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<?php $array = [ [ "users" => [ 'email' => 'test@yahoo.com ,testuser@yahoo.com', 'username' => 'test,testuser', 'description' => 'description1,description2' ] ] ]; var_export( array_map( fn($csv) => preg_split('/ ?,/', $csv), $array[0]['users'] ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8F9BS
function name:  (null)
number of ops:  12
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   14     1        INIT_FCALL                                               'var_export'
   15     2        INIT_FCALL                                               'array_map'
   16     3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
          4        SEND_VAL                                                 ~2
   17     5        FETCH_DIM_R                                      ~3      !0, 0
          6        FETCH_DIM_R                                      ~4      ~3, 'users'
          7        SEND_VAL                                                 ~4
   15     8        DO_ICALL                                         $5      
   17     9        SEND_VAR                                                 $5
   14    10        DO_ICALL                                                 
   19    11      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8F9BS
function name:  {closure}
number of ops:  7
compiled vars:  !0 = $csv
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   RECV                                             !0      
          1        INIT_FCALL                                               'preg_split'
          2        SEND_VAL                                                 '%2F+%3F%2C%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $1      
          5      > RETURN                                                   $1
          6*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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