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<?php $foo = 'foo'; var_dump(!$foo); $foo = '100'; var_dump(!$foo); $foo = '100.00'; var_dump(!$foo);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1jIPg
function name:  (null)
number of ops:  16
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'foo'
    3     1        INIT_FCALL                                               'var_dump'
          2        BOOL_NOT                                         ~2      !0
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    5     5        ASSIGN                                                   !0, '100'
    6     6        INIT_FCALL                                               'var_dump'
          7        BOOL_NOT                                         ~5      !0
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                                 
    8    10        ASSIGN                                                   !0, '100.00'
    9    11        INIT_FCALL                                               'var_dump'
         12        BOOL_NOT                                         ~8      !0
         13        SEND_VAL                                                 ~8
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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