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<?php $str = 'foo'; $arr = array('f', 'o', 'o'); var_dump($str !== (array) $str);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/rZMfH
function name:  (null)
number of ops:  8
compiled vars:  !0 = $str, !1 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'foo'
    4     1        ASSIGN                                                   !1, <array>
    6     2        INIT_FCALL                                               'var_dump'
          3        CAST                                          7  ~4      !0
          4        IS_NOT_IDENTICAL                                 ~5      !0, ~4
          5        SEND_VAL                                                 ~5
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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