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run code in 150+ php & hhvm versions
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<?php echo json_encode(array ( 0 => array ( 'code' => 'MT01', 'name' => 'Test market 1', ), 1 => array ( 'code' => 'MT02', 'name' => 'Test market 2', ), ));
based on BsthN
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
[{"code":"MT01","name":"Test market 1"},{"code":"MT02","name":"Test market 2"}]
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/B4CY8 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/B4CY8 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/B4CY8 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/B4CY8 on line 3