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Implement JsonSerializable to enable automatic conversion to array in json_encode #50

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Implement JsonSerializable to enable automatic conversion to array in json_encode #50

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18 changes: 18 additions & 0 deletions Tests/Unit/EnumerableTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down
16 changes: 14 additions & 2 deletions YaLinqo/Enumerable.php
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@
* @see from
* @package YaLinqo
*/
class Enumerable implements \IteratorAggregate
class Enumerable implements \IteratorAggregate, \JsonSerializable
{
use EnumerableGeneration;
use EnumerablePagination;
Expand Down Expand Up @@ -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
Expand Down Expand Up @@ -1154,4 +1166,4 @@ public function writeLine($selector = null)
}

#endregion
}
}