On 04/15/2010 02:46 AM, cr.vegelin@xxxxxxxxx wrote: > Hi All, > > Is there an option in PHP to change the behavior of NULL in PHP functions ? > Now PHP uses NULL as a 0 (zero) for arithmetic, for example: > NULL + 6 = 6 > NULL * 6 = 0 > NULL / 6 = 0 > 6 / NULL = Division by zero > > What I need is the same behavior as #N/A (or =NA()) in Excel, where: > #N/A + 6 = #N/A > #N/A * 6 = #N/A > #N/A / 6 = #N/A > 6 / #N/A = #N/A > > because arithmetic operations with "Unknown" operands should result to "Unknown" ... > > TIA, Cor > In what cases do you have a null var? -- Thanks! -Shawn http://www.spidean.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
