feat(doc): add flatten() to README

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Victor Westerlund 2023-11-02 10:35:41 +01:00 committed by GitHub
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@ -90,6 +90,24 @@ $beverages = $db->for("beverages")->select(["beverage_name", "beverage_size"]);
] ]
``` ```
## Flatten array to single dimension
If you don't want an array of arrays and would instead like to access each key value pair directly. Chain the `MySQL->flatten()` anywhere before `MySQL->select()`.
This will return the key value pairs of the first entry directly.
> **Note**
> This method will not set `LIMIT 1` for you. It is recommended to chain `MySQL->limit(1)` anywhere before `MySQL->select()`. [You can read more about it here](https://github.com/VictorWesterlund/php-libmysqldriver/issues/14)
```php
$coffee = $db->for("beverages")->limit(1)->flatten()->select(["beverage_name", "beverage_size"]); // SELECT beverage_name, beverage_size FROM beverages WHERE beverage_type = "coffee" LIMIT 1
```
```php
[
"beverage_name" => "cappuccino",
"beverage_size" => 10
]
```
# INSERT # INSERT
Use `MySQL->insert()` to append a new row to a database table Use `MySQL->insert()` to append a new row to a database table
@ -227,7 +245,7 @@ $coffee = $db->for("beverages")->order(["beverage_name" => "ASC"])->select(["bev
Chain the `limit()` method before a `select()` statement to limit the amount of columns returned Chain the `limit()` method before a `select()` statement to limit the amount of columns returned
> **Note** > **Note**
> Passing (int) `1` will flatten the returned array from a `select()` statement to two dimensions (k => v) > You can also flatten to a single dimensional array from the first entity by chaining [`MySQL->flatten()`](#flatten-array-to-single-dimension)
## Passing an integer to LIMIT ## Passing an integer to LIMIT
This will simply `LIMIT` the results returned to the integer passed This will simply `LIMIT` the results returned to the integer passed
@ -237,8 +255,10 @@ $coffee = $db->for("beverages")->limit(1)->select(["beverage_name", "beverage_si
``` ```
```php ```php
[ [
[
"beverage_name" => "cappuccino", "beverage_name" => "cappuccino",
"beverage_size" => 10 "beverage_size" => 10
]
] ]
``` ```