Delete usermeta field if set to empty string. Props David House. fixes #2341
git-svn-id: https://develop.svn.wordpress.org/trunk@3495 602fd350-edb4-49c9-b593-d223f7449a82
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@ -2220,6 +2220,10 @@ function update_usermeta( $user_id, $meta_key, $meta_value ) {
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$meta_value = serialize($meta_value);
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$meta_value = trim( $meta_value );
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if (empty($meta_value)) {
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delete_usermeta($user_id, $meta_key);
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}
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$cur = $wpdb->get_row("SELECT * FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key'");
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if ( !$cur ) {
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$wpdb->query("INSERT INTO $wpdb->usermeta ( user_id, meta_key, meta_value )
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