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run code in 300+ PHP versions simultaneously
<?php $json_str = <<<TEXT { "Example": { "ExampleOne": { "rate": "0" }, "ExampleTwo": { "rate": "0" }, "ExampleThree": { "rate": "0" } } } TEXT; $json = json_decode($json_str, true); $keys = array_keys($json['Example']); print_r($keys);
Output for 7.2.0 - 7.2.31, 7.3.0 - 7.3.19, 7.4.0 - 7.4.7, 8.0.0alpha1 - alpha2
Array ( [0] => ExampleOne [1] => ExampleTwo [2] => ExampleThree )