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<?php $a = ''; $b = null; $c = false; var_dump('' === $a, '' === $b, '' === $c, empty($b), empty($c));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/E6qS4
function name:  (null)
number of ops:  16
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, ''
    4     1        ASSIGN                                                   !1, null
    5     2        ASSIGN                                                   !2, <false>
    7     3        INIT_FCALL                                               'var_dump'
          4        IS_IDENTICAL                                     ~6      !0, ''
          5        SEND_VAL                                                 ~6
          6        IS_IDENTICAL                                     ~7      !1, ''
          7        SEND_VAL                                                 ~7
          8        IS_IDENTICAL                                     ~8      !2, ''
          9        SEND_VAL                                                 ~8
         10        ISSET_ISEMPTY_CV                                 ~9      !1
         11        SEND_VAL                                                 ~9
         12        ISSET_ISEMPTY_CV                                 ~10     !2
         13        SEND_VAL                                                 ~10
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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