Improve handling the existing rel attribute in wp_rel_nofollow_callback().

Merges [45990] to the 4.8 branch.
Props xknown, sstoqnov.
Built from https://develop.svn.wordpress.org/branches/4.8@45995


git-svn-id: http://core.svn.wordpress.org/branches/4.8@45806 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2019-09-04 17:48:46 +00:00
parent 7b4f9a5118
commit f76869ca2f

View File

@ -2731,19 +2731,19 @@ function wp_rel_nofollow( $text ) {
*/
function wp_rel_nofollow_callback( $matches ) {
$text = $matches[1];
$atts = shortcode_parse_atts( $matches[1] );
$atts = wp_kses_hair( $matches[1], wp_allowed_protocols() );
$rel = 'nofollow';
if ( ! empty( $atts['href'] ) ) {
if ( in_array( strtolower( wp_parse_url( $atts['href'], PHP_URL_SCHEME ) ), array( 'http', 'https' ), true ) ) {
if ( strtolower( wp_parse_url( $atts['href'], PHP_URL_HOST ) ) === strtolower( wp_parse_url( home_url(), PHP_URL_HOST ) ) ) {
if ( in_array( strtolower( wp_parse_url( $atts['href']['value'], PHP_URL_SCHEME ) ), array( 'http', 'https' ), true ) ) {
if ( strtolower( wp_parse_url( $atts['href']['value'], PHP_URL_HOST ) ) === strtolower( wp_parse_url( home_url(), PHP_URL_HOST ) ) ) {
return "<a $text>";
}
}
}
if ( ! empty( $atts['rel'] ) ) {
$parts = array_map( 'trim', explode( ' ', $atts['rel'] ) );
$parts = array_map( 'trim', explode( ' ', $atts['rel']['value'] ) );
if ( false === array_search( 'nofollow', $parts ) ) {
$parts[] = 'nofollow';
}
@ -2752,7 +2752,11 @@ function wp_rel_nofollow_callback( $matches ) {
$html = '';
foreach ( $atts as $name => $value ) {
$html .= "{$name}=\"" . esc_attr( $value ) . "\" ";
if ( isset( $value['vless'] ) && 'y' === $value['vless'] ) {
$html .= $name . ' ';
} else {
$html .= "{$name}=\"" . esc_attr( $value['value'] ) . '" ';
}
}
$text = trim( $html );
}