Re: [SMARTY-DEV] Simple math request

On Thu, Apr 15, 2004 at 12:09:21PM +0200, messju mohr wrote: > On Tue, Apr 06, 2004 at 02:33:16PM +0400, Konstantin A. Pelepelin wrote: > > Hi! > > > > {$var-5} works, but {5-$var} or {-$var) doesn't. > > {assign var='var2' value=$var-5} works, but value=5-$var or value=-$var > > doesn't (value=-$var can accidentally work because of string > > interpretation). > > > > Is it possible to implement at least in parameters? hmm, I have this diff against Smarty_Compiler.class.php Index: libs/Smarty_Compiler.class.php =================================================================== RCS file: /repository/smarty/libs/Smarty_Compiler.class.php,v retrieving revision 1.320 diff -u -r1.320 Smarty_Compiler.class.php --- libs/Smarty_Compiler.class.php 16 Apr 2004 10:31:43 -0000 1.320 +++ libs/Smarty_Compiler.class.php 16 Apr 2004 18:47:38 -0000 @@ -115,7 +115,7 @@ $this->_dvar_math_var_regexp = '[\$\w\.\+\-\*\/\%\d\>\[\]]'; $this->_dvar_guts_regexp = '\w+(?:' . $this->_var_bracket_regexp . ')*(?:\.\$?\w+(?:' . $this->_var_bracket_regexp . ')*)*(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?'; - $this->_dvar_regexp = '\$' . $this->_dvar_guts_regexp; + $this->_dvar_regexp = '(?:\$\w|[-+.0-9])' . $this->_dvar_guts_regexp; // matches config vars: // #foo# I only tested it superficially. I'm not sure if it interferes with any current constructs badly. If somebody is interested, please test and give feedback. greetings messju > that'd be nice. unfortunately _parse_var() is an ugly kludge (IMHO - > at least the simple-math related parts are, if not the whole > thing). It wouldn't be easy to add what you request but it would be a > good addition and raise consistency. > > greetings > messju > > > > WBR, > > Konstantin A. Pelepelin > > -- > Smarty Development Mailing List (http://smarty.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php