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<?php $a = 42; var_dump( filter_var( $a, FILTER_VALIDATE_STRING ) ); var_dump( filter_var( $a, FILTER_SANITIZE_STRING ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/isYXc
function name:  (null)
number of ops:  17
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 42
    4     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'filter_var'
          3        SEND_VAR                                                 !0
          4        FETCH_CONSTANT                                   ~2      'FILTER_VALIDATE_STRING'
          5        SEND_VAL                                                 ~2
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        DO_ICALL                                                 
    5     9        INIT_FCALL                                               'var_dump'
         10        INIT_FCALL                                               'filter_var'
         11        SEND_VAR                                                 !0
         12        SEND_VAL                                                 513
         13        DO_ICALL                                         $5      
         14        SEND_VAR                                                 $5
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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