Hi, Maybe it goes way to far, but there is a PECL-extension [1], that allows to overload every(?) operator. However, it seems to be unmaintained for 6 years now and will probably not work anymore, but it may be usable as a starting point. Python provides this too [2]
Regards, Sebastian [1] http://pecl.php.net/package/operator [2] http://docs.python.org/2/reference/datamodel.html#special-method-names 2012/11/9 Christian Stoller <stol...@leonex.de> > I would like to place a suggestion for comparing objects (I hope it is no > problem, because this does not have anything to do with Sara's question - > but it came to my mind when I read her mail). It would be a great feature > if objects could be compared to other objects with ">", "<" and the other > operators, like it is suggested in RFC https://wiki.php.net/rfc/comparable > The DateTime class offers this feature - it would be nice if this could be > made usable for userland classes/objects, too. > > Best regards > > Christian Stoller > > > -----Original Message----- > From: p...@golemon.com [mailto:p...@golemon.com] On Behalf Of Sara Golemon > Sent: Friday, November 09, 2012 1:07 AM > To: PHP internals > Subject: [PHP-DEV] Object comparison > > From: http://php.net/manual/en/language.operators.comparison.php > > An object compared to anything which is not a bool, null, or object > should result in the object appearing to be greater than the other > operand. For example: > > $a = new stdClass(); > $b = new stdClass(); > > var_dump(null < $a); > var_dump(false < $a); > var_dump(true == $a); > var_dump($a == $b); > var_dump(0 < $a); > var_dump(1 < $a); // false > var_dump(2 < $a); // false > var_dump("foo" < $a); > var_dump("2" < $a); > var_dump(tmpfile() < $a); > > Based on docs, I expect all nine of these to yield true, however in > practice, the two marked "false" come out as false because the RHS > object is converted to an integer (1), contrary to the docs. > > Doc bug? Or code bug? I'm inclined to call it a code bug, but wanted > others' thoughts. > > -Sara > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > > > > -- github.com/KingCrunch
