From 2f139f65da2e400350031bdbbeb44aa7ceeb66d8 Mon Sep 17 00:00:00 2001
From: Janusz Dobrowolski <janusz@frontaccounting.eu>
Date: Tue, 18 Mar 2008 14:40:15 +0000
Subject: [PATCH] Helper function for searching indexed submit POST vars

---
 includes/ui/ui_input.inc | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/includes/ui/ui_input.inc b/includes/ui/ui_input.inc
index 0831e610..2a51d80f 100644
--- a/includes/ui/ui_input.inc
+++ b/includes/ui/ui_input.inc
@@ -1,5 +1,25 @@
 <?php
 
+//------------------------------------------------------------------------------
+//    Seek for _POST variable with $prefix.
+//    If var is found returns variable name with prefix stripped,
+//    and null or -1 otherwise.
+//
+function find_submit($prefix, $numeric=true) {
+
+    foreach($_POST as $postkey=>$postval ) {
+	if (strpos($postkey, $prefix) === 0) {
+		$id = substr($postkey, strlen($prefix));
+		return $numeric ? (int)$id : $id;
+	}
+    }
+    return $numeric ? -1 : null;
+}
+
+//------------------------------------------------------------------------------
+//
+//	Read numeric value from user formatted input
+//
 function input_num($postname=null) {
 	if (!isset($_POST[$postname])) 
 	  return null;
-- 
2.30.2