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);
Quick extract numbers from a unicode string......
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;...
Chek if a phone numbers is valid, according to its syntax (should be: "+390523599314"). True if it's valid, False otherwise function is_valid_phone( $phone ) { if ( $phone[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...
