<?
class nahuatl_pre_processor {
	    
    function neutralize_vowels($s) {
	$s= preg_replace("/([aeiou]):/","$1",$s);
	$s= preg_replace("/([aeiou])/","$1:?",$s);
	return $s;
    }

/******************************* process  ****************************/

    function process($form_vars,$defaults) {
	$project = $form_vars["project"];
	$max_conditions = $defaults["max_conditions"];
	for($i=0;$i<$max_conditions;$i++) {
	    $neutralize_var = "neutralize_".$i;	    
	    $neutralize = $form_vars[$neutralize_var];

	    $string_var = "string_".$i;
	    $string = trim($form_vars[$string_var]);
	    $string = ereg_replace("[+]","\\\+",$string);

	    $db_cols_var = "db_cols_".$i;
	    $db_cols = trim($form_vars[$db_cols_var]);
	    
	    if(($string != "") && ($neutralize == "on") && !ereg("sense",$db_cols)) {
		$string = $this->neutralize_vowels($string);
		$form_vars[$string_var] = $string;
	    }
	}
	return $form_vars;
    }
}
$npp = new nahuatl_pre_processor();
$form_vars = $npp->process($form_vars,$defaults);

?>