从函数返回字符串时的神秘空间

Question

Why is there a space at the beginning of the string returned from a function?
The solutions seems easy but I am unable to find the reason.

Code

<cffunction name="getString" returntype="string">
    <cfreturn "hello">
</cffunction>
<cfoutput>  
[#getString()#] = getString()
</cfoutput>

Output

[ hello] = getString()

Answer 1

By default CFML functions will produce output, including whitespace. This can cause unwanted white space. Add output="false" to your function.

<cffunction name="encodeMyPath" returntype="string" output="false">