<?php

use Budgegeria\IntlSort\Builder;

$array = ['àb', 'aB', 'a', 'ab', 'a-b'];

// Primary Strength
// Ignore accents and case
$sortBuilder = new Builder('en_US');
$sorter = $sortBuilder->primaryStrength()
    ->getSorter();

dump($sorter->sort($array));

// Secondary Strength
// Ignore case, consider accents
$sortBuilder = new Builder('en_US');
$sorter = $sortBuilder->secondaryStrength()
    ->getSorter();

dump($sorter->sort($array));

// Tertiary Strength
// Consider accents and case
$sortBuilder = new Builder('en_US');
$sorter = $sortBuilder->tertiaryStrength()
    ->getSorter();

dump($sorter->sort($array));

// Tertiary Strength
// but a-b is considered similar to ab
$sortBuilder = new Builder('en_US');
$sorter = $sortBuilder->tertiaryStrength()
    ->shiftedAlternateHandling()
    ->getSorter();

dump($sorter->sort($array));


^ array:5 [

  2 => "a"

  4 => "a-b"

  0 => "àb"

  1 => "aB"

  3 => "ab"

]

^ array:5 [

  2 => "a"

  4 => "a-b"

  1 => "aB"

  3 => "ab"

  0 => "àb"

]

^ array:5 [

  2 => "a"

  4 => "a-b"

  3 => "ab"

  1 => "aB"

  0 => "àb"

]

^ array:5 [

  2 => "a"

  3 => "ab"

  4 => "a-b"

  1 => "aB"

  0 => "àb"

]

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