cakephp-2.0 > CakeRequest :: addDetector()
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line:494 at /lib/Cake/Network/CakeRequest.php
Add a new detector to the list of detectors that a request can use. There are several different formats and types of detectors that can be set.


(void) public addDetector ($name, $options)


$name string required The name of the detector.
$options array required The options for the detector definition. See above.




Add a new detector to the list of detectors that a request can use.
There are several different formats and types of detectors that can be set.

### Environment value comparison

An environment value comparison, compares a value fetched from `env()` to a known value
the environment value is equality checked against the provided value.

e.g `addDetector('post', array('env' => 'REQUEST_METHOD', 'value' => 'POST'))`

### Pattern value comparison

Pattern value comparison allows you to compare a value fetched from `env()` to a regular expression.

e.g `addDetector('iphone', array('env' => 'HTTP_USER_AGENT', 'pattern' => '/iPhone/i'));`

### Option based comparison

Option based comparisons use a list of options to create a regular expression. Subsequent calls
to add an already defined options detector will merge the options.

e.g `addDetector('mobile', array('env' => 'HTTP_USER_AGENT', 'options' => array('Fennec')));`

### Callback detectors

Callback detectors allow you to provide a 'callback' type to handle the check. The callback will
receive the request object as its only parameter.

e.g `addDetector('custom', array('callback' => array('SomeClass', 'somemethod')));`

@param string $name The name of the detector.
@param array $options The options for the detector definition. See above.
@return void