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✏️ Editing: Plural.php

<?php

namespace WPML\ST\MO;

class Plural implements \IWPML_Backend_Action, \IWPML_Frontend_Action {

public function add_hooks() {
		add_filter( 'ngettext', [ $this, 'handle_plural' ], 9, 5 );
		add_filter( 'ngettext_with_context', [ $this, 'handle_plural_with_context' ], 9, 6 );
	}

/**
	 * @param string $translation Translated text.
	 * @param string $single      The text to be used if the number is singular.
	 * @param string $plural      The text to be used if the number is plural.
	 * @param string $number      The number to compare against to use either the singular or plural form.
	 * @param string $domain      Text domain. Unique identifier for retrieving translated strings.
	 *
	 * @return string
	 */
	public function handle_plural( $translation, $single, $plural, $number, $domain ) {
		return $this->get_translation( $translation, $single, $plural, $number, function ( $original ) use ( $domain ) {
			return __( $original, $domain );
		} );
	}

/**
	 * @param string $translation Translated text.
	 * @param string $single      The text to be used if the number is singular.
	 * @param string $plural      The text to be used if the number is plural.
	 * @param string $number      The number to compare against to use either the singular or plural form.
	 * @param string $context     Context information for the translators.
	 * @param string $domain      Text domain. Unique identifier for retrieving translated strings.
	 *
	 * @return string
	 */
	public function handle_plural_with_context( $translation, $single, $plural, $number, $context, $domain ) {
		return $this->get_translation( $translation, $single, $plural, $number,
			function ( $original ) use ( $domain, $context ) {
				return _x( $original, $context, $domain );
			} );
	}

private function get_translation( $translation, $single, $plural, $number, $callback ) {
		$original = (int) $number === 1 ? $single : $plural;

$possible_translation = $callback( $original );

if ( $possible_translation !== $original ) {
			return $possible_translation;
		}

return $translation;
	}

}

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