php中数字转换成货币格式实现代码_PHP教程

function format_money( $STR )
{
if ( $STR == "" )
{
return "";
}
if ( $STR == ".00" )
{
return "0.00";
}
$TOK = strtok( $STR, "." );
if ( strcmp( $STR, $TOK ) == "0" )
{
$STR .= ".00";
}
else
{
$TOK = strtok( "." );
$I = 1;
for ( ; $I <= 2 - strlen( $TOK ); ++$I )
{
$STR .= "0";
}
}
if ( substr( $STR, 0, 1 ) == "." )
{
$STR = "0".$STR;
}
return $STR;
}