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<?php $ary = [ 'foo' => 'a', 'bar' => 'b', 'baz' => 'c' ]; if (array_key_exists('bar', $ary)) { print 'exists'; } else { print 'does not exist'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Cf0Yg
function name:  (null)
number of ops:  7
compiled vars:  !0 = $ary
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ARRAY_KEY_EXISTS                                         'bar', !0
          2      > JMPZ                                                     ~2, ->5
          3    >   ECHO                                                     'exists'
          4      > JMP                                                      ->6
          5    >   ECHO                                                     'does+not+exist'
          6    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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