Detect leap year for gregorian and shamsi date.
function gLeapYear($year) { if (($year % 4 == 0) and (($year % 100 != 0) or ($year % 400 == 0))) return true; else return false; } function sLeapYear($year) { $ary = array(1, 5, 9, 13, 17, 22, 26, 30); $b = $year % 33; if (in_array($b, $ary)) return true; return false; } echo sLeapYear(1392).' '; echo gLeapYear(2013);
Format a number with grouped thousands......
Translates a number to a short alhanumeric version. e.g.: 9007199254740989 --> PpQXn7COf In most cases this is better than totally random ID generators because this can easily avoid duplicate ID's. Fo...
Encrypt function return different value with each execute but decrypt function return input value. for example: first execute: encrypt('hello') => 'axxdfg34', decrypt('axxdfg34') return 'hello'...
Function subwords, gets words by max num....
