array ( 0 => array ( 'id' => '617', 'fecha' => '2019-11-02', 'objeto'
 => 'SALE', ), 1 => array ( 'id' => '618', 'fecha' => '2019-10-28', 'objeto' => 'ENTRA', ), 2 => array ( 'id' => '621', 'fecha' =>
 '2019-08-25', 'objeto' => 'SALE', ), 3 => array ( 'id' => '622',
 'fecha' => '2019-08-12', 'objeto' => 'ENTRA', ), 4 => array ( 'id' =>
 '665', 'fecha' => '2019-08-10', 'objeto' => 'SALE', ), )

echo $key = array_search("2019-11-02", array_column($lugar,
 'objeto'));