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UPGRADE-3.0.md

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UPGRADE 2.X TO 3.0

PHP:

Twig:

PHP

Repeat

Itertools\repeat($object, $times) is now only available as a fluent interface like iterable($object)->repeat($object, $times).

Reductions

The first argument of ->reduce() is now a required closure.

Example:

use function Zicht\Itertools\reductions\add;

$myIterable->reduce(add());

becomes:

use Zicht\Itertools\util\Reductions;

$myIterable->reduce(Reductions::add());

Migrations:

| Old     | New                 |
|---------|---------------------|
| add()   | Reductions::add()   |
| chain() | Reductions::chain() |
| join()  | Reductions::join()  |
| max()   | Reductions::max()   |
| min()   | Reductions::min()   |
| mul()   | Reductions::mul()   |
| sub()   | Reductions::sub()   |

Mapping

Example:

use Zicht\Itertools\mappings;
use function Zicht\Itertools\iterable;

iterable($example)->map(length());

becomes:

use \Zicht\Itertools\util\Mappings;
use function Zicht\Itertools\iterable;

iterable($example)->map(Mappings::length());

Migrations:

| Old           | New                    |
|---------------|------------------------|
| cache()       | Mappings::cache()      |
| constant()    | Mappings::constant()   |
| json_decode() | Mappings::jsonEncode() |
| json_encode() | Mappings::jsonDecode() |
| key()         | Mappings::key()        |
| length()      | Mappings::length()     |
| lower()       | Mappings::lower()      |
| lstrip()      | Mappings::lstrip()     |
| random()      | Mappings::random()     |
| rstrip()      | Mappings::rstrip()     |
| select()      | Mappings::select()     |
| string()      | Mappings::string()     |
| strip()       | Mappings::strip()      |
| type()        | Mappings::type()       |
| upper()       | Mappings::upper()      |

Filtering

Example:

use namespace Zicht\Itertools\filters;

not($strategy);

becomes:

use Zicht\Itertools\util\Filters;

Filters::not($strategy);

Migrations:

| Old      | New                         |
|----------|-----------------------------|
| after()  | Filters::after()            |
| before() | Filters::before()           |
| equals() | Filters::equals()           |
| in()     | Filters::in()               |
| match()  | Filters::match()            |
| not()    | Filters::not()              |
| not_in() | Filters::not(Filters::in()) |
| type()   | Filters::type()             |

Twig

Filters

Example:

{{ my_iterable|first }}

becomes:

{{ my_iterable|it.first }}

Migrations:

| Old      | New         |
|----------|-------------|
| all      | it.all      |
| any      | it.any      |
| chain    | it.chain    |
| collapse | it.collapse |
| filter   | it.filter   |
| filterby | it.filter   |
| first    | it.first    |
| groupby  | it.groupBy  |
| groupBy  | it.groupBy  |
| group_by | it.groupBy  |
| last     | it.last     |
| map      | it.map      |
| mapby    | it.mapBy    |
| mapBy    | it.mapBy    |
| map_by   | it.mapBy    |
| reduce   | it.reduce   |
| reversed | it.reversed |
| sorted   | it.sorted   |
| sum      | it.reduce   |
| unique   | it.unique   |
| uniqueby | it.unique   |
| zip      | it.zip      |

Functions

Example:

{{ my_iterable|last }}

becomes:

{{ my_iterable|it.last }}

Migrations:

| Old       | New      |
|-----------|----------|
| chain     | it.chain |
| first     | it.first |
| last      | it.last  |
| reducing  | itr      |
| mapping   | itm      |
| filtering | itf      |