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<?php $items = array( array( 'type' => 'desktop', 'visits' => 10 ), array( 'type' => 'desktop', 'visits' => 10 ), array( 'type' => 'desktop', 'visits' => 10 ), array( 'type' => 'desktop', 'visits' => 10 ) ); $sum = array_map('array_sum',array_column($items,'visits')); var_dump($sum);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/BpKjG
function name:  (null)
number of ops:  14
compiled vars:  !0 = $items, !1 = $sum
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'array_map'
          2        SEND_VAL                                                 'array_sum'
          3        INIT_FCALL                                               'array_column'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 'visits'
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        DO_ICALL                                         $4      
          9        ASSIGN                                                   !1, $4
   11    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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