Math can be applied directly to variable values.
数学运算可以直接应用到变量
Example 3-5. math examples
例 3-5.数学运算的例子
{$foo+1} {$foo*$bar} {* some more complicated examples *} {$foo->bar-$bar[1]*$baz->foo->bar()-3*7} {if ($foo+$bar.test%$baz*134232+10+$b+10)} {$foo|truncate:"`$fooTruncCount/$barTruncFactor-1`"} {assign var="foo" value="`$foo+$bar`"}
Embedding Vars in Double Quotes
[双引号里值的嵌入]
Variables
[变量]