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Strip a number of special characters in sanitize_title_with_dashes on save. Includes quotes (curly, angle), dashes, marks, etc. props SergeyBiryukov. props ampt for the unit tests in [UT438]. see #10797.

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git-svn-id: http://svn.automattic.com/wordpress/trunk@18705 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
nacin 2011-09-18 19:53:59 +00:00
parent 80720acfc4
commit e5ca4fea40
2 changed files with 19 additions and 3 deletions
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2
wp-includes/default-filters.php
View File

@ -182,7 +182,7 @@ add_filter( 'option_home', '_config_wp_home' );
add_filter( 'option_siteurl', '_config_wp_siteurl' );
add_filter( 'tiny_mce_before_init', '_mce_set_direction' );
add_filter( 'pre_kses', 'wp_pre_kses_less_than' );
add_filter( 'sanitize_title', 'sanitize_title_with_dashes' );
add_filter( 'sanitize_title', 'sanitize_title_with_dashes', 10, 3 );
add_action( 'check_comment_flood', 'check_comment_flood_db', 10, 3 );
add_filter( 'comment_flood_filter', 'wp_throttle_comment_flood', 10, 3 );
add_filter( 'pre_comment_content', 'wp_rel_nofollow', 15 );

20
wp-includes/formatting.php
View File

@ -803,7 +803,7 @@ function sanitize_title_for_query($title) {
}
/**
* Sanitizes title, replacing whitespace with dashes.
* Sanitizes title, replacing whitespace and a few other characters with dashes.
*
* Limits the output to alphanumeric characters, underscore (_) and dash (-).
* Whitespace becomes a dash.
@ -811,9 +811,11 @@ function sanitize_title_for_query($title) {
* @since 1.2.0
*
* @param string $title The title to be sanitized.
* @param string $raw_title Optional. Not used.
* @param string $context Optional. The operation for which the string is sanitized.
* @return string The sanitized title.
*/
function sanitize_title_with_dashes($title) {
function sanitize_title_with_dashes($title, $raw_title = '', $context = 'display') {
$title = strip_tags($title);
// Preserve escaped octets.
$title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title);
@ -832,6 +834,20 @@ function sanitize_title_with_dashes($title) {
$title = strtolower($title);
$title = preg_replace('/&.+?;/', '', $title); // kill entities
$title = str_replace('.', '-', $title);
if ( 'save' == $context ) {
// nbsp, ndash and mdash
$title = str_replace( array( '%c2%a0', '%e2%80%93', '%e2%80%94' ), '-', $title );
// iexcl and iquest
$title = str_replace( array( '%c2%a1', '%c2%bf' ), '', $title );
// angle quotes
$title = str_replace( array( '%c2%ab', '%c2%bb', '%e2%80%b9', '%e2%80%ba' ), '', $title );
// curly quotes
$title = str_replace( array( '%e2%80%98', '%e2%80%99', '%e2%80%9c', '%e2%80%9d' ), '', $title );
// copy, reg, deg, hellip and trade
$title = str_replace( array( '%c2%a9', '%c2%ae', '%c2%b0', '%e2%80%a6', '%e2%84%a2' ), '', $title );
}
$title = preg_replace('/[^%a-z0-9 _-]/', '', $title);
$title = preg_replace('/\s+/', '-', $title);
$title = preg_replace('|-+|', '-', $title);