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<?php $mystring = 'first_group, second_group, third_group'; $results = explode(', ', $mystring); foreach($results as $row){ $expected[] = ['key'=>$row]; } print_r($expected); ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 7, Position 2 = 12
Branch analysis from position: 7
2 jumps found. (Code = 78) Position 1 = 8, Position 2 = 12
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/FgndX
function name:  (null)
number of ops:  17
compiled vars:  !0 = $mystring, !1 = $results, !2 = $row, !3 = $expected
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 'first_group%2C+second_group%2C+third_group'
    5     1        INIT_FCALL                                               'explode'
          2        SEND_VAL                                                 '%2C+'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $5      
          5        ASSIGN                                                   !1, $5
    6     6      > FE_RESET_R                                       $7      !1, ->12
          7    > > FE_FETCH_R                                               $7, !2, ->12
    7     8    >   INIT_ARRAY                                       ~9      !2, 'key'
          9        ASSIGN_DIM                                               !3
         10        OP_DATA                                                  ~9
    6    11      > JMP                                                      ->7
         12    >   FE_FREE                                                  $7
    9    13        INIT_FCALL                                               'print_r'
         14        SEND_VAR                                                 !3
         15        DO_ICALL                                                 
   10    16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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