数组（Working with Arrays）

    函数名
    phalcon_array_isset
    phalcon_array_fetch
    phalcon_array_isset_fetch
    phalcon_array_update
    phalcon_array_append
    phalcon_array_unset

    Mixing both string and number indexes:

    1. // Let's create the following array using the Phalcon API
    2. // $fruits = array(1, null, false, "some string", 15.20, "my-index" => "another string");
    3.  
    4. add_next_index_long(&fruits, 1);
    5. add_next_index_null(&fruits);
    6. add_next_index_bool(&fruits, 0);
    7. add_next_index_stringl(&fruits, SL("some string"));
    8. add_next_index_double(&fruits, 15.2);
    9. add_assoc_stringl_ex(&fruits, SL("my-index")+1, SL("another string"));
    10. // Updating an existing index $fruits[2] = "other value";
    11. phalcon_array_update_long_string(&fruits, 2, SL("other value"), PH_SEPARATE);
    12.  
    13. // Removing an existing index unset($fruits[1]);
    14. phalcon_array_unset_long(fruits, 1);
    15.  
    16. phalcon_array_unset_string(fruits, SL("my-index")+1);