function wpcf7_ajax_json_echo()
{
global $wpcf7_contact_form;
$echo = '';
if (isset($_POST['_wpcf7'])) {
$id = (int) $_POST['_wpcf7'];
$unit_tag = $_POST['_wpcf7_unit_tag'];
if ($wpcf7_contact_form = wpcf7_contact_form($id)) {
$validation = $wpcf7_contact_form->validate();
$items = array('mailSent' => false, 'into' => '#' . $unit_tag, 'captcha' => null);
$items = apply_filters('wpcf7_ajax_json_echo', $items);
if (!$validation['valid']) {
// Validation error occured
$invalids = array();
foreach ($validation['reason'] as $name => $reason) {
$invalids[] = array('into' => 'span.wpcf7-form-control-wrap.' . $name, 'message' => $reason);
}
$items['message'] = $wpcf7_contact_form->message('validation_error');
$items['invalids'] = $invalids;
} elseif (!$wpcf7_contact_form->accepted()) {
// Not accepted terms
$items['message'] = $wpcf7_contact_form->message('accept_terms');
} elseif ($wpcf7_contact_form->akismet()) {
// Spam!
$items['message'] = $wpcf7_contact_form->message('akismet_says_spam');
$items['spam'] = true;
} elseif ($wpcf7_contact_form->mail()) {
$items['mailSent'] = true;
$items['message'] = $wpcf7_contact_form->message('mail_sent_ok');
$on_sent_ok = $wpcf7_contact_form->additional_setting('on_sent_ok', false);
if (!empty($on_sent_ok)) {
$on_sent_ok = array_map('wpcf7_strip_quote', $on_sent_ok);
} else {
$on_sent_ok = null;
}
$items['onSentOk'] = $on_sent_ok;
do_action_ref_array('wpcf7_mail_sent', array(&$wpcf7_contact_form));
} else {
$items['message'] = $wpcf7_contact_form->message('mail_sent_ng');
}
// remove upload files
foreach ((array) $wpcf7_contact_form->uploaded_files as $name => $path) {
@unlink($path);
}
$wpcf7_contact_form = null;
}
}
$echo = wpcf7_json($items);
if ($_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') {
@header('Content-Type: application/json; charset=' . get_option('blog_charset'));
echo $echo;
} else {
@header('Content-Type: text/html; charset=' . get_option('blog_charset'));
echo '<textarea>' . $echo . '</textarea>';
}
}
function wpcf7_json($items)
{
if (is_array($items)) {
if (empty($items)) {
return 'null';
}
$keys = array_keys($items);
$all_int = true;
foreach ($keys as $key) {
if (!is_int($key)) {
$all_int = false;
break;
}
}
if ($all_int) {
$children = array();
foreach ($items as $item) {
$children[] = wpcf7_json($item);
}
return '[' . join(', ', $children) . ']';
} else {
// Object
$children = array();
foreach ($items as $key => $item) {
$key = esc_js((string) $key);
if (preg_match('/[^a-zA-Z]/', $key)) {
$key = '"' . $key . '"';
}
$children[] = $key . ': ' . wpcf7_json($item);
}
return '{ ' . join(', ', $children) . ' }';
}
} elseif (is_numeric($items)) {
return (string) $items;
} elseif (is_bool($items)) {
return $items ? '1' : '0';
} elseif (is_null($items)) {
return 'null';
} else {
return '"' . esc_js((string) $items) . '"';
}
}
