# Interface ArrayAccess

#### Direct known implementers

ArrayObject

#### Indirect known implementers

Sidecar_Form_Settings, Sidecar_Plugin_Settings, Sidecar_Settings_Base
PHP Extension: Core
Documented at php.net

Methods summary
`public` | # `offsetExists( mixed $offset )`
`public` | # `offsetGet( mixed $offset )`
`public` | # `offsetSet( mixed $offset, mixed $value )`
`public` | # `offsetUnset( mixed $offset )`