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footnotes/class/language.php
Ben Goldsworthy 1284544556 refactor: remove Hungarian notation and MCI prefixes
I had to use some RegEx-fu for this. Specifically:

```bash
find ./{footnotes.php,includes.php,class/} -type f -name "*.php" -exec sed -i 's/\(p\|l\|a\)_\(str\|bool\|int\|obj\|flo\|arr\)_//g' {} \;
find ./{footnotes.php,includes.php,class/} -type f -name "*.php" -exec sed -i 's/MCI_Footnotes/Footnotes/g' {} \;
find ./{footnotes.php,includes.php,class/} -type f -name "*.php" -exec sed -i 's/C_\(INT\|STR\|FLO\)_//g' {} \;
```

This should have covered all the bases.

In my testing I encountered one error caused by these changes.
In the `add_select_box` function in `/class/dashboard/layout.php`,
there was a function parameter called `$p_arr_options` and a variable
called `$l_str_options`. Removing the Hungarian notation caused an
error as these two variables were both now called `$options`.

This has been fixed, and I like to think that that will have been
the only naming conflict, but I think it is more likely that there
maybe others. Further testing is required before I am happy calling
this release-ready.

Close #34, progress #36
2021-04-16 23:55:05 +01:00

98 lines
3.4 KiB
PHP

<?php // phpcs:disable WordPress.Files.FileName.InvalidClassFileName
/**
* Loads text domain of current or default language for localization.
*
* @filesource
* @package footnotes
* @since 1.5.0
*
* @since 2.0.0 Bugfix: Localization: correct function call apply_filters() with all required arguments after PHP 7.1 promoted warning to error, thanks to @matkus2 bug report and code contribution.
* @since 2.1.6 Bugfix: Localization: conform to WordPress plugin language file name scheme, thanks to @nikelaos bug report.
*/
/**
* Loads text domain of current or default language for localization.
*
* @since 1.5.0
*/
class Footnotes_Language {
/**
* Register WordPress Hook.
*
* @since 1.5.0
*/
public static function register_hooks() {
add_action( 'plugins_loaded', array( 'Footnotes_Language', 'load_text_domain' ) );
}
/**
* Loads the text domain for current WordPress language if exists.
* Otherwise fallback "en_GB" will be loaded.
*
* @since 1.5.0
*
*
* - Bugfix: Correct function call apply_filters() with all required arguments after PHP 7.1 promoted warning to error, thanks to @matkus2 bug report and code contribution.
*
* @since 2.0.0
*
* @contributor @matkus2
* @link https://wordpress.org/support/topic/error-missing-parameter-if-using-php-7-1-or-later/
*
* Add 3rd (empty) argument in apply_filters() to prevent PHP from throwing an error.
* “Fatal error: Uncaught ArgumentCountError: Too few arguments to function apply_filters()”
*
* Yet get_locale() is defined w/o parameters in wp-includes/l10n.php:30, and
* apply_filters() is defined as apply_filters( $tag, $value ) in wp-includes/plugin.php:181.
* @link https://developer.wordpress.org/reference/functions/apply_filters/
*
* But apply_filters() is defined with a 3rd parameter (and w/o the first one) in
* wp-includes/class-wp-hook.php:264, as public function apply_filters( $value, $args ).
*
* Taking it all together, probably the full function definition would be
* public function apply_filters( $tag, $value, $args ).
* In the case of get_locale(), $args is empty.
*
* The bug was lurking in WP. PHP 7.1 promoted the warning to an error.
* @link https://www.php.net/manual/en/migration71.incompatible.php
* @link https://www.php.net/manual/en/migration71.incompatible.php#migration71.incompatible.too-few-arguments-exception
*/
public static function load_text_domain() {
// If language file with localization exists.
if ( self::load( apply_filters( 'plugin_locale', get_locale(), '' ) ) ) {
return;
}
// Else fall back to British English.
self::load( 'en_GB' );
}
/**
* Loads a specific text domain.
*
* @since 1.5.1
* @param string $language_code Language Code to load a specific text domain.
* @return bool
*
*
* - Bugfix: Localization: conform to WordPress plugin language file name scheme, thanks to @nikelaos bug report.
*
* @since 2.1.6
*
* @reporter @nikelaos
* @link https://wordpress.org/support/topic/more-feature-ideas/
*
* That is done by using load_plugin_textdomain().
* “The .mo file should be named based on the text domain with a dash, and then the locale exactly.”
* @see wp-includes/l10n.php:857
*/
private static function load( $language_code ) {
return load_plugin_textdomain(
Footnotes_Config::PLUGIN_NAME,
false,
Footnotes_Config::PLUGIN_NAME . '/languages'
);
}
}