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wp-content/plugins/mailpoet/lib/WP/Readme.php

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+<?php // phpcs:ignore SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing
+
+namespace MailPoet\WP;
+
+if (!defined('ABSPATH')) exit;
+
+
+class Readme {
+  public static function parseChangelog($readmeTxt, $limit = null) {
+    // Extract changelog section of the readme.txt
+    preg_match('/== Changelog ==(.*?)(\n==|$)/is', $readmeTxt, $changelog);
+
+    if (empty($changelog[1])) {
+      return false;
+    }
+
+    // Get changelog entries
+    $entries = preg_split('/\n(?=\=)/', trim($changelog[1]), -1, PREG_SPLIT_NO_EMPTY);
+
+    if (empty($entries)) {
+      return false;
+    }
+
+    $c = 0;
+    $changelog = [];
+
+    foreach ($entries as $entry) {
+      // Locate version header and changes list
+      preg_match('/=(.*?)=(.*)/s', $entry, $parts);
+
+      if (empty($parts[1]) || empty($parts[2])) {
+        return false;
+      }
+
+      $header = trim($parts[1]);
+      $list = trim($parts[2]);
+
+      // Get individual items from the list
+      $list = preg_split('/(^|\n)[\* ]*/', $list, -1, PREG_SPLIT_NO_EMPTY);
+
+      $changelog[] = [
+        'version' => $header,
+        'changes' => $list,
+      ];
+
+      if (++$c == $limit) {
+        break;
+      }
+    }
+
+    return $changelog;
+  }
+}