Fix function return value used in write context.
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@@ -80,7 +80,8 @@ if ( class_exists( 'WP_Importer' ) ) {
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case 2:
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check_admin_referer( 'import-upload' );
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if ( isset( $_POST['sp_import'] ) ):
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$this->import( $_POST['sp_import'], array_values( array_filter( sp_array_value( $_POST, 'sp_columns', array( 'post_title' ) ) ) ) );
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$columns = array_filter( sp_array_value( $_POST, 'sp_columns', array( 'post_title' ) ) );
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$this->import( $_POST['sp_import'], array_values( $columns ) );
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endif;
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break;
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endswitch;
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