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<?php $arr = array(array("lol"=>"lol1", "text"=>"Haha"), array("lol"=>"lol2", "text"=>"Heheh")); $assoc_arr = array_reduce($arr, function ($result, $item) { $result[$item["lol"]][] =$item; return $result; }, array()); var_dump($assoc_arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OWp8R
function name:  (null)
number of ops:  12
compiled vars:  !0 = $arr, !1 = $assoc_arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'array_reduce'
          2        SEND_VAR                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FOWp8R%3A3%240'
    6     4        SEND_VAL                                                 ~3
          5        SEND_VAL                                                 <array>
          6        DO_ICALL                                         $4      
    3     7        ASSIGN                                                   !1, $4
    7     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FOWp8R%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OWp8R
function name:  {closure}
number of ops:  8
compiled vars:  !0 = $result, !1 = $item
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    4     2        FETCH_DIM_R                                      ~2      !1, 'lol'
          3        FETCH_DIM_W                                      $3      !0, ~2
          4        ASSIGN_DIM                                               $3
          5        OP_DATA                                                  !1
    5     6      > RETURN                                                   !0
    6     7*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FOWp8R%3A3%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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