snipplrCallback({"id":20383,"title":"php-base-conversion-radix-255","source":"
  1. if<\/span> (<\/span>!<\/span>function_exists<\/span><\/a>(<\/span>'bcdiv'<\/span>)<\/span>)<\/span> {<\/span><\/div><\/li>
  2. \tfunction<\/span> bcdiv<\/span><\/a>(<\/span>$dividend<\/span>,<\/span> $divisor<\/span>)<\/span> {<\/span><\/div><\/li>
  3. \t\t$quotient<\/span> =<\/span> floor<\/span><\/a>(<\/span>$dividend<\/span>\/<\/span>$divisor<\/span>)<\/span>;<\/span><\/div><\/li>
  4. \t\treturn<\/span> $quotient<\/span>;<\/span><\/div><\/li>
  5. \t}<\/span><\/div><\/li>
  6. \tfunction<\/span> bcmod<\/span><\/a>(<\/span>$dividend<\/span>,<\/span> $modulo<\/span>)<\/span> {<\/span><\/div><\/li>
  7. \t\t$remainder<\/span> =<\/span> $dividend<\/span>%<\/span>$modulo<\/span>;<\/span><\/div><\/li>
  8. \t\treturn<\/span> $remainder<\/span>;<\/span><\/div><\/li>
  9. \t}<\/span><\/div><\/li>
  10. }<\/span><\/div><\/li>
  11.  <\/div><\/li>
  12. \/**<\/span><\/div><\/li>
  13.  * Convert Decimal to a base less then 255 comprised of ASCII chars<\/span><\/div><\/li>
  14.  *<\/span><\/div><\/li>
  15.  * @param Int $num<\/span><\/div><\/li>
  16.  * @param Int $base (2-255)<\/span><\/div><\/li>
  17.  * @return ASCII String<\/span><\/div><\/li>
  18.  *\/<\/span><\/div><\/li>
  19. function<\/span> base255(<\/span>$num<\/span>,<\/span> $base<\/span> =<\/span> 255<\/span>)<\/span> {<\/span><\/div><\/li>
  20. \tif<\/span> (<\/span>$num<\/span> <<\/span> 0<\/span>)<\/span> $num<\/span> =<\/span> -<\/span>$num<\/span>;<\/span><\/div><\/li>
  21. \t$ret<\/span> =<\/span> array<\/span><\/a>(<\/span>)<\/span>;<\/span><\/div><\/li>
  22. \twhile<\/span>(<\/span>$num<\/span> ><\/span> $base<\/span>)<\/span> {<\/span><\/div><\/li>
  23. \t\t$rem<\/span> =<\/span> bcmod<\/span><\/a>(<\/span>$num<\/span>,<\/span> $base<\/span>)<\/span>;<\/span><\/div><\/li>
  24. \t\t$num<\/span> =<\/span> bcdiv<\/span><\/a>(<\/span>$num<\/span>,<\/span> $base<\/span>)<\/span>;<\/span><\/div><\/li>
  25. \t\t$ret<\/span>[<\/span>]<\/span> =<\/span> chr<\/span><\/a>(<\/span>$rem<\/span>)<\/span>;<\/span><\/div><\/li>
  26. \t}<\/span><\/div><\/li>
  27. \t$ret<\/span>[<\/span>]<\/span> =<\/span> chr<\/span><\/a>(<\/span>$num<\/span>)<\/span>;<\/span><\/div><\/li>
  28. \treturn<\/span> implode<\/span><\/a>(<\/span>''<\/span>,<\/span> array_reverse<\/span><\/a>(<\/span>$ret<\/span>)<\/span>)<\/span>;<\/span><\/div><\/li>
  29. }<\/span><\/div><\/li><\/ol><\/pre>","link":"https:\/\/snipplr.com\/view\/20383\/php-base-conversion-radix-255"});