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<?php var_dump([ filter_var('1', FILTER_VALIDATE_INT), filter_var('1dfdsfsd', FILTER_VALIDATE_INT), filter_var('1 zemlekop', FILTER_VALIDATE_INT), filter_var('0,5', FILTER_VALIDATE_INT), ]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EA3VR
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_dump'
    4     1        INIT_FCALL                                               'filter_var'
          2        SEND_VAL                                                 '1'
          3        SEND_VAL                                                 257
          4        DO_ICALL                                         $0      
          5        INIT_ARRAY                                       ~1      $0
    5     6        INIT_FCALL                                               'filter_var'
          7        SEND_VAL                                                 '1dfdsfsd'
          8        SEND_VAL                                                 257
          9        DO_ICALL                                         $2      
         10        ADD_ARRAY_ELEMENT                                ~1      $2
    6    11        INIT_FCALL                                               'filter_var'
         12        SEND_VAL                                                 '1+zemlekop'
         13        SEND_VAL                                                 257
         14        DO_ICALL                                         $3      
         15        ADD_ARRAY_ELEMENT                                ~1      $3
    7    16        INIT_FCALL                                               'filter_var'
         17        SEND_VAL                                                 '0%2C5'
         18        SEND_VAL                                                 257
         19        DO_ICALL                                         $4      
         20        ADD_ARRAY_ELEMENT                                ~1      $4
         21        SEND_VAL                                                 ~1
         22        DO_ICALL                                                 
    8    23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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