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<?php $arr = array( array( 'firstname' => 'Bob', 'lastname' => 'Tomato' ), array( 'firstname' => 'Larry', 'lastname' => 'Cucumber' ) ); var_dump(array_column($arr,"firstname","lastname"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2NWCc
function name:  (null)
number of ops:  10
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
   14     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'array_column'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 'firstname'
          5        SEND_VAL                                                 'lastname'
          6        DO_ICALL                                         $2      
          7        SEND_VAR                                                 $2
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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