mb_strpos($haystack, $needle[, $offset = 0[, $encoding = NULL]])

password_hash($password, $algo[, $options = array()])

password_verify($password, $hash)

mb_substr($str, $start[, $length = NULL[, $encoding = NULL]])

array_column(array $array, $column_key[, $index_key = NULL])

array_replace_recursive(array $array1[, ...])

config_item($key)

html_escape($var)

array_replace(array $array1[, ...])

quoted_printable_encode($str)