Get translation from MultilingualPress

MultilingualPress-translations-example.php

<?php
add_action( 'wp_footer', function() {

	$mlp_language_api = apply_filters( 'mlp_language_api', NULL );

	if ( is_a( $mlp_language_api, 'Mlp_Language_Api_Interface' ) ) {

		$args = [
			'site_id'              => get_current_blog_id(),
			'content_id'           => get_queried_object_id(),
			'type'                 => 'post',
			'strict'               => TRUE,
			'search_term'          => '',
			'post_type'            => 'page',
			'include_base'         => TRUE
		];

		//** @var Mlp_Language_Api_Interface $mlp_language_api
		$translations = $mlp_language_api->get_translations( $args );

		print '<pre>' . print_r( $translations, 1 ) . '</pre>';
	}
});