fix php error message
check array before action in array
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@ -677,7 +677,7 @@ if (empty($conf->global->MAIN_DISABLE_GLOBAL_WORKBOARD)) {
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$globalStatsKey = $groupElement['globalStatsKey'];
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$groupElement['globalStats'] = array();
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if (in_array($globalStatsKey, $keys))
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if (is_array($keys) && in_array($globalStatsKey, $keys))
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{
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// get key index of stats used in $includes, $classes, $keys, $icons, $titres, $links
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$keyIndex = array_search($globalStatsKey, $keys);
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