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<?PHP?><?
//
// Simple PHP JSON/P Echo - "Cowboy" Ben Alman - http://benalman.com/
// v1.0 - 2/20/2009
//
// Show script source if no params are passed
if (count($_GET) == 0) {
highlight_file($_SERVER['SCRIPT_FILENAME']);
die;
}
// Get request params
$obj = array();
foreach ($_GET as $key => $value) {
$obj[$key] = $value;
}
foreach ($_POST as $key => $value) {
$obj[$key] = $value;
}
$json_string = isset($obj['JSON']) ? $obj['JSON'] : null;
$jsonp_callback = isset($obj['callback']) ? $obj['callback'] : null;
// remove misc unneeded params
unset($obj['_']);
unset($obj['callback']);
unset($obj['JSON']);
$json = $json_string ? $json_string : json_encode($obj);
$jsonp = $jsonp_callback ? $jsonp_callback . "($json)" : $json;
sleep(1); // simulate slow connection :D
$is_xhr = isset($_SERVER['HTTP_X_REQUESTED_WITH']) &&
strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest';
$is_referer = isset($_SERVER["HTTP_REFERER"]);
if ($is_xhr) {
header( 'Content-type: application/json' );
print $jsonp;
} else if ($is_referer) {
$params = array();
foreach ($obj as $key => $value) {
$params[] = urlencode($key) . '=' . urlencode($value);
}
$url = preg_replace('/\?.*$/', '', $_SERVER["HTTP_REFERER"]);
$url .= '?' . implode('&', $params);
header( "Location: $url");
} else {
header( 'Content-type: text/plain' );
print $jsonp;
}
?>
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