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<?php // Everything you enter here will be executed by our servers. Try it! print array_key_exists(0, []) === 1;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uep9C
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ARRAY_KEY_EXISTS                                 ~0      0, <array>
          1        IS_IDENTICAL                                     ~1      ~0, 1
          2        ECHO                                                     ~1
          3      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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