note 36934 deleted from funcref by nlopess

Note Submitter: master@dreamphp.com ---- // kill-time. complicatedly source ... ^^;;; function roma_to_number ($string) { $len = strlen($string); $sum = 0; for ($i=0;$i<$len;$i++) { switch ( $string{$i} ) { case 'I': // 1 $sum+=1; break; case 'V': // 5 if ( $string{$i-1} == 'I' ) $sum+=3; else $sum+=5; break; case 'X': // 10 if ( $string{$i-1} == 'I' ) $sum+=8; else $sum+=10; break; case 'L': // 50 if ( $string{$i-1} == 'X' ) $sum+=30; else $sum+=50; break; case 'C': // 100 if ( $string{$i-1} == 'X' ) $sum+=80; else $sum+=100; break; case 'D': // 500 if ( $string{$i-1} == 'C' ) $sum+=300; else $sum+=500; break; case 'M': // 1000 if ( $string{$i-1} == 'C' ) $sum+=800; else $sum+=1000; break; } } return $sum; } // example echo roma_to_number('MCMXCVIII').'-'.roma_to_number('MMIII'); // output 1998-2003