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<?php var_export(filter_var("0", FILTER_VALIDATE_INT)); echo "\n"; var_export(filter_var("+1", FILTER_VALIDATE_INT)); echo "\n"; var_export(filter_var("-1", FILTER_VALIDATE_INT));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OlV3m
function name:  (null)
number of ops:  24
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                                                 257
          4        DO_ICALL                                         $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
    4     7        ECHO                                                     '%0A'
    5     8        INIT_FCALL                                               'var_export'
          9        INIT_FCALL                                               'filter_var'
         10        SEND_VAL                                                 '%2B1'
         11        SEND_VAL                                                 257
         12        DO_ICALL                                         $2      
         13        SEND_VAR                                                 $2
         14        DO_ICALL                                                 
    6    15        ECHO                                                     '%0A'
    7    16        INIT_FCALL                                               'var_export'
         17        INIT_FCALL                                               'filter_var'
         18        SEND_VAL                                                 '-1'
         19        SEND_VAL                                                 257
         20        DO_ICALL                                         $4      
         21        SEND_VAR                                                 $4
         22        DO_ICALL                                                 
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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