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<?php
# global functions
function validate_get($value, $type) {
switch($type) {
case 'host':
if (!preg_match('/^[\d\w\W]+$/u', $value))
return NULL;
break;
case 'plugin':
case 'type':
if (!preg_match('/^\w+$/u', $value))
return NULL;
break;
case 'pinstance':
case 'tinstance':
if (!preg_match('/^[\d\w-]+$/u', $value))
return NULL;
break;
}
return $value;
}
function crc32hex($str) {
return sprintf("%x",crc32($str));
}
function error_image() {
header("Content-Type: image/png");
readfile('layout/error.png');
exit;
}
?>
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