* ISO number formatting: 123 456 789,99.
* Avoid tripple grouping by numbers with whole part up to 4 digits.
*/
- function commafy($_) {
- if (!preg_match('/^\d{1,4}$/',$_)) {
- return strrev((string)preg_replace('/(\d{3})(?=\d)(?!\d*\.)/','$1,',strrev($_)));
+ function commafy( $_ ) {
+ if ( !preg_match( '/^\d{1,4}$/', $_ ) ) {
+ return strrev( (string)preg_replace( '/(\d{3})(?=\d)(?!\d*\.)/', '$1,', strrev( $_ ) ) );
} else {
return $_;
}