Re: elegant way of doing something else the last time through a loop?
| From: | David Otton | Date: | Mon, 14 Jul 2003 12:02:21 +0000 |
| Subject: | Re: elegant way of doing something else the last time through a loop? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-155070@lists.php.net to get a copy of this message | ||
On 14 Jul 2003 13:11:11 +0200, you wrote:
>Anyway, as you can see my problem lies with the SQl when the last
>element is reached, then it should NOT add another "and" or "or".
The short answer is "implode()".
>Any help with my "logic", ie, how do/would you guys do this?
if ($_POST[any_all] == "any") {
any_all should be a string literal or a variable name. Try cranking up your
warning levels.
<?
function build_sql_statement($table_name, $words, $glue) {
$sql = "SELECT * FROM $table_name WHERE ";
$newwords = array();
for ($i = 0; $i < sizeof($words); $i++) {
if ($words[$i] != 'the' && $words[$i] != 'and') {
$newwords[] = "name LIKE '%" . $words[$i] . "%'";
}
}
$sql .= join(" $glue ", $newwords);
$sql .= " ORDER BY name";
return ($sql);
}
$table_name = "test";
$any_all = "any";
$string = "this is the test";
/* get our logic choice */
$logic = 'AND';
if (isset($any_all) && $any_all == 'any') {
$logic = 'OR';
}
/* break the incoming string into single words */
$phrases = explode(" ", $string);
/* generate a SQL statement from the incoming words */
$sql = build_sql_statement($table_name, $phrases, $logic);
echo ($sql);
?>