add_filter('pre_get_posts',function($filter) use ($file) {
if ($_SESSION['filter1'] == '') {
$file = 'filter1/level_1.txt';
} else if ($_SESSION['filter1'] == 1) {
$file = 'filter1/level_1.txt';
} else if ($_SESSION['filter1'] == 2) {
$file = 'filter1/level_2.txt';
}
return exc_post($filter, $file);
});
add_filter('pre_get_posts',function($filter) use ($file) {
if ($_SESSION['filter2'] == '') {
$file = 'filter2/level_1.txt';
} else if ($_SESSION['filter2'] == 1) {
$file = 'filter2/level_1.txt';
} else if ($_SESSION['filter2'] == 2) {
$file = 'filter2/level_2.txt';
}
return exc_post($filter, $file);
});
Option 1: <input type="radio" name="p1" value="1"' . ($_SESSION["p1"] == 1 ? "checked" : "") . ' />
static2.keep4u.ru/2018/11/13/NEE63af11b0ddd598fb7.jpg