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Canonical: Strip trailing punctuation from permalinks.

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Props joostdevalk, lancewillett, SergeyBiryukov.
Fixes #20383.

git-svn-id: https://develop.svn.wordpress.org/trunk@40256 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov
2017-03-09 20:04:17 +00:00
parent 15ae03f4ab
commit 8060823ff3
2 changed files with 75 additions and 7 deletions
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24
src/wp-includes/canonical.php
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@@ -391,12 +391,28 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
// trailing /index.php
$redirect['path'] = preg_replace('|/' . preg_quote( $wp_rewrite->index, '|' ) . '/*?$|', '/', $redirect['path']);
// Remove trailing spaces from the path
$redirect['path'] = preg_replace( '#(%20| )+$#', '', $redirect['path'] );
$punctuation_pattern = implode( '|', array_map( 'preg_quote', array(
' ', '%20', // space
'!', '%21', // exclamation mark
'"', '%22', // double quote
"'", '%27', // single quote
'(', '%28', // opening bracket
')', '%29', // closing bracket
',', '%2C', // comma
'.', '%2E', // period
';', '%3B', // semicolon
'{', '%7B', // opening curly bracket
'}', '%7D', // closing curly bracket
'“', '%E2%80%9C', // opening curly quote
'”', '%E2%80%9D', // closing curly quote
) ) );
// Remove trailing spaces and end punctuation from the path.
$redirect['path'] = preg_replace( "#($punctuation_pattern)+$#", '', $redirect['path'] );
if ( !empty( $redirect['query'] ) ) {
// Remove trailing spaces from certain terminating query string args
$redirect['query'] = preg_replace( '#((p|page_id|cat|tag)=[^&]*?)(%20| )+$#', '$1', $redirect['query'] );
// Remove trailing spaces and end punctuation from certain terminating query string args.
$redirect['query'] = preg_replace( "#((p|page_id|cat|tag)=[^&]*?)($punctuation_pattern)+$#", '$1', $redirect['query'] );
// Clean up empty query strings
$redirect['query'] = trim(preg_replace( '#(^|&)(p|page_id|cat|tag)=?(&|$)#', '&', $redirect['query']), '&');