wp_dropdown_languages

函式
wp_dropdown_languages ( $args = array() )
引數
  • (string|array) $args { Optional. Array or string of arguments for outputting the language selector. @type string $id ID attribute of the select element. Default 'locale'. @type string $name Name attribute of the select element. Default 'locale'. @type array $languages List of installed languages, contain only the locales. Default empty array. @type array $translations List of available translations. Default result of wp_get_available_translations(). @type string $selected Language which should be selected. Default empty. @type bool|int $echo Whether to echo the generated markup. Accepts 0, 1, or their boolean equivalents. Default 1. @type bool $show_available_translations Whether to show available translations. Default true. @type bool $show_option_site_default Whether to show an option to fall back to the site's locale. Default false. @type bool $show_option_en_us Whether to show an option for English (United States). Default true. @type bool $explicit_option_en_us Whether the English (United States) option uses an explicit value of en_US instead of an empty value. Default false. }
    Required:
    Default: array()
返回值
  • (string) HTML dropdown list of languages.
相關
  • get_available_languages()
  • wp_get_available_translations()
定義位置
相關方法
mu_dropdown_languageswp_dropdown_pageswp_dropdown_roleswp_dropdown_catswp_dropdown_users
引入
4.0.0
棄用
-

wp_dropdown_languages: 這個函式用來顯示WordPress網站可用的語言的下拉選單: 這個函式可以用來讓使用者在不同的語言之間進行切換,並且可以自定義包括不同的顯示選項和引數。

顯示或返回一個語言選擇器。

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EnlighterJS 3 Syntax Highlighter
function wp_dropdown_languages( $args = array() ) {
$parsed_args = wp_parse_args(
$args,
array(
'id' => 'locale',
'name' => 'locale',
'languages' => array(),
'translations' => array(),
'selected' => '',
'echo' => 1,
'show_available_translations' => true,
'show_option_site_default' => false,
'show_option_en_us' => true,
'explicit_option_en_us' => false,
)
);
// Bail if no ID or no name.
if ( ! $parsed_args['id'] || ! $parsed_args['name'] ) {
return;
}
// English (United States) uses an empty string for the value attribute.
if ( 'en_US' === $parsed_args['selected'] && ! $parsed_args['explicit_option_en_us'] ) {
$parsed_args['selected'] = '';
}
$translations = $parsed_args['translations'];
if ( empty( $translations ) ) {
require_once ABSPATH . 'wp-admin/includes/translation-install.php';
$translations = wp_get_available_translations();
}
/*
* $parsed_args['languages'] should only contain the locales. Find the locale in
* $translations to get the native name. Fall back to locale.
*/
$languages = array();
foreach ( $parsed_args['languages'] as $locale ) {
if ( isset( $translations[ $locale ] ) ) {
$translation = $translations[ $locale ];
$languages[] = array(
'language' => $translation['language'],
'native_name' => $translation['native_name'],
'lang' => current( $translation['iso'] ),
);
// Remove installed language from available translations.
unset( $translations[ $locale ] );
} else {
$languages[] = array(
'language' => $locale,
'native_name' => $locale,
'lang' => '',
);
}
}
$translations_available = ( ! empty( $translations ) && $parsed_args['show_available_translations'] );
// Holds the HTML markup.
$structure = array();
// List installed languages.
if ( $translations_available ) {
$structure[] = '<optgroup label="' . esc_attr_x( 'Installed', 'translations' ) . '">';
}
// Site default.
if ( $parsed_args['show_option_site_default'] ) {
$structure[] = sprintf(
'<option value="site-default" data-installed="1"%s>%s</option>',
selected( 'site-default', $parsed_args['selected'], false ),
_x( 'Site Default', 'default site language' )
);
}
if ( $parsed_args['show_option_en_us'] ) {
$value = ( $parsed_args['explicit_option_en_us'] ) ? 'en_US' : '';
$structure[] = sprintf(
'<option value="%s" lang="en" data-installed="1"%s>English (United States)</option>',
esc_attr( $value ),
selected( '', $parsed_args['selected'], false )
);
}
// List installed languages.
foreach ( $languages as $language ) {
$structure[] = sprintf(
'<option value="%s" lang="%s"%s data-installed="1">%s</option>',
esc_attr( $language['language'] ),
esc_attr( $language['lang'] ),
selected( $language['language'], $parsed_args['selected'], false ),
esc_html( $language['native_name'] )
);
}
if ( $translations_available ) {
$structure[] = '</optgroup>';
}
// List available translations.
if ( $translations_available ) {
$structure[] = '<optgroup label="' . esc_attr_x( 'Available', 'translations' ) . '">';
foreach ( $translations as $translation ) {
$structure[] = sprintf(
'<option value="%s" lang="%s"%s>%s</option>',
esc_attr( $translation['language'] ),
esc_attr( current( $translation['iso'] ) ),
selected( $translation['language'], $parsed_args['selected'], false ),
esc_html( $translation['native_name'] )
);
}
$structure[] = '</optgroup>';
}
// Combine the output string.
$output = sprintf( '<select name="%s" id="%s">', esc_attr( $parsed_args['name'] ), esc_attr( $parsed_args['id'] ) );
$output .= implode( "n", $structure );
$output .= '</select>';
if ( $parsed_args['echo'] ) {
echo $output;
}
return $output;
}
function wp_dropdown_languages( $args = array() ) { $parsed_args = wp_parse_args( $args, array( 'id' => 'locale', 'name' => 'locale', 'languages' => array(), 'translations' => array(), 'selected' => '', 'echo' => 1, 'show_available_translations' => true, 'show_option_site_default' => false, 'show_option_en_us' => true, 'explicit_option_en_us' => false, ) ); // Bail if no ID or no name. if ( ! $parsed_args['id'] || ! $parsed_args['name'] ) { return; } // English (United States) uses an empty string for the value attribute. if ( 'en_US' === $parsed_args['selected'] && ! $parsed_args['explicit_option_en_us'] ) { $parsed_args['selected'] = ''; } $translations = $parsed_args['translations']; if ( empty( $translations ) ) { require_once ABSPATH . 'wp-admin/includes/translation-install.php'; $translations = wp_get_available_translations(); } /* * $parsed_args['languages'] should only contain the locales. Find the locale in * $translations to get the native name. Fall back to locale. */ $languages = array(); foreach ( $parsed_args['languages'] as $locale ) { if ( isset( $translations[ $locale ] ) ) { $translation = $translations[ $locale ]; $languages[] = array( 'language' => $translation['language'], 'native_name' => $translation['native_name'], 'lang' => current( $translation['iso'] ), ); // Remove installed language from available translations. unset( $translations[ $locale ] ); } else { $languages[] = array( 'language' => $locale, 'native_name' => $locale, 'lang' => '', ); } } $translations_available = ( ! empty( $translations ) && $parsed_args['show_available_translations'] ); // Holds the HTML markup. $structure = array(); // List installed languages. if ( $translations_available ) { $structure[] = '<optgroup label="' . esc_attr_x( 'Installed', 'translations' ) . '">'; } // Site default. if ( $parsed_args['show_option_site_default'] ) { $structure[] = sprintf( '<option value="site-default" data-installed="1"%s>%s</option>', selected( 'site-default', $parsed_args['selected'], false ), _x( 'Site Default', 'default site language' ) ); } if ( $parsed_args['show_option_en_us'] ) { $value = ( $parsed_args['explicit_option_en_us'] ) ? 'en_US' : ''; $structure[] = sprintf( '<option value="%s" lang="en" data-installed="1"%s>English (United States)</option>', esc_attr( $value ), selected( '', $parsed_args['selected'], false ) ); } // List installed languages. foreach ( $languages as $language ) { $structure[] = sprintf( '<option value="%s" lang="%s"%s data-installed="1">%s</option>', esc_attr( $language['language'] ), esc_attr( $language['lang'] ), selected( $language['language'], $parsed_args['selected'], false ), esc_html( $language['native_name'] ) ); } if ( $translations_available ) { $structure[] = '</optgroup>'; } // List available translations. if ( $translations_available ) { $structure[] = '<optgroup label="' . esc_attr_x( 'Available', 'translations' ) . '">'; foreach ( $translations as $translation ) { $structure[] = sprintf( '<option value="%s" lang="%s"%s>%s</option>', esc_attr( $translation['language'] ), esc_attr( current( $translation['iso'] ) ), selected( $translation['language'], $parsed_args['selected'], false ), esc_html( $translation['native_name'] ) ); } $structure[] = '</optgroup>'; } // Combine the output string. $output = sprintf( '<select name="%s" id="%s">', esc_attr( $parsed_args['name'] ), esc_attr( $parsed_args['id'] ) ); $output .= implode( "n", $structure ); $output .= '</select>'; if ( $parsed_args['echo'] ) { echo $output; } return $output; }
function wp_dropdown_languages( $args = array() ) {

	$parsed_args = wp_parse_args(
		$args,
		array(
			'id'                          => 'locale',
			'name'                        => 'locale',
			'languages'                   => array(),
			'translations'                => array(),
			'selected'                    => '',
			'echo'                        => 1,
			'show_available_translations' => true,
			'show_option_site_default'    => false,
			'show_option_en_us'           => true,
			'explicit_option_en_us'       => false,
		)
	);

	// Bail if no ID or no name.
	if ( ! $parsed_args['id'] || ! $parsed_args['name'] ) {
		return;
	}

	// English (United States) uses an empty string for the value attribute.
	if ( 'en_US' === $parsed_args['selected'] && ! $parsed_args['explicit_option_en_us'] ) {
		$parsed_args['selected'] = '';
	}

	$translations = $parsed_args['translations'];
	if ( empty( $translations ) ) {
		require_once ABSPATH . 'wp-admin/includes/translation-install.php';
		$translations = wp_get_available_translations();
	}

	/*
	 * $parsed_args['languages'] should only contain the locales. Find the locale in
	 * $translations to get the native name. Fall back to locale.
	 */
	$languages = array();
	foreach ( $parsed_args['languages'] as $locale ) {
		if ( isset( $translations[ $locale ] ) ) {
			$translation = $translations[ $locale ];
			$languages[] = array(
				'language'    => $translation['language'],
				'native_name' => $translation['native_name'],
				'lang'        => current( $translation['iso'] ),
			);

			// Remove installed language from available translations.
			unset( $translations[ $locale ] );
		} else {
			$languages[] = array(
				'language'    => $locale,
				'native_name' => $locale,
				'lang'        => '',
			);
		}
	}

	$translations_available = ( ! empty( $translations ) && $parsed_args['show_available_translations'] );

	// Holds the HTML markup.
	$structure = array();

	// List installed languages.
	if ( $translations_available ) {
		$structure[] = '<optgroup label="' . esc_attr_x( 'Installed', 'translations' ) . '">';
	}

	// Site default.
	if ( $parsed_args['show_option_site_default'] ) {
		$structure[] = sprintf(
			'<option value="site-default" data-installed="1"%s>%s</option>',
			selected( 'site-default', $parsed_args['selected'], false ),
			_x( 'Site Default', 'default site language' )
		);
	}

	if ( $parsed_args['show_option_en_us'] ) {
		$value       = ( $parsed_args['explicit_option_en_us'] ) ? 'en_US' : '';
		$structure[] = sprintf(
			'<option value="%s" lang="en" data-installed="1"%s>English (United States)</option>',
			esc_attr( $value ),
			selected( '', $parsed_args['selected'], false )
		);
	}

	// List installed languages.
	foreach ( $languages as $language ) {
		$structure[] = sprintf(
			'<option value="%s" lang="%s"%s data-installed="1">%s</option>',
			esc_attr( $language['language'] ),
			esc_attr( $language['lang'] ),
			selected( $language['language'], $parsed_args['selected'], false ),
			esc_html( $language['native_name'] )
		);
	}
	if ( $translations_available ) {
		$structure[] = '</optgroup>';
	}

	// List available translations.
	if ( $translations_available ) {
		$structure[] = '<optgroup label="' . esc_attr_x( 'Available', 'translations' ) . '">';
		foreach ( $translations as $translation ) {
			$structure[] = sprintf(
				'<option value="%s" lang="%s"%s>%s</option>',
				esc_attr( $translation['language'] ),
				esc_attr( current( $translation['iso'] ) ),
				selected( $translation['language'], $parsed_args['selected'], false ),
				esc_html( $translation['native_name'] )
			);
		}
		$structure[] = '</optgroup>';
	}

	// Combine the output string.
	$output  = sprintf( '<select name="%s" id="%s">', esc_attr( $parsed_args['name'] ), esc_attr( $parsed_args['id'] ) );
	$output .= implode( "n", $structure );
	$output .= '</select>';

	if ( $parsed_args['echo'] ) {
		echo $output;
	}

	return $output;
}

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