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wp-content/plugins/mailpoet/lib/Captcha/CaptchaPhrase.php

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+<?php declare(strict_types = 1);
+
+namespace MailPoet\Captcha;
+
+if (!defined('ABSPATH')) exit;
+
+
+use MailPoetVendor\Gregwar\Captcha\PhraseBuilder;
+
+class CaptchaPhrase {
+  private CaptchaSession $session;
+  private PhraseBuilder $phraseBuilder;
+
+  public function __construct(
+    CaptchaSession $session,
+    PhraseBuilder $phraseBuilder = null
+  ) {
+    $this->session = $session;
+    $this->phraseBuilder = $phraseBuilder ?? new PhraseBuilder();
+  }
+
+  public function createPhrase(string $sessionId): string {
+    $storage = ['phrase' => $this->phraseBuilder->build()];
+    $this->session->setCaptchaHash($sessionId, $storage);
+    return $storage['phrase'];
+  }
+
+  public function getPhrase(string $sessionId): ?string {
+    $storage = $this->session->getCaptchaHash($sessionId);
+    return (isset($storage['phrase']) && is_string($storage['phrase'])) ? $storage['phrase'] : null;
+  }
+}