3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode("abc")); var_dump(json_encode("ab\xE0")); var_dump(json_encode("ab\xE0", JSON_PARTIAL_OUTPUT_ON_ERROR)); var_dump(json_encode(array("ab\xE0", "ab\xE0c", "abc"), JSON_PARTIAL_OUTPUT_ON_ERROR));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(5) ""abc"" bool(false) string(4) "null" string(17) "[null,null,"abc"]"
Output for 5.3.0 - 5.3.13, 5.3.15 - 5.3.29, 5.4.0 - 5.4.45
string(5) ""abc"" string(4) "null" Notice: Use of undefined constant JSON_PARTIAL_OUTPUT_ON_ERROR - assumed 'JSON_PARTIAL_OUTPUT_ON_ERROR' in /in/eUssM on line 4 Warning: json_encode() expects parameter 2 to be long, string given in /in/eUssM on line 4 NULL Notice: Use of undefined constant JSON_PARTIAL_OUTPUT_ON_ERROR - assumed 'JSON_PARTIAL_OUTPUT_ON_ERROR' in /in/eUssM on line 5 Warning: json_encode() expects parameter 2 to be long, string given in /in/eUssM on line 5 NULL
Output for 5.3.14
string(5) ""abc"" Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/eUssM on line 3 bool(false) Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/eUssM on line 4 string(4) "null" Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/eUssM on line 5 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/eUssM on line 5 string(17) "[null,null,"abc"]"
Output for 5.2.7 - 5.2.17
string(5) ""abc"" string(4) "null" Notice: Use of undefined constant JSON_PARTIAL_OUTPUT_ON_ERROR - assumed 'JSON_PARTIAL_OUTPUT_ON_ERROR' in /in/eUssM on line 4 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/eUssM on line 4 NULL Notice: Use of undefined constant JSON_PARTIAL_OUTPUT_ON_ERROR - assumed 'JSON_PARTIAL_OUTPUT_ON_ERROR' in /in/eUssM on line 5 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/eUssM on line 5 NULL
Output for 5.2.0 - 5.2.6
string(5) ""abc"" string(4) ""ab"" Notice: Use of undefined constant JSON_PARTIAL_OUTPUT_ON_ERROR - assumed 'JSON_PARTIAL_OUTPUT_ON_ERROR' in /in/eUssM on line 4 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/eUssM on line 4 NULL Notice: Use of undefined constant JSON_PARTIAL_OUTPUT_ON_ERROR - assumed 'JSON_PARTIAL_OUTPUT_ON_ERROR' in /in/eUssM on line 5 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/eUssM on line 5 NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/eUssM 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/eUssM 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/eUssM on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/eUssM on line 2
preferences:
289.06 ms | 401 KiB | 460 Q