$verif = 0;
if (strchr($str, '+')) {
$verif++;
}
if (strchr($str, '-')) {
$verif++;
}
if (strchr($str, '*')) {
$verif++;
}
if (strchr($str, '/')) {
$verif++;
}
if (strchr($str, '%')) {
$verif++;
}
return $verif;
}
if ($argc != 2) {
exit("Incorrect Parameters\n");
} else {
if (!detect_letters($argv[1]) || verif_signs($argv[1]) != 1) {
exit("Syntax Error\n");
}
}
$tab = get_nums($argv);
$sign = get_sign($argv);
if ($sign && $tab) {
$result = calcul($tab, $sign);
}
print "{$result}\n";
}
}
echo "\n\t{$i}. {$field['name']}";
$i++;
}
echo "\n\nMake your choice, using the form [num1,num2,num3...]";
if ($suggest_default_fields) {
$default_nums = implode(",", $default_fields);
echo ", or press Enter to choose the current selection [{$default_nums}]";
}
echo ": ";
$line = trim(fgets(STDIN));
if ($line == "") {
$nums = $default_fields;
} else {
$nums = get_nums($line, count($fields));
}
if (is_array($nums)) {
break;
}
}
$values = array();
foreach ($nums as $num) {
$values[] = $fields[$num - 1]["name"];
}
$res = implode(";", $values);
if ($res != substr($config_values[$category . "_fields"], 1, -1)) {
$new_indexing_required = 1;
//since values changed, you will have to do a complete new indexing
$config_values = substituteOption($config_values, $category . "_fields", $res);
$config_values2 = substituteOption($config_values2, $category . "_fields", $res);
