3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $structure = array( 'id' => 11231, 'message' => "Hello!", 'num_str' => "3", 'num_int' => 3, 'num_float' => 3.0, 'num_big' => 2123123154123341223341562341238712389712331123231123123123121331231, ); $options = 0; if (version_compare(PHP_VERSION, '5.4.0') >= 0) { $options = $options | JSON_PRETTY_PRINT | JSON_NUMERIC_CHECK; } var_dump(json_encode($structure, $options));
Output for 7.1.0
string(138) "{ "id": 11231, "message": "Hello!", "num_str": 3, "num_int": 3, "num_float": 3, "num_big": 2.123123154123341e+66 }"
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
string(136) "{ "id": 11231, "message": "Hello!", "num_str": 3, "num_int": 3, "num_float": 3, "num_big": 2.1231231541233e+66 }"
Output for 5.3.0 - 5.3.29
string(101) "{"id":11231,"message":"Hello!","num_str":"3","num_int":3,"num_float":3,"num_big":2.1231231541233e+66}"
Output for 5.2.0 - 5.2.17
Warning: json_encode() expects exactly 1 parameter, 2 given in /in/DLvEc on line 18 NULL
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/DLvEc on line 18
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/DLvEc on line 18
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/DLvEc on line 18
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/DLvEc on line 18