Is PHP variable value case sensitive
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A website I develop currently have a section that allows users to name things, but I don't want they give any names to anything. So I restrict words which they could use. My current code look like this:

$given_name = trim($_POST['given_name']);$reserve = array( ....... "demo" => "demo", "Demo" => "Demo", "example" => "example", "Example" => "Example", .......);if (in_array($given_name,$reserve)) { die(msg(0,"[... Code (markup):

Is PHP variable value case sensitive

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