join table with find in cake php code example

Example 1: join cakphp

'joins' => array(
        array(
            'table' => Environment::read('table_prefix') . 'image_type_languages', 
            'alias' => 'language',
            'type' => 'INNER',
            'conditions'=> array(
                'ImageType.id = language.image_type_id',
                'language.alias = \'' . $language . '\'',
            )
        ),
    ),

Example 2: single or cakephp

// ------------------------------------
// ------------ one OR --------------
// ------------------------------------
$conditions = array(
    'OR' => array(
        array( 'MemberRole.school_id' 	=> array()),
        array( 'MemberRole.role_id' 	=> $role),
    );
);

// ------------------------------------
// ------------ multiple OR --------------
// ------------------------------------
 'OR' => array(
   array(
     'MemberRole.school_id' 	=> array(),
     'MemberRole.role_id' 	=> $role,
   ),
   array(
     'MemberRole.school_id' 	=> array(),
     'MemberRole.role_id' 	=>  Environment::read('role.register'),
   ),
   array(
     'MemberRole.school_id' 	=> $school_id,
     'MemberRole.role_id' 	=> Environment::read('role.register'),
   ),
   array(
     'MemberRole.school_id' 	=> $school_id,
     'MemberRole.role_id' 	=> $role
   )
 )