PHP PHP动态下拉框：国家 - 记住提交时的价值

Posted 2021-05-14

$sql = "select country_name,country_abbrev from country order by country_name";
if (!(@ $result = mysql_query($sql))) {
    print "There was an error running your query:<p>\n". $sql . "<p>\n";
}
print '<select name="country"><br>\n';
print '<option value="">  - Select Country -   ';
while ($row = mysql_fetch_row($result)) {
    $country_name   = $row[0];
    $country_abbrev  = $row[1];
	
    print "<option value=\"$country_abbrev\"";
    if ($_REQUEST["country"] == $country_abbrev) { print " selected"; }
    print "> $country_name <br>\n";
}
print '</select>';