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Date/Time: When determining whether to decline the month name in wp_maybe_decline_date(), take word boundaries into account.

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Add more unit tests.

Props Rarst, Clorith, timon33, Xendo, SergeyBiryukov.
Fixes #48606.

git-svn-id: https://develop.svn.wordpress.org/trunk@46862 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov
2019-12-09 18:48:50 +00:00
parent 2e175cad63
commit 50f01f47e3
2 changed files with 33 additions and 8 deletions
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src/wp-includes/functions.php
+13 -8
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@@ -335,24 +335,29 @@ function wp_maybe_decline_date( $date ) {
$months = $wp_locale->month;
$months_genitive = $wp_locale->month_genitive;
// Match a format like 'j F Y' or 'j. F'
if ( preg_match( '#^\d{1,2}\.? [^\d ]+#u', $date ) ) {
/*
* Match a format like 'j F Y' or 'j. F' (day of the month, followed by month name)
* and decline the month.
*/
if ( preg_match( '#\b\d{1,2}\.? [^\d ]+\b#u', $date ) ) {
foreach ( $months as $key => $month ) {
$months[ $key ] = '# ' . $month . '( |$)#u';
$months[ $key ] = '# ' . preg_quote( $month, '#' ) . '\b#u';
}
foreach ( $months_genitive as $key => $month ) {
$months_genitive[ $key ] = ' ' . $month . '$1';
$months_genitive[ $key ] = ' ' . $month;
}
$date = preg_replace( $months, $months_genitive, $date );
}
// Match a format like 'F jS' or 'F j' and change it to 'j F'
if ( preg_match( '#^[^\d ]+ \d{1,2}(st|nd|rd|th)? #u', trim( $date ) ) ) {
/*
* Match a format like 'F jS' or 'F j' (month name, followed by day with an optional ordinal suffix)
* and change it to declined 'j F'.
*/
if ( preg_match( '#\b[^\d ]+ \d{1,2}(st|nd|rd|th)?\b#u', trim( $date ) ) ) {
foreach ( $months as $key => $month ) {
$months[ $key ] = '#' . $month . ' (\d{1,2})(st|nd|rd|th)?#u';
$months[ $key ] = '#\b' . preg_quote( $month, '#' ) . ' (\d{1,2})(st|nd|rd|th)?\b#u';
}
foreach ( $months_genitive as $key => $month ) {