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<?php $array = [ (object)['label' => 'Test 1', 'session' => 2], (object)['label' => 'Test 2', 'session' => 2], (object)['label' => 'Test 3', 'session' => 42], (object)['label' => 'Test 4', 'session' => 9], ]; echo sizeof(array_column($array, null, 'session'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JA8Ka
function name:  (null)
number of ops:  17
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   CAST                                          8  ~1      <array>
          1        INIT_ARRAY                                       ~2      ~1
    4     2        CAST                                          8  ~3      <array>
          3        ADD_ARRAY_ELEMENT                                ~2      ~3
    5     4        CAST                                          8  ~4      <array>
          5        ADD_ARRAY_ELEMENT                                ~2      ~4
    6     6        CAST                                          8  ~5      <array>
          7        ADD_ARRAY_ELEMENT                                ~2      ~5
    2     8        ASSIGN                                                   !0, ~2
    9     9        INIT_FCALL                                               'array_column'
         10        SEND_VAR                                                 !0
         11        SEND_VAL                                                 null
         12        SEND_VAL                                                 'session'
         13        DO_ICALL                                         $7      
         14        COUNT                                            ~8      $7
         15        ECHO                                                     ~8
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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