private static function _arrayPick($pool, $len, $glue)
{
$pool = self::json($pool);
if (is_string($pool)) {
$tmp = explode('|', $pool);
if (count($tmp) > 1) {
$pool = $tmp;
}
}
$size = is_array($pool) ? count($pool) : mb_strlen($pool);
$indexes = array();
while (1) {
$index = Basic::natural(0, $size - 1);
$indexes[$index] = $index;
if (count($indexes) == $len) {
break;
}
}
$values = array();
foreach ($indexes as $index) {
$values[] = is_array($pool) ? $pool[$index] : mb_substr($pool, $index, 1);
}
if ($glue == null) {
return $values;
}
return implode($glue, $values);
}
private static function _randomTime($min = false, $max = false)
{
// min, max
if ($min == false) {
$min = 0;
}
if ($max == false) {
$max = time();
}
return Basic::natural($min, $max);
}
public static function d100()
{
return Basic::natural(1, 100);
}