Twig pluralize filter

README.md

Usage

Two parameters, singular and plural text

Value: 0, show "You have 0 apple."

{% set apples = 0 %} {{ apples|pluralize('You have {} apple.', 'You have {} apples.') }}

Value: 1, show "You have 1 apple."

{% set apples = 0 %} {{ apples|pluralize('You have {} apple.', 'You have {} apples.') }}

Value: 2, show "You have 2 apples."

{% set apples = 0 %} {{ apples|pluralize('You have {} apple.', 'You have {} apples.') }}

Three parameters, singular, plural and zero text

Value: 0, show "You don't have an apple."

{% set apples = 0 %} {{ apples|pluralize('You have only one apple.', 'You have {} apples.', 'You don\'t have an apple.') }}

Value: 1, show "You have only one apple."

{% set apples = 0 %} {{ apples|pluralize('You have only one apple.', 'You have {} apples.', 'You don\'t have an apple.') }}

Value: 2, show "You have 2 apples."

{% set apples = 0 %} {{ apples|pluralize('You have only one apple.', 'You have {} apples.', 'You don\'t have an apple.') }}

AppExtension.php

<?php

namespace App\Twig;

use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;

class AppExtension extends AbstractExtension
{
  public function getFilters(): array
  {
    return [
      new TwigFilter('pluralize', [$this, 'pluralize'])
    ];
  }

  public function pluralize(int $count, string $singular, string $plural, string $zero = null): string
  {
    if ($count > 1){
      return str_replace('{}', $count, $plural);
    } else if ($count <= 0 && null !== $zero){
      return $zero; // No string replacement required for zero
    }
    return str_replace('{}', $count, $singular);
  }
}

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