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Improve handling the existing `rel` attribute in `wp_rel_nofollow_callback()`. 

Merges [45990] to the 4.9 branch.
Props xknown, sstoqnov.
Built from https://develop.svn.wordpress.org/branches/4.9@45994


git-svn-id: http://core.svn.wordpress.org/branches/4.9@45805 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2019-09-04 17:48:24 +00:00
parent 0b53ca170a
commit ee57ce6745
1 changed files with 9 additions and 5 deletions
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14
wp-includes/formatting.php
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@ -2747,19 +2747,19 @@ function wp_rel_nofollow( $text ) {
*/ */
function wp_rel_nofollow_callback( $matches ) { function wp_rel_nofollow_callback( $matches ) {
$text = $matches[1]; $text = $matches[1];
$atts = shortcode_parse_atts( $matches[1] ); $atts = wp_kses_hair( $matches[1], wp_allowed_protocols() );
$rel = 'nofollow'; $rel = 'nofollow';
if ( ! empty( $atts['href'] ) ) { if ( ! empty( $atts['href'] ) ) {
if ( in_array( strtolower( wp_parse_url( $atts['href'], PHP_URL_SCHEME ) ), array( 'http', 'https' ), true ) ) { if ( in_array( strtolower( wp_parse_url( $atts['href']['value'], 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 ( strtolower( wp_parse_url( $atts['href']['value'], PHP_URL_HOST ) ) === strtolower( wp_parse_url( home_url(), PHP_URL_HOST ) ) ) {
return "<a $text>"; return "<a $text>";
} }
} }
} }
if ( ! empty( $atts['rel'] ) ) { 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 ) ) { if ( false === array_search( 'nofollow', $parts ) ) {
$parts[] = 'nofollow'; $parts[] = 'nofollow';
} }
@ -2768,7 +2768,11 @@ function wp_rel_nofollow_callback( $matches ) {
$html = ''; $html = '';
foreach ( $atts as $name => $value ) { 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 ); $text = trim( $html );
} }