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<?php echo json_encode(array(1=>2,3=>'4'),JSON_NUMERIC_CHECK); echo json_encode(array(1=>2,3=>'4'));
Output for 5.3.3 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.30, 7.4.0 - 7.4.23, 8.0.0 - 8.0.10, 8.1rc1 - rc2
{"1":2,"3":4}{"1":2,"3":"4"}
Output for 5.3.0 - 5.3.2
Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/BNHC9 on line 2 Warning: json_encode() expects parameter 2 to be long, string given in /in/BNHC9 on line 2 {"1":2,"3":"4"}
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/BNHC9 on line 2 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/BNHC9 on line 2 {"1":2,"3":"4"}
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/BNHC9 on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/BNHC9 on line 2
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/BNHC9 on line 2
Process exited with code 255.
Output for 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/BNHC9 on line 2

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