File "functions.php"
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<?php
function wpcf7_plugin_path($path = '')
{
return path_join(WPCF7_PLUGIN_DIR, trim($path, '/'));
}
function wpcf7_plugin_url($path = '')
{
$url = plugins_url($path, WPCF7_PLUGIN);
if (is_ssl() and 'http:' == substr($url, 0, 5)) {
$url = 'https:' . substr($url, 5);
}
return $url;
}
function wpcf7_upload_dir($type = false)
{
$uploads = wp_get_upload_dir();
$uploads = apply_filters('wpcf7_upload_dir', array('dir' => $uploads['basedir'], 'url' => $uploads['baseurl']));
if ('dir' == $type) {
return $uploads['dir'];
}
if ('url' == $type) {
return $uploads['url'];
}
return $uploads;
}
function wpcf7_verify_nonce($nonce, $action = 'wp_rest')
{
return wp_verify_nonce($nonce, $action);
}
function wpcf7_create_nonce($action = 'wp_rest')
{
return wp_create_nonce($action);
}
function wpcf7_array_flatten($input)
{
if (!is_array($input)) {
return array($input);
}
$output = array();
foreach ($input as $value) {
$output = array_merge($output, wpcf7_array_flatten($value));
}
return $output;
}
function wpcf7_flat_join($input)
{
$input = wpcf7_array_flatten($input);
$output = array();
foreach ((array) $input as $value) {
if (is_scalar($value)) {
$output[] = trim((string) $value);
}
}
return implode(', ', $output);
}
function wpcf7_support_html5()
{
return (bool) apply_filters('wpcf7_support_html5', true);
}
function wpcf7_support_html5_fallback()
{
return (bool) apply_filters('wpcf7_support_html5_fallback', false);
}
function wpcf7_use_really_simple_captcha()
{
return apply_filters('wpcf7_use_really_simple_captcha', WPCF7_USE_REALLY_SIMPLE_CAPTCHA);
}
function wpcf7_validate_configuration()
{
return apply_filters('wpcf7_validate_configuration', WPCF7_VALIDATE_CONFIGURATION);
}
function wpcf7_autop_or_not()
{
return (bool) apply_filters('wpcf7_autop_or_not', WPCF7_AUTOP);
}
function wpcf7_load_js()
{
return apply_filters('wpcf7_load_js', WPCF7_LOAD_JS);
}
function wpcf7_load_css()
{
return apply_filters('wpcf7_load_css', WPCF7_LOAD_CSS);
}
function wpcf7_format_atts($atts)
{
$html = '';
$prioritized_atts = array('type', 'name', 'value');
foreach ($prioritized_atts as $att) {
if (isset($atts[$att])) {
$value = trim($atts[$att]);
$html .= sprintf(' %s="%s"', $att, esc_attr($value));
unset($atts[$att]);
}
}
foreach ($atts as $key => $value) {
$key = strtolower(trim($key));
if (!preg_match('/^[a-z_:][a-z_:.0-9-]*$/', $key)) {
continue;
}
$value = trim($value);
if ('' !== $value) {
$html .= sprintf(' %s="%s"', $key, esc_attr($value));
}
}
$html = trim($html);
return $html;
}
function wpcf7_link($url, $anchor_text, $args = '')
{
$defaults = array('id' => '', 'class' => '');
$args = wp_parse_args($args, $defaults);
$args = array_intersect_key($args, $defaults);
$atts = wpcf7_format_atts($args);
$link = sprintf('<a href="%1$s"%3$s>%2$s</a>', esc_url($url), esc_html($anchor_text), $atts ? ' ' . $atts : '');
return $link;
}
function wpcf7_get_request_uri()
{
static $request_uri = '';
if (empty($request_uri)) {
$request_uri = add_query_arg(array());
}
return esc_url_raw($request_uri);
}
function wpcf7_register_post_types()
{
if (class_exists('WPCF7_ContactForm')) {
WPCF7_ContactForm::register_post_type();
return true;
} else {
return false;
}
}
function wpcf7_version($args = '')
{
$defaults = array('limit' => -1, 'only_major' => false);
$args = wp_parse_args($args, $defaults);
if ($args['only_major']) {
$args['limit'] = 2;
}
$args['limit'] = (int) $args['limit'];
$ver = WPCF7_VERSION;
$ver = strtr($ver, '_-+', '...');
$ver = preg_replace('/[^0-9.]+/', ".\$0.", $ver);
$ver = preg_replace('/[.]+/', ".", $ver);
$ver = trim($ver, '.');
$ver = explode('.', $ver);
if (-1 < $args['limit']) {
$ver = array_slice($ver, 0, $args['limit']);
}
$ver = implode('.', $ver);
return $ver;
}
function wpcf7_version_grep($version, array $input)
{
$pattern = '/^' . preg_quote((string) $version, '/') . '(?:\\.|$)/';
return preg_grep($pattern, $input);
}
function wpcf7_enctype_value($enctype)
{
$enctype = trim($enctype);
if (empty($enctype)) {
return '';
}
$valid_enctypes = array('application/x-www-form-urlencoded', 'multipart/form-data', 'text/plain');
if (in_array($enctype, $valid_enctypes)) {
return $enctype;
}
$pattern = '%^enctype="(' . implode('|', $valid_enctypes) . ')"$%';
if (preg_match($pattern, $enctype, $matches)) {
return $matches[1];
}
return '';
}
function wpcf7_rmdir_p($dir)
{
if (is_file($dir)) {
$file = $dir;
if (@unlink($file)) {
return true;
}
$stat = stat($file);
if (@chmod($file, $stat['mode'] | 0200)) {
if (@unlink($file)) {
return true;
}
@chmod($file, $stat['mode']);
}
return false;
}
if (!is_dir($dir)) {
return false;
}
if ($handle = opendir($dir)) {
while (false !== ($file = readdir($handle))) {
if ($file == "." or $file == "..") {
continue;
}
wpcf7_rmdir_p(path_join($dir, $file));
}
closedir($handle);
}
if (false !== ($files = scandir($dir)) and !array_diff($files, array('.', '..'))) {
return rmdir($dir);
}
return false;
}
function wpcf7_build_query($args, $key = '')
{
$sep = '&';
$ret = array();
foreach ((array) $args as $k => $v) {
$k = urlencode($k);
if (!empty($key)) {
$k = $key . '%5B' . $k . '%5D';
}
if (null === $v) {
continue;
} elseif (false === $v) {
$v = '0';
}
if (is_array($v) or is_object($v)) {
array_push($ret, wpcf7_build_query($v, $k));
} else {
array_push($ret, $k . '=' . urlencode($v));
}
}
return implode($sep, $ret);
}
function wpcf7_count_code_units($string)
{
static $use_mb = null;
if (is_null($use_mb)) {
$use_mb = function_exists('mb_convert_encoding');
}
if (!$use_mb) {
return false;
}
$string = (string) $string;
$string = str_replace("\r\n", "\n", $string);
$encoding = mb_detect_encoding($string, mb_detect_order(), true);
if ($encoding) {
$string = mb_convert_encoding($string, 'UTF-16', $encoding);
} else {
$string = mb_convert_encoding($string, 'UTF-16', 'UTF-8');
}
$byte_count = mb_strlen($string, '8bit');
return floor($byte_count / 2);
}
function wpcf7_is_localhost()
{
$server_name = strtolower($_SERVER['SERVER_NAME']);
return in_array($server_name, array('localhost', '127.0.0.1'));
}
function wpcf7_deprecated_function($function, $version, $replacement)
{
if (WP_DEBUG) {
if (function_exists('__')) {
trigger_error(sprintf(__('%1$s is <strong>deprecated</strong> since Contact Form 7 version %2$s! Use %3$s instead.', 'contact-form-7'), $function, $version, $replacement), E_USER_DEPRECATED);
} else {
trigger_error(sprintf('%1$s is <strong>deprecated</strong> since Contact Form 7 version %2$s! Use %3$s instead.', $function, $version, $replacement), E_USER_DEPRECATED);
}
}
}
function wpcf7_apply_filters_deprecated($tag, $args, $version, $replacement)
{
if (!has_filter($tag)) {
return $args[0];
}
if (WP_DEBUG) {
trigger_error(sprintf(__('%1$s is <strong>deprecated</strong> since Contact Form 7 version %2$s! Use %3$s instead.', 'contact-form-7'), $tag, $version, $replacement), E_USER_DEPRECATED);
}
return apply_filters_ref_array($tag, $args);
}
function wpcf7_doing_it_wrong($function, $message, $version)
{
if (WP_DEBUG) {
if (function_exists('__')) {
if ($version) {
$version = sprintf(__('(This message was added in Contact Form 7 version %s.)', 'contact-form-7'), $version);
}
trigger_error(sprintf(__('%1$s was called incorrectly. %2$s %3$s', 'contact-form-7'), $function, $message, $version), E_USER_NOTICE);
} else {
if ($version) {
$version = sprintf('(This message was added in Contact Form 7 version %s.)', $version);
}
trigger_error(sprintf('%1$s was called incorrectly. %2$s %3$s', $function, $message, $version), E_USER_NOTICE);
}
}
}
function wpcf7_log_remote_request($url, $request, $response)
{
$log = sprintf(__('HTTP Response: %1$s %2$s %3$s from %4$s', 'contact-form-7'), (int) wp_remote_retrieve_response_code($response), wp_remote_retrieve_response_message($response), wp_remote_retrieve_body($response), $url);
$log = apply_filters('wpcf7_log_remote_request', $log, $url, $request, $response);
if ($log) {
trigger_error($log);
}
}
function wpcf7_anonymize_ip_addr($ip_addr)
{
if (!function_exists('inet_ntop') or !function_exists('inet_pton')) {
return $ip_addr;
}
$packed = inet_pton($ip_addr);
if (false === $packed) {
return $ip_addr;
}
if (4 == strlen($packed)) {
$mask = '255.255.255.0';
} elseif (16 == strlen($packed)) {
$mask = 'ffff:ffff:ffff:0000:0000:0000:0000:0000';
} else {
return $ip_addr;
}
return inet_ntop($packed & inet_pton($mask));
}