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Support adding to null + less strict array bound check #22

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Support adding to null + less strict array bound check #22

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7 changes: 5 additions & 2 deletions src/JsonPatch.php
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Original file line number Diff line number Diff line change
Expand Up @@ -517,6 +517,10 @@ private static function do_op($doc, $op, $path, $parts, $value,
return $doc;
}

if (null === $doc && ($op == 'add' || $op == 'append')) {
$doc = [];
}

// at target
if (!is_array($doc))
{
Expand All @@ -534,8 +538,7 @@ private static function do_op($doc, $op, $path, $parts, $value,
{
// check range, if numeric
if (self::is_index($part) &&
($part < 0 || (($op == 'remove' && $part >= count($doc))
|| ($op != 'remove' && $part > count($doc)))))
($part < 0 || (($op == 'remove' && $part >= count($doc)))))
{
throw new JsonPatchException("Can't operate outside of array bounds");
}
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