wp_kses_bad_protocol_once( string $content, string[] $allowed_protocols, int $count = 1 ): string
Sanitizes content from bad protocols and other characters.
Description
This function searches for URL protocols at the beginning of the string, while handling whitespace and HTML entities.
Parameters
-
$contentstring Required -
Content to check for bad protocols.
-
$allowed_protocolsstring[] Required -
Array of allowed URL protocols.
-
$countint Optional -
Depth of call recursion to this function.
Default:
1
Return
string Sanitized content.
Source
File: wp-includes/kses.php.
View all references
function wp_kses_bad_protocol_once( $content, $allowed_protocols, $count = 1 ) {
$content = preg_replace( '/(�*58(?![;0-9])|�*3a(?![;a-f0-9]))/i', '$1;', $content );
$content2 = preg_split( '/:|�*58;|�*3a;|:/i', $content, 2 );
if ( isset( $content2[1] ) && ! preg_match( '%/\?%', $content2[0] ) ) {
$content = trim( $content2[1] );
$protocol = wp_kses_bad_protocol_once2( $content2[0], $allowed_protocols );
if ( 'feed:' === $protocol ) {
if ( $count > 2 ) {
return '';
}
$content = wp_kses_bad_protocol_once( $content, $allowed_protocols, ++$count );
if ( empty( $content ) ) {
return $content;
}
}
$content = $protocol . $content;
}
return $content;
}
Changelog
| Version | Description |
|---|---|
| 1.0.0 | Introduced. |