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<?php $bestsellers = [ (object) [ 'product_id' => 178, 'order_item_qty' => 9], (object) [ 'product_id' => 233, 'order_item_qty' => 4], (object) [ 'product_id' => 179, 'order_item_qty' => 1], ]; $ids = array_column($bestsellers, 'product_id'); var_dump($ids);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vXXa2
function name:  (null)
number of ops:  16
compiled vars:  !0 = $bestsellers, !1 = $ids
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   CAST                                              8  ~2      <array>
          1        INIT_ARRAY                                           ~3      ~2
          2        CAST                                              8  ~4      <array>
          3        ADD_ARRAY_ELEMENT                                    ~3      ~4
          4        CAST                                              8  ~5      <array>
          5        ADD_ARRAY_ELEMENT                                    ~3      ~5
    3     6        ASSIGN                                                       !0, ~3
    9     7        INIT_FCALL                                                   'array_column'
          8        SEND_VAR                                                     !0
          9        SEND_VAL                                                     'product_id'
         10        DO_ICALL                                             $7      
         11        ASSIGN                                                       !1, $7
   11    12        INIT_FCALL                                                   'var_dump'
         13        SEND_VAR                                                     !1
         14        DO_ICALL                                                     
         15      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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