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<?php $jsonString = <<<'EOT' { "result":[ { "type":"Residence", "street":"Piazza di Spagna", "city":"-4:0" }, { "type":"Residence", "street":"test", "city":"-4:1" } ] } EOT; $nodeNames = array_keys(json_decode($jsonString, true)['result'][0]); print_r($nodeNames);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Array ( [0] => type [1] => street [2] => city )
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