From 99431bd990b3950d7578ff67a4da0abf96e4001c Mon Sep 17 00:00:00 2001
From: "Namhyeon, Go" <gnh1201@gmail.com>
Date: Mon, 8 Apr 2019 00:06:43 +0900
Subject: [PATCH] Update database.php

---
 system/database.php | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/system/database.php b/system/database.php
index 99717b3..111887f 100644
--- a/system/database.php
+++ b/system/database.php
@@ -79,6 +79,33 @@ if(!check_function_exists("get_dbc_object")) {
 	}
 }
 
+
+// 2018-08-19: support lower php version (not supported anonymous function)
+if(!function_exists("compare_db_key_length")) {
+	function compare_db_key_length($a, $b) {
+		return strlen($b) - strlen($a);
+	}
+}
+
+if(!function_exists("get_db_binded_sql")) {
+	function get_db_binded_sql($sql, $bind) {
+		if(count($bind) > 0) {
+			$bind_keys = array_keys($bind);
+
+			// 2018-08-19: support lower php version (not supported anonymous function)
+			usort($bind_keys, "compare_db_key_length");
+
+			foreach($bind_keys as $k) {
+				$sql = str_replace(":" . $k, "'" . addslashes($bind[$k]) . "'", $sql);
+			}
+		}
+
+		return $sql;
+	}
+}
+
+/*
+// todo: the new parameter binding method
 if(!check_function_exists("get_db_binded_param")) {
 	function get_db_binded_param($exp, $bind) {
 		foreach($bind as $k=>$v) {
@@ -107,6 +134,7 @@ if(!check_function_exists("get_db_binded_sql")) {
 		return $binded_sql;
 	}
 }
+*/
 
 if(!check_function_exists("get_db_stmt")) {
 	function get_db_stmt($sql, $bind=array(), $bind_pdo=false, $show_sql=false) {