function rand($rand = NULL)
{
if (!count($this->map)) {
return NULL;
}
return choose_one($this->map, $rand);
}
<?php
global $quiz_types;
global $df_exclude;
$challenge = function ($spart, $lang = 'la') {
return function () use($spart, $lang) {
global $OP_USER_INPUT;
return [["help" => function (&$pick_db, $db) {
$word = $pick_db["word"];
$paths = $pick_db["word"]->read_paths();
$paths = array_filter($paths, function ($p) {
return $p->get();
});
$path = $pick_db["path"] = choose_one($paths);
error_log(var_export($path->get(), 1));
$pick_db["form"] = $path->get();
$path = implode(" ", array_map("format_path", array_reverse(explode("/", (string) $path))));
$word_name = display_word_name($word);
return "What is the {$path} for {$word_name}.";
}, "selections" => ["word" => function ($_, $db, $path) use($spart, $lang) {
$s = $db->searcher()->spart($spart)->lang($lang)->only_without_attr(ATTR("irregular"))->only_without_attr(ATTR("hidden"))->only_without_attr(ATTR("template"));
$s->stmt .= " AND EXISTS (SELECT 1 FROM forms WHERE forms.word_id = words.word_id AND form_tag != '' AND form_value != '')";
return $s->rand();
}], "sentence" => [$OP_USER_INPUT], "answer0" => function ($pick_db) {
$map = function ($w) use($pick_db) {
return word_link2($pick_db["word"], $w, true, true);
};
return array_map($map, explode("\n", $pick_db["form"]));
}, "answer0-tooltip" => "Enter form"]];
};
};
function rand($rand = NULL)
{
return choose_one($this->all(), $rand);
}
function choose_n_unique($arr, $n, $rand = NULL)
{
if ($n === NULL) {
return choose_one($arr, $rand);
}
$ret = [];
for ($i = 0; $i < $n; $i++) {
if (is_array($rand)) {
$key = getRandomWeightedElement($rand);
} else {
$key = array_rand($arr, 1);
}
$selected = $arr[$key];
unset($arr[$key]);
if (is_array($rand)) {
unset($rand[$key]);
}
$ret[] = $selected;
}
return $ret;
}
<!DOCTYPE html>
<html lang="ru">
<?php
include 'functions.php';
links();
?>
<body><?php
head();
?>
<main class="index"><?php
carousel();
?>
<div id="choose_wrapper">
<?php
choose_one();
?>
<?php
choose_two();
?>
<?php
choose_three();
?>
</div><?php
catalog();
?>
<?php
why();
?>
<?php
questions();
?>