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<?php $a = [ [ 'foo' => 777.5 ], [ 'foo' => 777 ], [ 'foo' => '777' ], ]; var_dump(array_column($a, 'foo', 'foo'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WhUmh
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   4     0  E >   QM_ASSIGN                                                !0
   9     1        INIT_FCALL                                               'var_dump'
         2        INIT_FCALL                                               'array_column'
         3        SEND_VAR                                                 !0
         4        SEND_VAL                                                 'foo'
         5        SEND_VAL                                                 'foo'
         6        DO_ICALL                                         $2      
         7        SEND_VAR                                                 $2
         8        DO_ICALL                                                 
         9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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