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<?php $test = '0'; var_dump($test === (0|'0')); var_dump($test == 0); var_dump($test == '0'); var_dump($test === (0||'0')); var_dump(!!($test === 0||$test === '0'));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 20, Position 2 = 22
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 22
filename:       /in/n7fuX
function name:  (null)
number of ops:  27
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '0'
    3     1        INIT_FCALL                                               'var_dump'
          2        IS_IDENTICAL                                     ~2      !0, 0
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    4     5        INIT_FCALL                                               'var_dump'
          6        IS_EQUAL                                         ~4      !0, 0
          7        SEND_VAL                                                 ~4
          8        DO_ICALL                                                 
    5     9        INIT_FCALL                                               'var_dump'
         10        IS_EQUAL                                         ~6      !0, '0'
         11        SEND_VAL                                                 ~6
         12        DO_ICALL                                                 
    6    13        INIT_FCALL                                               'var_dump'
         14        TYPE_CHECK                                    4  ~8      !0
         15        SEND_VAL                                                 ~8
         16        DO_ICALL                                                 
    7    17        INIT_FCALL                                               'var_dump'
         18        IS_IDENTICAL                                     ~10     !0, 0
         19      > JMPNZ_EX                                         ~10     ~10, ->22
         20    >   IS_IDENTICAL                                     ~11     !0, '0'
         21        BOOL                                             ~10     ~11
         22    >   BOOL_NOT                                         ~12     ~10
         23        BOOL_NOT                                         ~13     ~12
         24        SEND_VAL                                                 ~13
         25        DO_ICALL                                                 
         26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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