/**
* Validate attributes passed to the [gravityview] shortcode. Supports {get} Merge Tags values.
*
* Attributes passed to the shortcode are compared to registered attributes {@see GravityView_View_Data::get_default_args}
* Only attributes that are defined will be allowed through.
*
* Then, {get} merge tags are replaced with their $_GET values, if passed
*
* Then, attributes are sanitized based on the type of setting (number, checkbox, select, radio, text)
*
* @since 1.15.1
*
* @see GravityView_View_Data::get_default_args Only attributes defined in get_default_args() are valid to be passed via the shortcode
*
* @param array $passed_atts Attribute pairs defined to render the View
*
* @return array Valid and sanitized attribute pairs
*/
private function parse_and_sanitize_atts($passed_atts)
{
$defaults = GravityView_View_Data::get_default_args(true);
$supported_atts = array_fill_keys(array_keys($defaults), '');
// Whittle down the attributes to only valid pairs
$filtered_atts = shortcode_atts($supported_atts, $passed_atts, 'gravityview');
// Only keep the passed attributes after making sure that they're valid pairs
$filtered_atts = function_exists('array_intersect_key') ? array_intersect_key($passed_atts, $filtered_atts) : $filtered_atts;
$atts = array();
foreach ($filtered_atts as $key => $passed_value) {
// Allow using {get} merge tags in shortcode attributes
$passed_value = GravityView_Merge_Tags::replace_get_variables($passed_value);
switch ($defaults[$key]['type']) {
/**
* Make sure number fields are numeric.
* Also, convert mixed number strings to numbers
* @see http://php.net/manual/en/function.is-numeric.php#107326
*/
case 'number':
if (is_numeric($passed_value)) {
$atts[$key] = $passed_value + 0;
}
break;
// Checkboxes should be 1 or 0
// Checkboxes should be 1 or 0
case 'checkbox':
$atts[$key] = gv_empty($passed_value) ? 0 : 1;
break;
/**
* Only allow values that are defined in the settings
*/
/**
* Only allow values that are defined in the settings
*/
case 'select':
case 'radio':
$options = isset($defaults[$key]['choices']) ? $defaults[$key]['choices'] : $defaults[$key]['options'];
if (in_array($passed_value, array_keys($options))) {
$atts[$key] = $passed_value;
}
break;
case 'text':
default:
$atts[$key] = $passed_value;
break;
}
}
return $atts;
}
