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PHTML

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