';
$html .= PHP_EOL;
// Create meta generator
$html .= '';
$html .= PHP_EOL;
// Create alternate link for website language
$html .= '';
$html .= PHP_EOL;
// Create alternate link for each target languages
foreach ( $languages_target as $language_target ) {
$url = wplng_get_url_current_for_language( $language_target['id'] );
$html .= '';
$html .= PHP_EOL;
}
// Create the ending comment
$html .= '' . PHP_EOL . PHP_EOL;
echo $html;
}
/**
* Get wpLingua excluded selectors
*
* @return array
*/
function wplng_get_selector_exclude() {
$selector_exclude = array();
// Get, check and sanitize excluded selector as string
$option = get_option( 'wplng_excluded_selectors' );
if ( empty( $option ) || ! is_string( $option ) ) {
wplng_data_excluded_selector_default();
}
$option = sanitize_textarea_field( $option );
// Get exclude selector as array
$option = explode( PHP_EOL, $option );
// Sanitize each selectors
foreach ( $option as $selector ) {
$selector = esc_attr( trim( $selector ) );
if ( ! empty( $selector ) ) {
$selector_exclude[] = $selector;
}
}
// Add default selectors
$selector_exclude = array_merge(
wplng_data_excluded_selector_default(), // Make HTML parsed smaller
$selector_exclude
);
// Remove duplicate
$selector_exclude = array_unique( $selector_exclude );
// Apply wplng_selector_exclude filters
$selector_exclude = apply_filters(
'wplng_selector_exclude',
$selector_exclude
);
return $selector_exclude;
}
/**
* Replace all excluded elements by empty tags with wplng-tag-exclude attribute
*
* @param string $html
* @param array $excluded_elements
* @return string HTML
*/
function wplng_html_set_exclude_tag( $html, &$excluded_elements ) {
$selector_exclude = wplng_get_selector_exclude();
if ( empty( $selector_exclude ) ) {
return $html;
}
$dom = wplng_sdh_str_get_html( $html );
if ( false === $dom ) {
return $html;
}
foreach ( $selector_exclude as $selector ) {
foreach ( $dom->find( $selector ) as $element ) {
$excluded_elements[] = $element->outertext;
$attr = count( $excluded_elements ) - 1;
$element->outertext = '';
}
}
$dom->save();
return (string) wplng_sdh_str_get_html( $dom );
}
/**
* Replace all tags with wplng-tag-exclude attribute by value in $excluded_elements
*
* @param string $html
* @param array $excluded_elements
* @return string
*/
function wplng_html_replace_exclude_tag( $html, $excluded_elements ) {
if ( empty( $excluded_elements ) ) {
return $html;
}
$dom = wplng_sdh_str_get_html( $html );
if ( false === $dom ) {
return $html;
}
foreach ( $dom->find( '[wplng-tag-exclude]' ) as $element ) {
if ( isset( $element->attr['wplng-tag-exclude'] ) ) {
$exclude_index = (int) $element->attr['wplng-tag-exclude'];
if ( isset( $excluded_elements[ $exclude_index ] ) ) {
$element->outertext = $excluded_elements[ $exclude_index ];
}
}
}
$dom->save();
return (string) wplng_sdh_str_get_html( $dom );
}
/**
* wpLingua init function
*
* @return void
*/
function wplng_ob_start() {
if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
ob_start( 'wplng_ob_callback_ajax' );
return;
}
if ( wplng_get_language_website_id() === wplng_get_language_current_id() ) {
return;
}
global $wplng_request_uri;
$current_path = $wplng_request_uri;
if ( ! is_string( $current_path ) ) {
return;
}
$origin_path = '/' . substr( $current_path, 4, strlen( $current_path ) - 1 );
$origin_path = sanitize_url( $origin_path );
if ( ! wplng_url_is_translatable( $origin_path ) ) {
wp_redirect( $origin_path );
exit;
}
$_SERVER['REQUEST_URI'] = $origin_path;
if ( current_user_can( 'edit_posts' ) ) {
if ( isset( $_GET['wplingua-editor'] ) ) {
ob_start( 'wplng_ob_callback_editor' );
} elseif ( isset( $_GET['wplingua-list'] ) ) {
add_filter(
'body_class', function( $classes ) {
return array_merge( $classes, array( 'wplingua-list' ) );
}
);
ob_start( 'wplng_ob_callback_list' );
} else {
add_filter(
'body_class', function( $classes ) {
return array_merge( $classes, array( 'wplingua-editor' ) );
}
);
ob_start( 'wplng_ob_callback_translate' );
}
} else {
ob_start( 'wplng_ob_callback_translate' );
}
}