3v4l.org

run code in 300+ PHP versions simultaneously
<?php $your_array = array( 0 => Array ( 'd1' => Array ( 4 ), 'd2' => Array ( 3 ) ), 1 => Array ( 'd1' => Array ( 1 ), 'd2' => Array ( 2 ) ) ); $result['d1'] = call_user_func_array('array_merge',array_column($your_array,'d1')); $result['d2'] = call_user_func_array('array_merge',array_column($your_array,'d2')); print_r($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vEB8k
function name:  (null)
number of ops:  25
compiled vars:  !0 = $your_array, !1 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   28     1        INIT_FCALL                                               'array_merge'
          2        INIT_FCALL                                               'array_column'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 'd1'
          5        DO_ICALL                                         $4      
          6        SEND_ARRAY                                               $4
          7        CHECK_UNDEF_ARGS                                         
          8        DO_FCALL                                      1  $5      
          9        ASSIGN_DIM                                               !1, 'd1'
         10        OP_DATA                                                  $5
   29    11        INIT_FCALL                                               'array_merge'
         12        INIT_FCALL                                               'array_column'
         13        SEND_VAR                                                 !0
         14        SEND_VAL                                                 'd2'
         15        DO_ICALL                                         $7      
         16        SEND_ARRAY                                               $7
         17        CHECK_UNDEF_ARGS                                         
         18        DO_FCALL                                      1  $8      
         19        ASSIGN_DIM                                               !1, 'd2'
         20        OP_DATA                                                  $8
   30    21        INIT_FCALL                                               'print_r'
         22        SEND_VAR                                                 !1
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
166.03 ms | 1003 KiB | 16 Q