function selection_sort($arr)
{
$time_start = microtime(true);
for ($x = 0; $x < count($arr); $x++) {
$min = $arr[$x];
$max = $arr[$x];
for ($i = $x; $i < count($arr); $i++) {
if ($arr[$i] < $min) {
$min = $arr[$i];
$arr = array_swap($arr, $i, $x);
} else {
if ($arr[$i] > $max) {
$max = $arr[$i];
$arr = array_swap($arr, count($arr) - 1, $i);
}
}
}
}
var_dump($arr);
$time_stop = microtime(true);
echo $time_stop - $time_start;
}
function my_custom_sizes($sizes)
{
/* NOTE: the $sizes array here is simply an associative array. It doesn't provide actual dimensions.
We are hardcoding that Mugshot goes second now (and thumbnail first) ... a more robust solution
could leverage something like https://codex.wordpress.org/Function_Reference/get_intermediate_image_sizes
*/
$newArray = array('mugshot' => 'Mugshot');
foreach ($sizes as $key => $value) {
$newArray[$key] = $value;
}
$reorderedSizes = array_swap("mugshot", "thumbnail", $newArray);
return $reorderedSizes;
}
$correct_text_parts = explode("\t", $question['correct_text']);
if (isset($answer_parts[$outer - 1])) {
$answer_subparts = explode('$', $answer_parts[$outer - 1]);
$csv .= ',"';
for ($k = 0; $k < count($correct_subparts); $k++) {
if ($k > 0) {
$csv .= '","';
}
$diff = count($correct_subparts) - count($answer_subparts);
if ($diff > 0) {
$answer_subparts = array_pad($answer_subparts, -1 * ($diff + count($answer_subparts)), '-1');
}
if (count($correct_subparts) > 1) {
$corr_index = array_search($correct_subparts[$k], $answer_subparts);
if ($corr_index !== false and $corr_index > $k) {
$answer_subparts = array_swap($answer_subparts, $k, $corr_index);
}
}
if ($answer_subparts[$k] != -1) {
$subpart = $answer_subparts[$k];
if ($mode == 'numeric') {
$csv .= $answer_subparts[$k];
} else {
if (isset($correct_text_parts[$subpart])) {
$csv .= $correct_text_parts[$subpart];
}
}
}
if ($is_random) {
if ($mode == 'numeric') {
$csv .= '","' . $correct_subparts[$k];
/**
* Change array element $num and [0] position
*
* @param array $arr (reference)
* @param int $num
*
* @return void
*
* @author Kondratenko Alexander (Xander)
*/
function array_swap(&$arr, $num)
{
$tmp = $arr[0];
$arr[0] = $arr[$num];
$arr[$num] = $tmp;
}
// test data
$arr = [4, 5, 8, 9, 1, 7, 2];
$i = 1;
echo 'Inital ' . print_r($arr, TRUE) . "\n\r";
echo "Starting magic...Bang!\n\r\n\r";
while ($i < count($arr)) {
foreach ($arr as $key => $_arr) {
if ($_arr > $arr[0] && $key < count($arr) - $i + 1) {
array_swap($arr, $key);
}
}
array_swap($arr, count($arr) - $i);
$i++;
}
echo 'Result ' . print_r($arr, TRUE) . "\n\r";