g_arg

Gets query argument value for current node's query

g_arg('tag') => 'help' for http://www.myserver.com/doc?tag=search

string g_arg( [string $key = false, mixed $default = false] )

Parameters

• string $key Argument name
• mixed $default Default value to return if the specified argument does not exist in the query

Returns

• string Value of specified argument, or default value if it does not exist