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<?php var_export(filter_var("0", FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE)); var_export(filter_var("+0", FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE)); var_export(filter_var("-0", FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/N4kPX
function name:  (null)
number of ops:  25
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_export'
          1        INIT_FCALL                                               'filter_var'
          2        SEND_VAL                                                 '0'
          3        SEND_VAL                                                 258
          4        SEND_VAL                                                 134217728
          5        DO_ICALL                                         $0      
          6        SEND_VAR                                                 $0
          7        DO_ICALL                                                 
    4     8        INIT_FCALL                                               'var_export'
          9        INIT_FCALL                                               'filter_var'
         10        SEND_VAL                                                 '%2B0'
         11        SEND_VAL                                                 258
         12        SEND_VAL                                                 134217728
         13        DO_ICALL                                         $2      
         14        SEND_VAR                                                 $2
         15        DO_ICALL                                                 
    5    16        INIT_FCALL                                               'var_export'
         17        INIT_FCALL                                               'filter_var'
         18        SEND_VAL                                                 '-0'
         19        SEND_VAL                                                 258
         20        SEND_VAL                                                 134217728
         21        DO_ICALL                                         $4      
         22        SEND_VAR                                                 $4
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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