There are two ways to get filter parameters. One is by using straight forward get (query string) parameters and the other is by using key/value based url structure. In this sense the following two uri’s are the same:
With the exception of a few (predefined keys) all is permitted.
Filter parameters are parsed in a way that they are immediatly casted to the right data type. Currently this applies to strings, integers, floats, booleans and arrays.
Within a module you can get all current filter parameters by using (returns an array):
$filters = $this->getFilterParameters();
The following operators are supported:
Greater than or equal
Less than or equal
Internally, the value of parameters are checked and, when possible, cast to the right datatype.
The following examples apply:
|array||item1|value2|thing3||String with | characters are cast to array|
|integer||42||Strings which are numeric are cast to an integer|
|float||42.24||Strings which are floating point decimals are cast to a floating point decimal|
|boolean||true||If a parameter is “true” or “false” it is cast as a boolean|
|string||“A lot of characters, with maybe a |”||Strings with a ” as the first and last character are always cast as a string, even when the array divider | is used.|
|default||Just a bunch of characters||Default behavior is to cast as string.|