfront\Translation\ApadpterInterface
must be passed to the Bayfront\Translation\Translate
constructor.
There are a variety of storage adapters available, each with their own required configuration.
Defined array
The defined array adapter allows you to use a predefined array containing all of your translations.
use Bayfront\Translation\Adapters\DefinedArray;
$adapter = new DefinedArray([
'en' => [ // Locale
'dashboard' => [ // ID
'title' => 'Account dashboard',
'greeting' => 'Welcome back, {{name}}'
]
]
]);
Local
The local adapter allows you to use local native PHP files containing all of your translation arrays.
use Bayfront\Translation\Adapters\Local;
$adapter = new Local('/root_path');
The file structure from the root path should be:
/root_path
/locale
/id.php
For example, if the locale is set as en
, the method say('dashboard.greeting')
will search for the file /root_path/en/dashboard.php
, and the array key greeting
.
Example dashboard.php
:
<?php
return [
'title' => 'Account dashboard',
'greeting' => 'Welcome back, {{name}}'
];
PDO
The PDO adapter allows you to use a \PDO
instance for language retrieval from a database, and may throw a Bayfront\Translation\AdapterException
exception in its constructor.
To create a compatible table, execute the following statement:
CREATE TABLE IF NOT EXISTS table_name (
`locale` varchar(80) NOT NULL,
`id` varchar(255) NOT NULL,
`contents` longtext NOT NULL,
UNIQUE KEY unique_index(locale,id))
This table structure ensures only one row exists with a matching locale
and id
.
The contents
column should contain a JSON encoded array.
The PDO adapter will create/use a table named "translations" unless otherwise specified in the constructor.
use Bayfront\Translation\Adapters\PDO;
try {
$adapter = new PDO($dbh, 'table_name');
} catch (AdapterException $e) {
die($e->getMessage());
}
Start using Translation
Once your adapter has been created, it can be used with Translation. In addition, a string defining the locale should be passed to the constructor.
The last argument is true
by default.
When true
, if a translation is not found and $default = NULL
, the original string is returned.
If false
, a Bayfront\Translation\TranslationException
is thrown.
use Bayfront\Translation\Translate;
$translate = new Translate($adapter, 'en', true);
Public methods
getLocale
Description:
Get locale.
Parameters:
- None
Returns:
- (string)
Example:
echo $translate->getLocale();
setLocale
Description:
Set locale.
Parameters:
$locale
(string)
Returns:
- (self)
Example:
$translate->setLocale('es');
getTranslations
Description:
Return array of all known translations.
Translations are only "known" once their ID has been used, or they have been added via the addTranslations method.
Parameters:
- None
Returns:
- (array)
Example:
$translations = $translate->getTranslations();
addTranslations
Description:
Add translations to the known translations for the current request only.
Parameters:
$translations
(array)
Returns:
- (self)
Example:
$translate->addTranslations([
'en' => [ // Locale
'dashboard' => [ // ID
'title' => 'New account dashboard'
]
],
'es' => [
'dashboard' => [
'greeting' => 'Bienvenidos, {{name}}'
]
]
]);
get
Description:
Return the translation for a given string.
The string format is: id.key
.
Keys are in array dot notation, so they can be as deeply nested as needed.
Replacement variables should be surrounded by {{ }}
in the original string.
If a translation is not found and $default = NULL
, either the original string is returned, or a TranslationException
is thrown, depending on the setting chosen in the constructor.
Parameters:
$string
(string)$replacements = []
(array)$default = NULL
(mixed): Default value to return if translation is not found
Returns:
- (mixed)
Throws:
Bayfront\Translation\TranslationException
Example:
$title = $translate->get('dashboard.title');
// Example with replacements
$greeting = $translate->get('dashboard.greeting', [
'name' => 'John'
]);
say
Description:
Echos the translation for a given string.
Parameters:
$string
(string)$replacements = []
(array)$default = NULL
(mixed): Default value to return if translation is not found
Returns:
- (void)
Throws:
Bayfront\Translation\TranslationException
Example:
$translate->say('dashboard.title');
replace
Description:
Replace case-sensitive values in a string.
Parameters:
$string
(string): Original string$replacements = []
(array): Array of values and replacements
Returns:
- (string)
Example:
$title = $translate->get('dashboard.title');
echo $translate->replace($title, [
'dashboard' => 'homepage'
]);
replaceAll
Description:
Replace multiple case-sensitive values in a string with a single replacement.
Parameters:
$string
(string): Original string$values
(array): Array of values to replace$replacement
(string)
Returns:
- (string)
Example:
echo $translate->replaceAll($user_comment, [
'array',
'of',
'bad',
'words'
], '**CENSORED**');