Convert php numbers to Chinese characters amount

  /**
 * Convert numbers to Chinese
 * @param string|integer|float $num target number
 * @param integer $mode mode [true: amount (default), false: ordinary number representation]
 * @param boolean $sim use lowercase (Default)
 * @return string
*/
 function number2chinese($num,$mode = true,$sim = true){
 if(!is_numeric($num)) return 'contains non-numbers Non-decimal point character! ';
 $char = $sim ? array('zero','one','two','three','four','five','six','seven','eight','nine' )
 : array('zero','one','two','three','four','five','Lu','旒','捌','玖');
 $unit = $sim ? array('','十','hundred','thousand','','ten thousand','billion','trillion')
 : array('','十','hundred', '仟','','万','hundred million','trillion');
 $retval = $mode ? 'Yuan':'point';

 //Decimal part
 if(strpos($num, ' .')){
 list($num,$dec) = explode('.', $num);
 $dec = strval(round($dec,2));
 if($mode){
 $retval .= "{$char[$dec['0']]}angle {$char[$dec['1']]}cent";
 }else{
 for($i = 0,$c = strlen( $dec);$i < $c;$i++) {
 $retval .= $char[$dec[$i]];
 }
 }
 }
 //Integer part
 $str = $mode ? strrev (intval($num)) : strrev($num);
 for($i = 0,$c = strlen($str);$i < $c;$i++) {
 $out[$i] = $char[$str[$i]];
 if($mode){
 $out[$i] .= $str[$i] != '0'? $unit[$i%4] : '' ;
 if($i>1 and $str[$i]+$str[$i-1] == 0){
 $out[$i] = '';
 }
 if($i%4 = = 0){
 $out[$i] .= $unit[4+floor($i/4)];
 }
 }
 }
 $retval = join('',array_reverse($out)) . $ retval;
 return $retval;
 }

 //Instance call==================================== ==================
 $num = '0123648867.789';
 echo $num,'';
 //Chinese character representation of ordinary numbers
 echo 'Ordinary :',number2chinese($num,false),'';
 echo '';
 //Amount expressed in Chinese characters
 echo 'Amount (simplified):',number2chinese($num,true),'';
 echo '';
 echo 'Amount (Traditional):',number2chinese($num,true,false);

 ?>

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