Format a number with grouped thousands(please visit number_format in php):
function numberformat($str, $sep=',') { $result = ''; $str = $str.''; $c = 0; $num = strlen($str); for($i=$num-1; $i>=0; $i--) { if($c==3) { $result = $sep.$result; $result = $str[$i].$result; $c = 0; } else { $result = $str[$i].$result; } $c++; } return $result; } //OUT = 1,333,555 echo numberformat(1333555);
Detect leap year for gregorian and shamsi date. function gLeapYear($year) { if (($year % 4 == 0) and (($year % 100 != 0) or ($year % 400 == 0))) return true; else return ...
The best way to determine the character count of a UTF8 string. function strlen_utf8( $str ) { return mb_strlen( $str, 'UTF-8' ); } //or... function strlen_utf8( $str ) { $c = 0;...
Translates a number to a short alhanumeric version. e.g.: 9007199254740989 --> PpQXn7COf In most cases this is better than totally random ID generators because this can easily avoid duplicate ID's. Fo...
This function check if an url is valid or not. function is_valid_url($url) { return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url); }...
