Code Duplication    Length = 4-4 lines in 3 locations

main/wiki/wiki.inc.php 3 locations

@@ 3634-3637 (lines=4) @@
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            api_not_allowed();
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        }
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        if (!$_GET['title']) {
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            Display::addFlash(
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                Display::return_message(
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                    get_lang("MustSelectPage"),
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                    'error',
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                    false
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                )
@@ 5432-5435 (lines=4) @@
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        $groupfilter = $this->groupfilter;
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        $condition_session = $this->condition_session;
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        if (!$_GET['title']) {
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            Display::addFlash(
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                Display::return_message(
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                    get_lang('MustSelectPage'),
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                    'error',
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                    false
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                )
@@ 5857-5860 (lines=4) @@
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        $session_id = $this->session_id;
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        $userId = api_get_user_id();
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        if (!$_GET['title']) {
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            Display::addFlash(
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                Display::return_message(
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                    get_lang("MustSelectPage"),
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                    'error',
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                    false
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                )