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One day my site worked perfectly and the next it suddenly started to have trouble recording accented characters. The problem affects posts' body, if I submit a post with an accent on the title it records it correctly.

However if I put it on the post's content instead of recording "casá" the posts "Casá" and if I edit it, it says "casá"

It's causing havok on my site because it's very "search based" and searches no longer work. I really don't know what to do. Anyone has experienced something like this before or has any idea of how to fix it? Or as a last resort is there a way to turn everything to us characters?

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Can you check your wp-config.php and see whether DB_CHARSET and DB_COLLATE have a value? – Jan Fabry Jan 17 '11 at 6:39
I copied this from the WPconfig: define('DB_CHARSET', 'utf8'); define('DB_COLLATE', ''); What would be the correct value? Thanks – Lisandro Vaccaro Jan 19 '11 at 3:00

Lisandro, in case you are still having these issues - or anyone else ends up on this page - the following. Like Jan pointed out these issues have to do with the charsets.

In most cases the charset definition in wp-config.php must be UTF8, just like the variable for charset in wp admin read settings. Collation will normally not be set in wp-config.php, which leads to the default utf8_general_ci to be used.

Note that charset and collation are also set on several levels in your database. As for plugins and themes: most important thing to check is whether a meta tag with charset definitions is added to the head of your pages.

In your cases you can consider to change the collation to utf8_unicode_ci for its better sorting performance. Best to have someone with working knowledge to do this.

Fairly good information on this can be found at http://codex.wordpress.org/Converting_Database_Character_Sets

Cheers, Peter

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