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<?php
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/**
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* Gibt zwischengespeicherte Fehlermeldungen zurück und löscht den Zwischenspeicher
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*
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* @return string
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*/
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function msg()
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{
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if (!isset($_SESSION['msg'])) {
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return '';
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}
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$msg = $_SESSION['msg'];
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$_SESSION['msg'] = '';
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return $msg;
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}
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/**
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* Rendert eine Information
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*
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* @param string $msg
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* @param bool $immediately
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* @return string
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*/
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function info($msg, $immediately = false)
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{
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return alert('info', $msg, $immediately);
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}
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/**
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* Rendert eine Fehlermeldung
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*
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* @param string $msg
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* @param bool $immediately
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* @return string
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*/
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function error($msg, $immediately = false)
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{
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return alert('danger', $msg, $immediately);
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}
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/**
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* Rendert eine Erfolgsmeldung
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*
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* @param string $msg
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* @param bool $immediately
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* @return string
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*/
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function success($msg, $immediately = false)
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{
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return alert('success', $msg, $immediately);
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}
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/**
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* Renders an alert with given alert-* class.
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*
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* @param string $class
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* @param string $msg
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* @param bool $immediately
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* @return string|null
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*/
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function alert($class, $msg, $immediately = false)
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{
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if ($immediately) {
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if ($msg == '') {
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return '';
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}
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return '<div class="alert alert-' . $class . '">' . $msg . '</div>';
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}
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if (!isset($_SESSION['msg'])) {
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$_SESSION['msg'] = '';
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}
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$_SESSION['msg'] .= alert($class, $msg, true);
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return null;
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}
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