first commit

wp-content/plugins/wpml-string-translation/classes/db-mappers/StringTranslations.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace WPML\ST\DB\Mappers;
+
+use function WPML\FP\curryN;
+
+class StringTranslations {
+	/**
+	 * @param  \wpdb  $wpdb
+	 * @param  int    $stringId
+	 * @param  string $language
+	 *
+	 * @return callable|bool
+	 */
+	public static function hasTranslation( $wpdb = null, $stringId = null, $language = null ) {
+		$has = function ( \wpdb $wpdb, $stringId, $language ) {
+			$sql = "SELECT COUNT(id) FROM {$wpdb->prefix}icl_string_translations WHERE string_id = %d AND language = %s";
+
+			return $wpdb->get_var( $wpdb->prepare( $sql, $stringId, $language ) ) > 0;
+		};
+
+		return call_user_func_array( curryN( 3, $has ), func_get_args() );
+	}
+
+}