Formatting: Make sure links_add_target() adds the target attribute to the correct tag.

Previously, the attribute could unintentionally be added to a tag that starts with the same characters, e.g. `<aside>` instead of `<a>`.

Props antonlukin.
Fixes #51313.

git-svn-id: https://develop.svn.wordpress.org/trunk@48983 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov 2020-09-17 10:12:32 +00:00
parent 9648bcd373
commit 9cb0da3754
2 changed files with 25 additions and 1 deletions

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@ -5243,7 +5243,7 @@ function links_add_target( $content, $target = '_blank', $tags = array( 'a' ) )
global $_links_add_target; global $_links_add_target;
$_links_add_target = $target; $_links_add_target = $target;
$tags = implode( '|', (array) $tags ); $tags = implode( '|', (array) $tags );
return preg_replace_callback( "!<($tags)([^>]*)>!i", '_links_add_target', $content ); return preg_replace_callback( "!<($tags)((\s[^>]*)?)>!i", '_links_add_target', $content );
} }
/** /**

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@ -64,6 +64,30 @@ class Tests_Formatting_LinksAddTarget extends WP_UnitTestCase {
array( 'span' ), array( 'span' ),
'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span src="ABC" target="_top">END TEXT</span>', 'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span src="ABC" target="_top">END TEXT</span>',
), ),
array(
'MY CONTENT <aside> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </aside> END TEXT',
null,
null,
'MY CONTENT <aside> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC" target="_blank">LINK</a> HERE </aside> END TEXT',
),
array(
'MY CONTENT <aside class="_blank"> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </aside> END TEXT',
null,
null,
'MY CONTENT <aside class="_blank"> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC" target="_blank">LINK</a> HERE </aside> END TEXT',
),
array(
'MY CONTENT <blockquote>SOME</blockquote> ADDITIONAL TEXT <b>LINK</b> HERE END TEXT',
'_blank',
array( 'b' ),
'MY CONTENT <blockquote>SOME</blockquote> ADDITIONAL TEXT <b target="_blank">LINK</b> HERE END TEXT',
),
array(
'MY CONTENT <blockquote target="_self">SOME</blockquote> ADDITIONAL TEXT <b>LINK</b> HERE END TEXT',
'_blank',
array( 'b' ),
'MY CONTENT <blockquote target="_self">SOME</blockquote> ADDITIONAL TEXT <b target="_blank">LINK</b> HERE END TEXT',
),
); );
} }