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<?php $array = array( "test" => 123, "test2" => 345, "text3" => array("awesome") ); $a = json_encode($array, JSON_UNESCAPED_UNICODE); $b = json_decode($a, JSON_UNESCAPED_UNICODE); echo "<pre>"; print_r($array, true); print_r($b, true);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant " JSON_UNESCAPED_UNICODE" in /in/9QcdP:9 Stack trace: #0 {main} thrown in /in/9QcdP on line 9
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant  JSON_UNESCAPED_UNICODE - assumed ' JSON_UNESCAPED_UNICODE' (this will throw an Error in a future version of PHP) in /in/9QcdP on line 9 Warning: json_encode() expects parameter 2 to be int, string given in /in/9QcdP on line 9 Warning: Use of undefined constant  JSON_UNESCAPED_UNICODE - assumed ' JSON_UNESCAPED_UNICODE' (this will throw an Error in a future version of PHP) in /in/9QcdP on line 10 <pre>
Output for 7.2.0 - 7.2.33
Warning: Use of undefined constant  JSON_UNESCAPED_UNICODE - assumed ' JSON_UNESCAPED_UNICODE' (this will throw an Error in a future version of PHP) in /in/9QcdP on line 9 Warning: json_encode() expects parameter 2 to be integer, string given in /in/9QcdP on line 9 Warning: Use of undefined constant  JSON_UNESCAPED_UNICODE - assumed ' JSON_UNESCAPED_UNICODE' (this will throw an Error in a future version of PHP) in /in/9QcdP on line 10 <pre>
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25
Notice: Use of undefined constant  JSON_UNESCAPED_UNICODE - assumed ' JSON_UNESCAPED_UNICODE' in /in/9QcdP on line 9 Warning: json_encode() expects parameter 2 to be integer, string given in /in/9QcdP on line 9 Notice: Use of undefined constant  JSON_UNESCAPED_UNICODE - assumed ' JSON_UNESCAPED_UNICODE' in /in/9QcdP on line 10 <pre>
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Notice: Use of undefined constant  JSON_UNESCAPED_UNICODE - assumed ' JSON_UNESCAPED_UNICODE' in /in/9QcdP on line 9 Warning: json_encode() expects parameter 2 to be long, string given in /in/9QcdP on line 9 Notice: Use of undefined constant  JSON_UNESCAPED_UNICODE - assumed ' JSON_UNESCAPED_UNICODE' in /in/9QcdP on line 10 <pre>
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant  JSON_UNESCAPED_UNICODE - assumed ' JSON_UNESCAPED_UNICODE' in /in/9QcdP on line 9 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/9QcdP on line 9 Notice: Use of undefined constant  JSON_UNESCAPED_UNICODE - assumed ' JSON_UNESCAPED_UNICODE' in /in/9QcdP on line 10 <pre>
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/9QcdP on line 9
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/9QcdP on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/9QcdP on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/9QcdP on line 9

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