0 ? intval($post_id) : 0;
if (!$post_id) {
//No post ID was provided, look it up
global $post;
if (isset($post) && property_exists($post, 'ID')) {
$post_id = $post->ID;
}
}
return $post_id;
}
/**
* Mark a shortcode as deprecated and inform when it has been used.
*
* The current behavior is to trigger a user error if WP_DEBUG is true.
*
* This function is to be used in every function that is deprecated.
*
* @since 3.1.0
* @access private
*
* @param string $tag The tag of the shortcode that was called.
* @param string $version The version of the plugin that deprecated the shortcode.
* @param string $replacement Optional. The shortcode that should have been used. Default null.
*/
function wpcf7dtx_deprecated_shortcode($tag, $version, $replacement = null, $documentation = null)
{
/**
* Filter whether to trigger an error for deprecated shortcodes.
*
* @since 3.1.0
*
* @param bool $trigger Whether to trigger the error for deprecated functions. Default true.
*/
if (WP_DEBUG && apply_filters('deprecated_function_trigger_error', true)) {
if (!is_null($replacement)) {
if (!is_null($documentation)) {
trigger_error(sprintf(
__('%1$s is deprecated since version %2$s! Use Contact Form 7\'s built-in attribute "%3$s" instead. Contact Form 7 Documentation: %4$s', 'contact-form-7-dynamic-text-extension'),
$tag,
$version,
$replacement,
$documentation
));
} else {
trigger_error(sprintf(
__('%1$s is deprecated since version %2$s! Use Contact Form 7\'s built-in attribute "%3$s" instead.', 'contact-form-7-dynamic-text-extension'),
$tag,
$version,
$replacement
));
}
} else {
trigger_error(sprintf(
__('%1$s is deprecated since version %2$s with no alternative currently available.', 'contact-form-7-dynamic-text-extension'),
$tag,
$version
));
}
}
}
/**
* Parse Content for Specified Shortcodes
*
* Parse a string of content for a specific shortcode to retrieve its attributes and content
*
* @since 3.1.0
*
* @param string $content The content to parse
* @param string $tag The shortcode tag
*
* @return array An associative array with `tag` (string) and `shortcodes` (sequential array). If shortcodes were discovered, each one has keys for `atts` (associative array) and `content` (string)
*/
function wpcf7dtx_get_shortcode_atts($content)
{
$return = array(
'tag' => '',
'atts' => array()
);
//Search for shortcodes with attributes
if (false !== ($start = strpos($content, ' '))) {
$return['tag'] = substr($content, 0, $start); //Opens the start tag, assumes there are attributes because of the space
//Parse for shortcode attributes: `shortcode att1='foo' att2='bar'`
//Chop only the attributes e.g. `att1="foo" att2="bar"`
$atts_str = trim(str_replace($return['tag'], '', $content));
if (strpos($atts_str, "'") !== false) {
$atts = explode("' ", substr(
$atts_str,
0,
-1 //Clip off the last character, which is a single quote
));
if (is_array($atts) && count($atts)) {
foreach ($atts as $att_str) {
$pair = explode("='", $att_str);
if (is_array($pair) && count($pair) > 1) {
$key = sanitize_key(trim($pair[0])); //Validate & normalize the key
if (!empty($key)) {
$return['atts'][$key] = sanitize_text_field(html_entity_decode($pair[1]));
}
}
}
}
}
}
return $return;
}
/**
* Array Key Exists and Has Value
*
* @since 3.1.0
*
* @param string|int $key The key to search for in the array.
* @param array $array The array to search.
* @param mixed $default The default value to return if not found or is empty. Default is an empty string.
*
* @return mixed The value of the key found in the array if it exists or the value of `$default` if not found or is empty.
*/
function wpcf7dtx_array_has_key($key, $array = array(), $default = '')
{
//Check if this key exists in the array
$valid_key = (is_string($key) && !empty($key)) || is_numeric($key);
$valid_array = is_array($array) && count($array);
if ($valid_key && $valid_array && array_key_exists($key, $array)) {
//Always return if it's a boolean or number, otherwise only return it if it has any value
if ($array[$key] || is_bool($array[$key]) || is_numeric($array[$key])) {
return $array[$key];
}
}
return $default;
}
if (!function_exists('array_key_first')) {
/**
* Gets the first key of an array
*
* Gets the first key of the given array without affecting the internal array pointer.
*
* @param array $array
* @return int|string|null
*/
function array_key_first($array = array())
{
foreach ($array as $key => $value) {
return $key;
}
return null;
}
}