php 에서 number_format, filter_var 사용하기

$money = 1000000; 

$money1 = number_format ( $money );

echo money1;

 1,000,000

 filter_var($formatted_nubmer, FILTER_SANITIZE_NUMBER_INT) 

혹은

 filter_var($formatted_nubmer, 519) 

 $money = number_format ( 1000000 );

 echo $money;

 $money1 = filter_var( $money, 519 );

 echo money1;