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<?php $array = array( 0 => array( 'key' => 'val1' ), 1 => array( 'key' => 'val2' ), 2 => array( 'key' => 'val3' ), ); $new_array = array_column($array, 'key'); print_r($new_array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ourOD
function name:  (null)
number of ops:  10
compiled vars:  !0 = $array, !1 = $new_array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    7     1        INIT_FCALL                                               'array_column'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'key'
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
    8     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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