February 12, 2011 
Definition:
function wp_kses($string, $allowed_html, $allowed_protocols = array () {}
Filters content and keeps only allowable HTML elements.
This function makes sure that only the allowed HTML element names, attribute names and attribute values plus only sane HTML entities will occur in $string. You have to remove any slashes from PHP’s magic quotes before you call this function.
Parameters
- string $string: Content to filter through kses
- array $allowed_html: List of allowed HTML elements
- array $allowed_protocols: Optional. Allowed protocol in links.
Return values
returns:Filtered content with only allowed HTML elements
Source code
function wp_kses($string, $allowed_html, $allowed_protocols = array ()) {
if ( empty( $allowed_protocols ) )
$allowed_protocols = wp_allowed_protocols();
$string = wp_kses_no_null($string);
$string = wp_kses_js_entities($string);
$string = wp_kses_normalize_entities($string);
$allowed_html_fixed = wp_kses_array_lc($allowed_html);
$string = wp_kses_hook($string, $allowed_html_fixed, $allowed_protocols); // WP changed the order of these funcs and added args to wp_kses_hook
return wp_kses_split($string, $allowed_html_fixed, $allowed_protocols);
}
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