From 302d0cbad060176de114181a63a3a6d98d05fc26 Mon Sep 17 00:00:00 2001
From: Victor Westerlund <victor.vesterlund@gmail.com>
Date: Tue, 30 May 2023 12:55:56 +0200
Subject: [PATCH] feat: add static col and val constructors (#3)

---
 src/SQLite.php | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/SQLite.php b/src/SQLite.php
index 93946f6..6e9653a 100644
--- a/src/SQLite.php
+++ b/src/SQLite.php
@@ -59,6 +59,27 @@
 
 		/* ---- */
 
+		// Create comma separated list (CSV) from array
+		private static function csv(array $values): string {
+			return implode(",", $values);
+		}
+
+		// Create CSV from columns
+		public static function columns(array|string $columns): string {
+			return is_array($columns) 
+				? (__CLASS__)::csv($columns)
+				: $columns;
+		}
+
+		// Return CSV of '?' for use with prepared statements
+		public static function values(array|string $values): string {
+			return is_array($values) 
+				? (__CLASS__)::csv(array_fill(0, count($values), "?"))
+				: "?";
+		}
+
+		/* ---- */
+
 		// Get result as column indexed array
 		public function return_array(string $query, mixed $values = []): array {
 			$result = $this->run_query($query, $values);