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<?php $id = filter_var('foo', FILTER_VALIDATE_INT, [ 'options' => ['default' => 2], ]); var_dump($id);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IVO7g
function name:  (null)
number of ops:  10
compiled vars:  !0 = $id
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'filter_var'
          1        SEND_VAL                                                 'foo'
          2        SEND_VAL                                                 257
    4     3        SEND_VAL                                                 <array>
          4        DO_ICALL                                         $1      
    3     5        ASSIGN                                                   !0, $1
    6     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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