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run code in 300+ PHP versions simultaneously
<?php $json = new stdClass; $arr = []; $arr[0] = "abc"; $arr[1] = "aaa"; $str = 'foo'; $abc = 'bar'; $json->$arr[0] = $arr[1]; echo json_encode($json);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Array to string conversion in /in/DXNni on line 8 {"Array":["aaa"]}
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Array to string conversion in /in/DXNni on line 8 {"Array":["aaa"]}
Output for 7.3.32 - 7.3.33
{"Array":["aaa"]}
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
{"abc":"aaa"}

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