create-polylang-translated-posts.php

<?php

function copy_post( $post_id ) {
	if ( function_exists( 'PLL' ) ) {
		$model 			= PLL()->model;
		$post 			= get_post( $post_id );
		$post->ID 		= null;
		$translations 	= pll_get_post_translations( $post_id );
		foreach ( $model->get_languages_list() as $language ) {
			$tr_id = pll_get_post( $post_id, $language );
			if ( empty( $tr_id ) ) {
				$tr_id = wp_insert_post( $post );
				pll_set_post_language( $tr_id, $language );
				pll_save_post_translations( $translations );
				PLL()->sync->post_metas->copy( $post_id, $tr_id, $language );
			}
		}
	}
}
?>