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<?php $a = 'true'; var_dump(empty($a['foo'])); $a = 'false'; var_dump(empty($a['foo']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uoJ2W
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'true'
    4     1        INIT_FCALL                                               'var_dump'
          2        ISSET_ISEMPTY_DIM_OBJ                         1  ~2      !0, 'foo'
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    7     5        ASSIGN                                                   !0, 'false'
    8     6        INIT_FCALL                                               'var_dump'
          7        ISSET_ISEMPTY_DIM_OBJ                         1  ~5      !0, 'foo'
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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