Use internal array_find_key impl

Author: mrook

tests/Phing/Test/Task/Optional/WikiPublishTaskTest.php

@@ -24,17 +24,44 @@
 use Phing\Task\Ext\WikiPublishTask;
 use Phing\Test\Support\BuildFileTest;
 use PHPUnit\Framework\MockObject\MockObject;
-use function array_find_key;
 
 /**
  * WikiPublish task test.
  *
  * @author  Piotr Lewandowski <piotr@cassis.pl>
  *
  * @internal
+ * @phpcs:disable PSR1.Methods.CamelCapsMethodName.NotCamelCaps
  */
 class WikiPublishTaskTest extends BuildFileTest
 {
+    /**
+     * Returns the KEY of the first element for which the $callback
+     *  returns TRUE. If no matching element is found the function
+     *  returns NULL.
+     *
+     * @param array $array The array that should be searched.
+     * @param callable $callback The callback function to call to check
+     *  each element. The first parameter contains the value ($value),
+     *  the second parameter contains the corresponding key ($key). If
+     *  this function returns TRUE, the key ($key) is returned
+     *  immediately and the callback will not be called for further
+     *  elements.
+     *
+     * @return mixed The key of the first element for which the
+     *  $callback returns TRUE. NULL, If no matching element is found.
+     */
+    private function array_find_key(array $array, callable $callback)
+    {
+        foreach ($array as $key => $value) {
+            if ($callback($value, $key)) {
+                return $key;
+            }
+        }
+
+        return null;
+    }
+
     public function testApiEdit(): void
     {
         $task = $this->getWikiPublishMock();
@@ -63,7 +90,7 @@ public function testApiEdit(): void
         $task->expects($this->exactly(count($callParams)))
             ->method('callApi')
             ->willReturnCallback(function (string $action, array|null $args) use ($callParams, $returnResults): array {
-                $index = array_find_key($callParams, function (array $value) use ($action, $args): bool {
+                $index = $this->array_find_key($callParams, function (array $value) use ($action, $args): bool {
                     return $value[0] === $action && ($value[1] ?? null) === $args;
                 });
                 if (isset($callParams[$index])) {