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<?php $x = [ 'foo' => ['a' => 1, 'b' => 2], 'bar' => ['a' => 3, 'b' => 4], 'fizz' => ['a' => 5, 'b' => 6], 'buzz' => ['a' => 7, 'b' => 8] ]; var_dump(array_column($x, 'b'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4tPEP
function name:  (null)
number of ops:  9
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'array_column'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 'b'
          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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