<?php
//Arabic numerals to Chinese numerals
function numberToChinese(int $num)
{
Positioning of the //section's position of authority
$unit_section_pos = 0;
$chn_str = '';
//Array for single digit conversion
$chn_num_char = ["Zero.", "One.", "Two.", "Three.", "Four.", "Five.", "Six.", "Seven.", "Eight.", "Nine."];
//Array for conversion of section weights
$chn_unit_section = ["", "Ten thousand.", "Billions.", "Trillions.", "Billions and billions."];
//Array of weight conversions within sections
$chn_unit_char = ["", "Ten.", "Hundred.", "Thousand."];
$need_zero = false;
if ($num === 0) {
return $chn_num_char[0];
}
//Closures for intra-section conversion
$section_to_chinese = function ($section) use ($chn_num_char, $chn_unit_char) {
$chn_str = '';
//Position within section
$unit_pos = 0;
$zero = true;
while ($section > 0) {
$v = $section % 10;
if ($v === 0) {
if (!$zero) {
$zero = true;
$chn_str = $chn_num_char[$v] . $chn_str;
}
} else {
$zero = false;
$str_ins = $chn_num_char[$v];
$str_ins .= $chn_unit_char[$unit_pos];
$chn_str = $str_ins . $chn_str;
}
$unit_pos++;
$section = floor($section / 10);
}
return $chn_str;
};
while ($num > 0) {
$section = $num % 10000;
if ($need_zero) {
$chn_str = $chn_num_char[0] . $chn_str;
}
$str_ins = $section_to_chinese($section);
$str_ins .= ($section !== 0) ? $chn_unit_section[$unit_section_pos] : $chn_unit_section[0];
$chn_str = $str_ins . $chn_str;
$need_zero = ($section < 1000) && ($section > 0);
$num = floor($num / 10000);
$unit_section_pos++;
}
$search = 'Ten';
$replacement = 'Ten';
//Processing with a ten (this can be processed on demand)
if (mb_substr($chn_str, 0, 2) === $search) {
$position = strpos($chn_str, $search);
$chn_str = substr_replace($chn_str, $replacement, $position, strlen($search));
}
return $chn_str;
}
echo numberToChinese(1000001);
