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<?php $f = 5.0; $a = [5 => 'hello']; if (isset($a[$f])) { var_dump($f); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/9Sv5F
function name:  (null)
number of ops:  8
compiled vars:  !0 = $f, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 5
    4     1        ASSIGN                                                   !1, <array>
    5     2        ISSET_ISEMPTY_DIM_OBJ                         0          !1, !0
          3      > JMPZ                                                     ~4, ->7
    6     4    >   INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
    7     7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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