From 91484a8e7c69ee7f29adc60385f6c5e148960ad4 Mon Sep 17 00:00:00 2001
From: Jorrit Schippers <jorrit@ncode.nl>
Date: Fri, 29 May 2020 14:30:43 +0200
Subject: [PATCH] Implement JsonSerializable to enable automatic conversion to
 array in json_encode

---
 Tests/Unit/EnumerableTest.php | 18 ++++++++++++++++++
 YaLinqo/Enumerable.php        | 16 ++++++++++++++--
 2 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/Tests/Unit/EnumerableTest.php b/Tests/Unit/EnumerableTest.php
index 0334bc8..9a84fc1 100644
--- a/Tests/Unit/EnumerableTest.php
+++ b/Tests/Unit/EnumerableTest.php
@@ -2649,6 +2649,24 @@ function testToString()
             E::from([ [ 0, 1 ], [ 0, 2 ], [ 1, 3 ] ])->select('$v[1]', '$v[0]')->toString(', ', '"$k=$v"'));
     }
 
+    /** @covers \YaLinqo\Enumerable::jsonSerialize
+     */
+    function testJsonSerialize()
+    {
+        $this->assertEquals(
+            [],
+            E::from([])->jsonSerialize());
+        $this->assertEquals(
+            [ 1, 2, 3 ],
+            E::from([ 1, 2, 3 ])->jsonSerialize());
+        $this->assertEquals(
+            [ 1, 'a' => 2, 3 ],
+            E::from([ 1, 'a' => 2, 3 ])->jsonSerialize());
+        $this->assertEquals(
+            [ 1, 2, 6 => [ 7 => [ 'a' => 'a' ], [ 8 => 4, 5 ] ] ],
+            E::from([ 1, 2, 6 => E::from([ 7 => [ 'a' => 'a' ], E::from([ 8 => 4, 5 ]) ]) ])->jsonSerialize());
+    }
+
     #endregion
 
     #region Actions
diff --git a/YaLinqo/Enumerable.php b/YaLinqo/Enumerable.php
index 6ee9899..51c13c3 100644
--- a/YaLinqo/Enumerable.php
+++ b/YaLinqo/Enumerable.php
@@ -18,7 +18,7 @@
  * @see from
  * @package YaLinqo
  */
-class Enumerable implements \IteratorAggregate
+class Enumerable implements \IteratorAggregate, \JsonSerializable
 {
     use EnumerableGeneration;
     use EnumerablePagination;
@@ -1082,6 +1082,18 @@ public function toString(string $separator = '', $valueSelector = null): string
         return implode($separator, $array);
     }
 
+    /**
+     * Alias of toArrayDeep() that enables automatic json serialization when Enumerable is encoded using json_encode().
+     *
+     * @see Enumerable::toArrayDeep
+     * @return array
+     * @package YaLinqo\Conversion
+     */
+    public function jsonSerialize(): array
+    {
+        return $this->toArrayDeep();
+    }
+
     #endregion
 
     #region Actions
@@ -1154,4 +1166,4 @@ public function writeLine($selector = null)
     }
 
     #endregion
-}
\ No newline at end of file
+}