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<?php
declare(strict_types=1);
namespace Doctrine\Inflector\Rules;
use Doctrine\Inflector\WordInflector;
use function strtolower;
use function strtoupper;
use function substr;
class Substitutions implements WordInflector
{
/** @var Substitution[] */
private $substitutions;
public function __construct(Substitution ...$substitutions)
foreach ($substitutions as $substitution) {
$this->substitutions[$substitution->getFrom()->getWord()] = $substitution;
}
public function getFlippedSubstitutions() : Substitutions
$substitutions = [];
foreach ($this->substitutions as $substitution) {
$substitutions[] = new Substitution(
$substitution->getTo(),
$substitution->getFrom()
);
return new Substitutions(...$substitutions);
public function inflect(string $word) : string
$lowerWord = strtolower($word);
if (isset($this->substitutions[$lowerWord])) {
$firstLetterUppercase = $lowerWord[0] !== $word[0];
$toWord = $this->substitutions[$lowerWord]->getTo()->getWord();
if ($firstLetterUppercase) {
return strtoupper($toWord[0]) . substr($toWord, 1);
return $toWord;
return $word;
doctrine /
inflector
