backup.txt

// $args = array(
// 	'auth_key'    => omniglot_get_deepl_api_key(),
// 	'text'        => 'Hello World',
// 	'source_lang' => 'EN',
// 	'target_lang' => 'FR',
// );

// // $deeplUrl = 'https://api.deepl.com/v2/translate?auth_key='.$auth_key.'&text='.$str.'&source_lang='.$sourceLanguage.'&target_lang='.$targetLanguage.'&tag_handling=xml&split_sentences=1';
// $url = 'https://api.deepl.com/v2/translate';

// $query = add_query_arg( $args, $url );

// $response = wp_remote_post( $query );
// $body = wp_remote_retrieve_body( $response );

preg_match_all( '/<img[^>]+>/i', $content, $images );

		foreach ( $images[0] as $image ) {
			$doc = new DOMDocument();
			$doc->loadHTML( $image );

			$tags      = $doc->getElementsByTagName( 'img' );
			$tag       = $tags->item( 0 );
			$old_title = $tag->getAttribute( 'title' );
			$old_alt   = $tag->getAttribute( 'alt' );
			$new_alt   = omniglot_translate_text( $old_alt, $source_lang, $target_lang );
			$new_title = omniglot_translate_text( $old_title, $source_lang, $target_lang );

			$tag->setAttribute( 'title', $new_title );
			$tag->setAttribute( 'alt', $new_alt );

			$secure_img = $doc->saveHTML( $tag );
			$content    = str_replace( $image, $secure_img, $content );
		}

		return $content;

$doc = new DOMDocument();
$doc->loadHTML( '<?xml encoding="UTF-8">' . $content );

$tags = $doc->getElementsByTagName( 'a' );

foreach ( $tags as $tag ) {
	$old_title = $tag->getAttribute( 'title' );
	$new_title = $this->translate( $old_title, $source_lang, $target_lang );
	$tag->setAttribute( 'title', $new_title );
}

$doc->encoding = 'UTF-8';

return $doc->saveHTML();




<?php

$omniglot_translator = new Omniglot_Translator();

$post_id    = 9;
try {
	$translated = $omniglot_translator->translate_post( $post_id, 'EN', 'FR' );
	echo '<pre>';
	print_r( $translated );
	echo '</pre>';
} catch ( Exception $e ) {
	echo esc_html( $e->getMessage() );
}
?>
<textarea name="" id="" cols="100" rows="10"><?php // echo esc_html( $translated['translated_post_title'] ); ?></textarea>
<textarea name="" id="" cols="100" rows="10"><?php // echo esc_html( $translated['translated_post_name'] ); ?></textarea>
<textarea name="" id="" cols="100" rows="10"><?php // echo esc_html( $translated['translated_post_content'] ); ?></textarea>
<?php

$post_to_be_translated = get_post( $post_id );
// $post_content = $post_to_be_translated->post_content;
// $post_content          = apply_filters( 'the_content', $post_to_be_translated->post_content );
$post_content = 'This is actually why a lot of people choose WordPress to <a title="Ultimate Guide: How to Start a WordPress Blog (Step by Step)" href="https://www.wpbeginner.com/start-a-wordpress-blog/">start a blog</a> or website. <img src="https://deepl.dev/wp-content/uploads/2019/08/teetime.png" alt="This is the datasheet" title="This is the image">';

// $omniglot_translator = new Omniglot_Translator();

// $translated = $omniglot_translator->translate( $post_content, 'EN', 'FR' );

// echo $translated;
?>
<textarea name="" id="" cols="100" rows="10"><?php // echo esc_html( $translated ); ?></textarea>
<?php

// $body = $omniglot_translator->get_translated_attributes( $post_content, 'EN', 'FR' );

// echo $body;

// $post = get_post( 1 );
?>
<!-- <textarea name="" id="" cols="100" rows="10"><?php // echo esc_html( $post->post_content ); ?></textarea> -->



public function get_translated_attributes( $content ) {
	$dom = new DOMDocument();
	$dom->loadHTML( $content );
	// $dom->loadHTML( mb_convert_encoding( $content, 'HTML-ENTITIES', 'UTF-8' ), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD );

	$translatable_tags = omniglot_tags_n_atts_to_be_translated();

	foreach ( $translatable_tags as $translatable_tag => $attributes ) {
		$tags_in_content = $dom->getElementsByTagName( $translatable_tag );

		foreach ( $tags_in_content as $tag ) {
			foreach ( $attributes as $attribute ) {
				$old_value = $tag->getAttribute( $attribute );

				if ( ! $old_value ) {
					continue;
				}

				$before_translated_tag = $dom->saveHTML( $tag );

				$new_value = $this->get_translated( $old_value );

				$tag->setAttribute( $attribute, $new_value );

				$translated_tag = $dom->saveHTML( $tag );

				$content = str_replace(
					$before_translated_tag,
					$translated_tag,
					$content
				);
			}
		}
	}

	return $content;
}

try {
	$translator = new Omniglot_Translator();
	$translator->set_source_lang( 'auto' );
	$translator->set_target_lang( 'FR' );
	// $translator->set_translate_slug( true );

	// $post_content = 'hello world <a href="https://google.com">create website</a>. Let me <a href="https://facebook.com" title="hello shamim">show</a> you. <a href="https://twitter.com" title="hello shamim">show</a> you.';
	// $post_content .= '<img alt="this-is-the-image-alt" title="This is the image title">';
	// $post_content = 'This is actually why a lot of people choose WordPress to <a title="Ultimate Guide: How to Start a WordPress Blog (Step by Step)" href="https://www.wpbeginner.com/start-a-wordpress-blog/">start a blog</a> or website. <img src="https://deepl.dev/wp-content/uploads/2019/08/teetime.png" alt="This is the datasheet" title="This is the image">';

	$translated = $translator->get_translated_post( 9 );

	// $translated   = $translator->translate( $post_content, 'EN', 'FR' );
	// $translated = $translator->get_translated_attributes( $post_content );

	echo '<pre>';
	print_r( $translated );
	echo '</pre>';

	// echo $translated;
} catch ( Exception $e ) {
	echo $e->getMessage();
}