Current File : /var/www/arphotolab.eco-n-tech.co.uk/wp-content/plugins/polylang/include/language.php
<?php
/**
* @package Polylang
*/
/**
* A language object is made of two terms in 'language' and 'term_language' taxonomies.
* Manipulating only one object per language instead of two terms should make things easier.
*
* @since 1.2
*/
class PLL_Language {
/**
* Id of the term in 'language' taxonomy.
*
* @var int
*/
public $term_id;
/**
* Language name. Ex: English.
*
* @var string
*/
public $name;
/**
* Language code used in url. Ex: en.
*
* @var string
*/
public $slug;
/**
* Order of the language when displayed in a list of languages.
*
* @var int
*/
public $term_group;
/**
* Term taxonomy id in 'language' taxonomy.
*
* @var int
*/
public $term_taxonomy_id;
/**
* Number of posts and pages in that language.
*
* @var int
*/
public $count;
/**
* Id of the term in 'term_language' taxonomy.
*
* @var int
*/
public $tl_term_id;
/**
* Term taxonomy id in 'term_language' taxonomy.
*
* @var int
*/
public $tl_term_taxonomy_id;
/**
* Number of terms in that language.
*
* @var int
*/
public $tl_count;
/**
* WordPress language locale. Ex: en_US.
*
* @var string
*/
public $locale;
/**
* 1 if the language is rtl, 0 otherwise.
*
* @var int
*/
public $is_rtl;
/**
* W3C locale.
*
* @var string.
*/
public $w3c;
/**
* Facebook locale.
*
* @var string.
*/
public $facebook;
/**
* Home url in this language.
*
* @var string
*/
public $home_url;
/**
* Home url to use in search forms.
*
* @var string
*/
public $search_url;
/**
* Host corresponding to this language.
*
* @var string
*/
public $host;
/**
* Id of the post storing strings translations.
*
* @var int
*/
public $mo_id;
/**
* Id of the page on front in this language ( set from pll_languages_list filter ).
*
* @var int
*/
public $page_on_front;
/**
* Id of the page for posts in this language ( set from pll_languages_list filter ).
*
* @var int
*/
public $page_for_posts;
/**
* Code of the flag.
*
* @var string
*/
public $flag_code;
/**
* Url of the flag.
*
* @var string
*/
public $flag_url;
/**
* Html markup of the flag.
*
* @var string
*/
public $flag;
/**
* Url of the custom flag if it exists.
*
* @var string
*/
public $custom_flag_url;
/**
* Html markup of the custom flag if it exists.
*
* @var string
*/
public $custom_flag;
/**
* Constructor: builds a language object given its two corresponding terms in 'language' and 'term_language' taxonomies.
*
* @since 1.2
*
* @param WP_Term|array $language Term in 'language' taxonomy or language object properties stored as an array.
* @param WP_Term $term_language Corresponding 'term_language' term.
*/
public function __construct( $language, $term_language = null ) {
if ( empty( $term_language ) ) {
// Build the object from all properties stored as an array.
foreach ( $language as $prop => $value ) {
$this->$prop = $value;
}
} else {
// Build the object from taxonomy terms.
$this->term_id = (int) $language->term_id;
$this->name = $language->name;
$this->slug = $language->slug;
$this->term_group = (int) $language->term_group;
$this->term_taxonomy_id = (int) $language->term_taxonomy_id;
$this->count = (int) $language->count;
$this->tl_term_id = (int) $term_language->term_id;
$this->tl_term_taxonomy_id = (int) $term_language->term_taxonomy_id;
$this->tl_count = (int) $term_language->count;
// The description field can contain any property.
$description = maybe_unserialize( $language->description );
foreach ( $description as $prop => $value ) {
'rtl' == $prop ? $this->is_rtl = $value : $this->$prop = $value;
}
$this->mo_id = PLL_MO::get_id( $this );
$languages = include POLYLANG_DIR . '/settings/languages.php';
$this->w3c = isset( $languages[ $this->locale ]['w3c'] ) ? $languages[ $this->locale ]['w3c'] : str_replace( '_', '-', $this->locale );
if ( isset( $languages[ $this->locale ]['facebook'] ) ) {
$this->facebook = $languages[ $this->locale ]['facebook'];
}
}
}
/**
* Get the flag informations:
*
* @since 2.6
*
* @param string $code Flag code.
* @return array {
* Flag informations.
*
* @type string $url Flag url.
* @type string $src Optional, src attribute value if different of the url, for example if base64 encoded.
* @type int $width Optional, flag width in pixels.
* @type int $height Optional, flag height in pixels.
* }
*/
public static function get_flag_informations( $code ) {
$flag = array( 'url' => '' );
// Polylang builtin flags.
if ( ! empty( $code ) && file_exists( POLYLANG_DIR . ( $file = '/flags/' . $code . '.png' ) ) ) {
$flag['url'] = plugins_url( $file, POLYLANG_FILE );
// If base64 encoded flags are preferred.
if ( ! defined( 'PLL_ENCODED_FLAGS' ) || PLL_ENCODED_FLAGS ) {
list( $flag['width'], $flag['height'] ) = getimagesize( POLYLANG_DIR . $file );
$file_contents = file_get_contents( POLYLANG_DIR . $file ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
$flag['src'] = 'data:image/png;base64,' . base64_encode( $file_contents ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
}
}
/**
* Filters flag informations:
*
* @since 2.4
*
* @param array $flag {
* Information about the flag.
*
* @type string $url Flag url.
* @type string $src Optional, src attribute value if different of the url, for example if base64 encoded.
* @type int $width Optional, flag width in pixels.
* @type int $height Optional, flag height in pixels.
* }
* @param string $code Flag code.
*/
$flag = apply_filters( 'pll_flag', $flag, $code );
$flag['url'] = esc_url_raw( $flag['url'] );
if ( empty( $flag['src'] ) ) {
$flag['src'] = esc_url( set_url_scheme( $flag['url'], 'relative' ) );
}
return $flag;
}
/**
* Sets flag_url and flag properties.
*
* @since 1.2
*
* @return void
*/
public function set_flag() {
$flags = array( 'flag' => self::get_flag_informations( $this->flag_code ) );
// Custom flags?
$directories = array(
PLL_LOCAL_DIR,
get_stylesheet_directory() . '/polylang',
get_template_directory() . '/polylang',
);
foreach ( $directories as $dir ) {
if ( file_exists( $file = "{$dir}/{$this->locale}.png" ) || file_exists( $file = "{$dir}/{$this->locale}.jpg" ) || file_exists( $file = "{$dir}/{$this->locale}.svg" ) ) {
$flags['custom_flag']['url'] = content_url( '/' . str_replace( WP_CONTENT_DIR, '', $file ) );
break;
}
}
/**
* Filters the custom flag informations.
*
* @param array $flag {
* Information about the custom flag.
*
* @type string $url Flag url.
* @type string $src Optional, src attribute value if different of the url, for example if base64 encoded.
* @type int $width Optional, flag width in pixels.
* @type int $height Optional, flag height in pixels.
* }
* @param string $code Flag code.
*
* @since 2.4
*/
$flags['custom_flag'] = apply_filters( 'pll_custom_flag', empty( $flags['custom_flag'] ) ? null : $flags['custom_flag'], $this->flag_code );
if ( ! empty( $flags['custom_flag']['url'] ) ) {
if ( empty( $flags['custom_flag']['src'] ) ) {
$flags['custom_flag']['src'] = esc_url( set_url_scheme( $flags['custom_flag']['url'], 'relative' ) );
}
$flags['custom_flag']['url'] = esc_url_raw( $flags['custom_flag']['url'] );
} else {
unset( $flags['custom_flag'] );
}
/**
* Filters the flag title attribute.
* Defaults to the language name.
*
* @since 0.7
*
* @param string $title The flag title attribute.
* @param string $slug The language code.
* @param string $locale The language locale.
*/
$title = apply_filters( 'pll_flag_title', $this->name, $this->slug, $this->locale );
foreach ( $flags as $key => $flag ) {
$this->{$key . '_url'} = empty( $flag['url'] ) ? '' : $flag['url'];
/**
* Filters the html markup of a flag.
*
* @since 1.0.2
*
* @param string $flag Html markup of the flag or empty string.
* @param string $slug Language code.
*/
$this->{$key} = apply_filters(
'pll_get_flag',
self::get_flag_html( $flag, $title, $this->name ),
$this->slug
);
}
}
/**
* Get HTML code for flag.
*
* @since 2.7
*
* @param array $flag Flag properties: src, width and height.
* @param string $title Optional title attribute.
* @param string $alt Optional alt attribute.
* @return string
*/
public static function get_flag_html( $flag, $title = '', $alt = '' ) {
if ( empty( $flag['src'] ) ) {
return '';
}
$alt_attr = empty( $alt ) ? '' : sprintf( ' alt="%s"', esc_attr( $alt ) );
$width_attr = empty( $flag['width'] ) ? '' : sprintf( ' width="%s"', (int) $flag['width'] );
$height_attr = empty( $flag['height'] ) ? '' : sprintf( ' height="%s"', (int) $flag['height'] );
$style = '';
$sizes = array_intersect_key( $flag, array_flip( array( 'width', 'height' ) ) );
if ( ! empty( $sizes ) ) {
array_walk(
$sizes,
function ( &$value, $key ) {
$value = sprintf( '%s: %dpx;', esc_attr( $key ), (int) $value );
}
);
$style = sprintf( ' style="%s"', implode( ' ', $sizes ) );
}
return sprintf(
'<img src="%s"%s%s%s%s />',
$flag['src'],
$alt_attr,
$width_attr,
$height_attr,
$style
);
}
/**
* Returns the html of the custom flag if any, or the default flag otherwise.
*
* @since 2.8
*
* @return string
*/
public function get_display_flag() {
return empty( $this->custom_flag ) ? $this->flag : $this->custom_flag;
}
/**
* Returns the url of the custom flag if any, or the default flag otherwise.
*
* @since 2.8
*
* @return string
*/
public function get_display_flag_url() {
return empty( $this->custom_flag_url ) ? $this->flag_url : $this->custom_flag_url;
}
/**
* Updates post and term count.
*
* @since 1.2
*
* @return void
*/
public function update_count() {
wp_update_term_count( $this->term_taxonomy_id, 'language' ); // Posts count.
wp_update_term_count( $this->tl_term_taxonomy_id, 'term_language' ); // Terms count.
}
/**
* Set home_url and search_url properties.
*
* @since 1.3
*
* @param string $search_url Home url to use in search forms.
* @param string $home_url Home url.
* @return void
*/
public function set_home_url( $search_url, $home_url ) {
$this->search_url = $search_url;
$this->home_url = $home_url;
}
/**
* Sets the scheme of the home url and the flag urls.
*
* This can't be cached across pages.
*
* @since 2.8
*
* @return void
*/
public function set_url_scheme() {
$this->home_url = set_url_scheme( $this->home_url );
$this->search_url = set_url_scheme( $this->search_url );
// Set url scheme, also for the flags.
$this->flag_url = set_url_scheme( $this->flag_url );
if ( ! empty( $this->custom_flag_url ) ) {
$this->custom_flag_url = set_url_scheme( $this->custom_flag_url );
}
}
/**
* Returns the language locale.
* Converts WP locales to W3C valid locales for display.
*
* @since 1.8
*
* @param string $filter Either 'display' or 'raw', defaults to raw.
* @return string
*/
public function get_locale( $filter = 'raw' ) {
return 'display' === $filter ? $this->w3c : $this->locale;
}
}
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