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<?php $array = [ "FirstName" =>"Ram", "LastName" =>"R", 0 => "Developer", 1 => array() ]; $o = array_filter($array, "is_int", ARRAY_FILTER_USE_KEY); var_dump($o);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pq4sf
function name:  (null)
number of ops:  11
compiled vars:  !0 = $array, !1 = $o
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   10     1        INIT_FCALL                                               'array_filter'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'is_int'
          4        SEND_VAL                                                 2
          5        DO_ICALL                                         $3      
          6        ASSIGN                                                   !1, $3
   12     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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