Differences

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--- v5:datetime:custom_dst [2016/04/14 01:37] – created mnewnham
+++ v5:datetime:custom_dst [2023/05/18 18:51] (current) – Deprecated dregad
@@ Line 1: / Line 1: @@
 ====== Daylight Savings Time ======
+~~NOTOC~~
+<WRAP right box>
+== Syntax ==
+  void adodb_daylight_sv(
+        array &$dateStructure,
+         bool $isGmt
+        )
+</WRAP>
-Allow you to define your own daylights savings function, adodb_daylight_sv.
+<WRAP important>
-If the function is defined (somewhere in an include), then you can correct for daylights savings.
+[[datetime_index#deprecated|Deprecated]] since ADOdb 5.22.6, and [[https://github.com/ADOdb/ADOdb/issues/970|removed in 5.23.0]].
+Use 64-bit native PHP functions instead.
-In this example, we apply daylights savings in June or July, adding one hour. This is extremely
+</WRAP>
-unrealistic as it does not take into account time-zone, geographic location, current year.
+Currently, the ADOdb date/time library has no built-in support for Daylight Savings Time, but provides a simple hook that allows you to define your own daylights savings function. The function must be called //**adodb_daylight_sv()**//, and must be accessible in the current procedure.
+-------------------------
+===== Usage =====
+In this example, we apply daylights savings in June or July, adding one hour. This is extremely unrealistic as it does not take into account time-zone, geographic location, current year.
 <code php>
-function adodb_daylight_sv(&$arr, $is_gmt)
+function adodb_daylight_sv(&$dateStructure, $isGmt)
 {
-	if ($is_gmt) return;
+    if ($isGmt)
-	$m = $arr['mon'];
+        return;
-	if ($m == 6 || $m == 7) $arr['hours'] += 1;
+    $m = $dateStructure['mon'];
+    if ($m == 6 || $m == 7)
+        $dateStructure['hours'] += 1;
 }
 </code>
@@ Line 18: / Line 32: @@
 This is only called by adodb_date() and not by adodb_mktime().
-The format of $arr is
+===== The Date Structure =====
+The format of $dateStructure is
   Array (
    [seconds] => 0