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Added a new function to make a unique ID code, to be used in quiz

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questions and elsewhere

It's based on the hostname, time, random string and a supplied version string.
These are packed using '+ separators so they can easily be unpacked if
necessary.

function make_unique_id_code($version=1)
This commit is contained in:
moodler
2003-08-23 12:22:27 +00:00
parent 82ad5e1a9f
commit 280faf9ff7
1 changed files with 21 additions and 0 deletions
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lib/moodlelib.php
+21
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@@ -1685,6 +1685,27 @@ function make_grades_menu($gradingtype) {
return $grades;
}
function make_unique_id_code($version=1) {
$hostname = "unknownhost";
if (!empty($_SERVER["HTTP_HOST"])) {
$hostname = $_SERVER["HTTP_HOST"];
} else if (!empty($_ENV["HTTP_HOST"])) {
$hostname = $_ENV["HTTP_HOST"];
} else if (!empty($_SERVER["SERVER_NAME"])) {
$hostname = $_SERVER["SERVER_NAME"];
} else if (!empty($_ENV["SERVER_NAME"])) {
$hostname = $_ENV["SERVER_NAME"];
}
$date = date("ymdHis");
$random = random_string(6);
return "$hostname+$date+$random+$version";
}
// vim:autoindent:expandtab:shiftwidth=4:tabstop=4:tw=140:
?>