3v4l.org

run code in 300+ PHP versions simultaneously
<?php $story = [ 'documents' => [ [ 'authors' => [ ['id' => 2411] ] ] ] ]; print_r(array_column($story['documents'], 'authors'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Rl13V
function name:  (null)
number of ops:  10
compiled vars:  !0 = $story
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   12     1        INIT_FCALL                                               'print_r'
          2        INIT_FCALL                                               'array_column'
          3        FETCH_DIM_R                                      ~2      !0, 'documents'
          4        SEND_VAL                                                 ~2
          5        SEND_VAL                                                 'authors'
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
168.79 ms | 1394 KiB | 17 Q