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run code in 150+ php & hhvm versions
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<?php print urlencode(json_encode(array('cbirthdate' => '2014-10-22', 'cbank' => 'NL90INGB0008329245')));
Output for 5.2.0 - 7.1.0
%7B%22cbirthdate%22%3A%222014-10-22%22%2C%22cbank%22%3A%22NL90INGB0008329245%22%7D
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/XQgZh 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/XQgZh 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/XQgZh 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/XQgZh on line 3