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<?php echo '{"html":true,"data":'.json_encode(array('ab'=>2,'cd'=>3)).'}'; echo '\r\t'; echo json_encode(array('html'=>true,'data'=>array('ab'=>2,'cd'=>3)));
based on uF8H0
Output for 5.2.0 - 7.3.1
{"html":true,"data":{"ab":2,"cd":3}}\r\t{"html":true,"data":{"ab":2,"cd":3}}
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/SRY0e 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/SRY0e on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/SRY0e 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/SRY0e on line 2