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run code in 150+ php & hhvm versions
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<?php $values = array( 123456, '123456', '123e456' ); foreach($values as $value){ echo json_encode($value, JSON_NUMERIC_CHECK)." \n"; }
based on ZZq6b
Output for 5.5.23 - 5.5.38, 5.6.7 - 5.6.28, 7.0.0 - 7.1.0
123456 123456 "123e456"
Output for 5.5.0 - 5.5.22, 5.6.0 - 5.6.6, hhvm-3.10.0 - 3.12.0
123456 123456
Output for 5.3.3 - 5.4.45
123456 123456 Warning: json_encode(): double INF does not conform to the JSON spec, encoded as 0 in /in/JJ3Na on line 10 0
Output for 5.3.0 - 5.3.2
Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/JJ3Na on line 10 Warning: json_encode() expects parameter 2 to be long, string given in /in/JJ3Na on line 10 Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/JJ3Na on line 10 Warning: json_encode() expects parameter 2 to be long, string given in /in/JJ3Na on line 10 Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/JJ3Na on line 10 Warning: json_encode() expects parameter 2 to be long, string given in /in/JJ3Na on line 10
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/JJ3Na on line 10 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/JJ3Na on line 10 Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/JJ3Na on line 10 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/JJ3Na on line 10 Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/JJ3Na on line 10 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/JJ3Na on line 10
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/JJ3Na on line 10
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/JJ3Na on line 10
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/JJ3Na on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/JJ3Na on line 10