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<?php $value = '1'; echo '*'.filter_var($value, FILTER_VALIDATE_INT).'*'; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XQP2A
function name:  (null)
number of ops:  9
compiled vars:  !0 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '1'
    3     1        INIT_FCALL                                               'filter_var'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 257
          4        DO_ICALL                                         $2      
          5        CONCAT                                           ~3      '%2A', $2
          6        CONCAT                                           ~4      ~3, '%2A'
          7        ECHO                                                     ~4
    4     8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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