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<?php $val = '0'; $val = filter_var($val, FILTER_VALIDATE_BOOLEAN); var_dump($val);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7LLmT
function name:  (null)
number of ops:  10
compiled vars:  !0 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '0'
    5     1        INIT_FCALL                                               'filter_var'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 258
          4        DO_ICALL                                         $2      
          5        ASSIGN                                                   !0, $2
    7     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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