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<?php $from_null = (float) null; $from_int = (float) 0; $from_empty_string = (float) ''; $from_numeric_string = (float) '0'; var_dump($from_null === 0.0); // bool(true) var_dump($from_int === 0.0); // bool(true) var_dump($from_empty_string === 0.0 ); // bool(true) var_dump($from_numeric_string === 0.0 ); // bool(true)
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vk3Pc
function name:  (null)
number of ops:  25
compiled vars:  !0 = $from_null, !1 = $from_int, !2 = $from_empty_string, !3 = $from_numeric_string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   CAST                                          5  ~4      null
          1        ASSIGN                                                   !0, ~4
    4     2        CAST                                          5  ~6      0
          3        ASSIGN                                                   !1, ~6
    5     4        CAST                                          5  ~8      ''
          5        ASSIGN                                                   !2, ~8
    6     6        CAST                                          5  ~10     '0'
          7        ASSIGN                                                   !3, ~10
    7     8        INIT_FCALL                                               'var_dump'
          9        IS_IDENTICAL                                     ~12     !0, 0
         10        SEND_VAL                                                 ~12
         11        DO_ICALL                                                 
    8    12        INIT_FCALL                                               'var_dump'
         13        IS_IDENTICAL                                     ~14     !1, 0
         14        SEND_VAL                                                 ~14
         15        DO_ICALL                                                 
    9    16        INIT_FCALL                                               'var_dump'
         17        IS_IDENTICAL                                     ~16     !2, 0
         18        SEND_VAL                                                 ~16
         19        DO_ICALL                                                 
   10    20        INIT_FCALL                                               'var_dump'
         21        IS_IDENTICAL                                     ~18     !3, 0
         22        SEND_VAL                                                 ~18
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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