1.Tools->New Snippet->
<snippet>
<content><![CDATA[${1:public }function ${2:FunctionName}(${3:$${4:value}${5:=''}})
{
${0:# code...}
}]]></content>
<tabTrigger>fun</tabTrigger>
<scope>source.php|*.* | source.js</scope>
<description>function …</description>
</snippet>