To fetch a value from a map for a given key:

Use the [map->find] method. The following example retrieves the value for the key 'blue' from a map of colour names to HTML color codes.

Code

var (colours = map( 'red'='#ff0000',
                     'green' = '#00ff00',
                     'blue' = '#0000ff',
                     'grey' = '#aaaaaa') )

$colours->find('blue')

Result

#0000ff