note 110264 added to function.preg-replace

From: Date: Fri, 05 Oct 2012 21:57:20 +0000
Subject: note 110264 added to function.preg-replace
Groups: php.notes 
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function _n($a) { return eval("echo ".preg_replace("/([^\d+\-*.\\\(\) ])/","", str_replace(array("0(","1(","2(","3(","4(","5(","6(","7(","8(","9("), array("0*(","1*(","2*(","3*(","4*(","5*(","6*(","7*(","8*(","9*("),"$a")).";"); } a simple and very bad function to make math calculus from a string, plus it supports things like 3(6)+0(9); echo _n("2(1)-5+1(3)"); //returns 0 cause 2*1-5+1*3 = 2-5+3 = 2+3-5 = 5-5 = 0 i hope someone finds this usefull... by the way: optimization is required for this to work better, like a good regex, that i had a bunch of troubles... ---- Server IP: 194.8.30.16 Probable Submitter: 85.240.223.178 ---- Manual Page -- http://www.php.net/manual/en/function.preg-replace.php Edit -- https://master.php.net/note/edit/110264 Del: integrated -- https://master.php.net/note/delete/110264/integrated Del: useless -- https://master.php.net/note/delete/110264/useless Del: bad code -- https://master.php.net/note/delete/110264/bad+code Del: spam -- https://master.php.net/note/delete/110264/spam Del: non-english -- https://master.php.net/note/delete/110264/non-english Del: in docs -- https://master.php.net/note/delete/110264/in+docs Del: other reasons-- https://master.php.net/note/delete/110264 Reject -- https://master.php.net/note/reject/110264 Search -- https://master.php.net/manage/user-notes.php

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