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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(json_encode(array('test' => kürze)));
Output for 7.2.0 - 7.3.0beta1
Warning: Use of undefined constant kürze - assumed 'kürze' (this will throw an Error in a future version of PHP) in /in/I1tE3 on line 3 string(21) "{"test":"k\u00fcrze"}"
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.21.3, 7.0.0 - 7.1.20
Notice: Use of undefined constant kürze - assumed 'kürze' in /in/I1tE3 on line 3 string(21) "{"test":"k\u00fcrze"}"
Output for hhvm-3.22.0
Notice: Use of undefined constant kürze - assumed 'kürze' in /in/I1tE3 on line -1 string(21) "{"test":"k\u00fcrze"}"