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<?php var_dump( filter_var('abc', FILTER_CALLBACK, ['flags' => FILTER_FORCE_ARRAY, 'options' => function ($v) { return strlen($v); }]) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/O4GnS
function name:  (null)
number of ops:  12
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                                                 'abc'
          3        SEND_VAL                                                 1024
          4        INIT_ARRAY                                       ~0      67108864, 'flags'
          5        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FO4GnS%3A4%240'
          6        ADD_ARRAY_ELEMENT                                ~0      ~1, 'options'
          7        SEND_VAL                                                 ~0
          8        DO_ICALL                                         $2      
          9        SEND_VAR                                                 $2
         10        DO_ICALL                                                 
    5    11      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FO4GnS%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/O4GnS
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        STRLEN                                           ~1      !0
          2      > RETURN                                                   ~1
          3*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FO4GnS%3A4%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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