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<?php $tags = array( array('tag_id' => 1, 'tag_name' => 'Hello', 'album_id' => 1), array('tag_id' => 1, 'tag_name' => 'Hello', 'album_id' => 2), array('tag_id' => 2, 'tag_name' => 'World', 'album_id' => 1), array('tag_id' => 2, 'tag_name' => 'World', 'album_id' => 2), array('tag_id' => 3, 'tag_name' => 'Again', 'album_id' => 3) ); //$org_tags = array(); //foreach ($tags as $tag) { //} print_r(array_column($tags, 'album_id'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Mn3oM
function name:  (null)
number of ops:  9
compiled vars:  !0 = $tags
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   17     1        INIT_FCALL                                               'print_r'
          2        INIT_FCALL                                               'array_column'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 'album_id'
          5        DO_ICALL                                         $2      
          6        SEND_VAR                                                 $2
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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