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Docs: Add inline comments for non-visible characters in sanitize_title_with_dashes().

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This aims to clarify the list of characters that are stripped from URLs or converted to a hyphen.

Follow-up to [51984].

See #47912, #54729.

git-svn-id: https://develop.svn.wordpress.org/trunk@52821 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov 2022-03-04 14:09:59 +00:00
parent 157d127fef
commit 73fdc6ada2
1 changed files with 25 additions and 25 deletions
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50
src/wp-includes/formatting.php
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@ -2308,17 +2308,17 @@ function sanitize_title_with_dashes( $title, $raw_title = '', $context = 'displa
'%cc%84',
'%cc%8c',
// Non-visible characters that display without a width.
'%e2%80%8b',
'%e2%80%8c',
'%e2%80%8d',
'%e2%80%8e',
'%e2%80%8f',
'%e2%80%aa',
'%e2%80%ab',
'%e2%80%ac',
'%e2%80%ad',
'%e2%80%ae',
'%ef%bb%bf',
'%e2%80%8b', // Zero width space.
'%e2%80%8c', // Zero width non-joiner.
'%e2%80%8d', // Zero width joiner.
'%e2%80%8e', // Left-to-right mark.
'%e2%80%8f', // Right-to-left mark.
'%e2%80%aa', // Left-to-right embedding.
'%e2%80%ab', // Right-to-left embedding.
'%e2%80%ac', // Pop directional formatting.
'%e2%80%ad', // Left-to-right override.
'%e2%80%ae', // Right-to-left override.
'%ef%bb%bf', // Byte order mark.
),
'',
$title
@ -2327,20 +2327,20 @@ function sanitize_title_with_dashes( $title, $raw_title = '', $context = 'displa
// Convert non-visible characters that display with a width to hyphen.
$title = str_replace(
array(
'%e2%80%80',
'%e2%80%81',
'%e2%80%82',
'%e2%80%83',
'%e2%80%84',
'%e2%80%85',
'%e2%80%86',
'%e2%80%87',
'%e2%80%88',
'%e2%80%89',
'%e2%80%8a',
'%e2%80%a8',
'%e2%80%a9',
'%e2%80%af',
'%e2%80%80', // En quad.
'%e2%80%81', // Em quad.
'%e2%80%82', // En space.
'%e2%80%83', // Em space.
'%e2%80%84', // Three-per-em space.
'%e2%80%85', // Four-per-em space.
'%e2%80%86', // Six-per-em space.
'%e2%80%87', // Figure space.
'%e2%80%88', // Punctuation space.
'%e2%80%89', // Thin space.
'%e2%80%8a', // Hair space.
'%e2%80%a8', // Line separator.
'%e2%80%a9', // Paragraph separator.
'%e2%80%af', // Narrow no-break space.
),
'-',
$title