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series.php: fix Undefined array key PHP warning

Clarissa Walker authored on 2026/09/04 14:11:19
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@@ -23,7 +23,7 @@
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 //Begin basic page setup
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 $current = "series";
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-if($_GET['action'] == "add" || $_GET['action'] == "edit") $displayform = 1;
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+if((isset($_GET['action']))== "add" || (isset($_GET['action'])) == "edit") $displayform = 1;
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 include ("header.php");
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 //make a new TemplatePower object