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<?php $array1 = array(0 => 'fname',1 => 'lname' ,2 => 'email'); $array1 = array_flip($array1); $array2 = array( 'fname' => 'john', 'lname' => 'notdefined', 'email' => 'xyz@gmail.com', 'address' => 'london' ); $new = array_intersect_key($array2,$array1); print_r($new);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Rq3Ga
function name:  (null)
number of ops:  15
compiled vars:  !0 = $array1, !1 = $array2, !2 = $new
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_flip'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $4      
          4        ASSIGN                                                   !0, $4
    5     5        ASSIGN                                                   !1, <array>
   12     6        INIT_FCALL                                               'array_intersect_key'
          7        SEND_VAR                                                 !1
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                         $7      
         10        ASSIGN                                                   !2, $7
   13    11        INIT_FCALL                                               'print_r'
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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