note 71919 added to function.number-format

I've discovered that the commas which number_format() inserts as a thousands separators causes math functions to break. Bit of a newbie thing, but it bit me in the ass. eg-- <? $foo = number_format(1234, 2); ?> $foo is now equal to 1,234.00 <? $bar = 23; $result = $foo+$bar; ?> One would think $result == 1,257.00. However, because number_format added a comma to $foo, the expression will not evaluate correctly. Instead, do things in this order: <? $foo=1234; $bar=23; $foobar=number_format($foo+$bar, 2); ?> $foobar is now set to 1,257.00. Another method, if you're fixing code you've already written and don't want to change a huge amount, is to remove the thousands separator, using the appropriate variable to number_format. <? $foo = number_format(1234, 2, '.', ''); $bar = number_format(23, 2, '.', ''); $foobar = number_format($foo+$bar, 2); ?> $foobar will now be set to 1,257.00 ---- Server IP: 64.71.164.2 Probable Submitter: 72.174.26.8 ---- Manual Page -- http://www.php.net/manual/en/function.number-format.php Edit -- https://master.php.net/note/edit/71919 Del: integrated -- https://master.php.net/note/delete/71919/integrated Del: useless -- https://master.php.net/note/delete/71919/useless Del: bad code -- https://master.php.net/note/delete/71919/bad+code Del: spam -- https://master.php.net/note/delete/71919/spam Del: non-english -- https://master.php.net/note/delete/71919/non-english Del: in docs -- https://master.php.net/note/delete/71919/in+docs Del: other reasons-- https://master.php.net/note/delete/71919 Reject -- https://master.php.net/note/reject/71919 Search -- https://master.php.net/manage/user-notes.php