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<?php function coolPluck($array, $allowed) { $output = array(); foreach($allowed as $keyToFind) { foreach($array as $k => $v) { if($k === $keyToFind) { $output[$keyToFind] = $v; } if(is_array($v)) { $results = coolPluck($v, $allowed); $output = array_merge((array)$output, (array)$results); } } } return $output; } $testArray = array('test' => array('percy' => array('percy' => 'hatcherson'), 'percy' => array('mitchell', 'anderson'))); var_dump(coolPluck($testArray, array('percy')));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0B5sk
function name:  (null)
number of ops:  9
compiled vars:  !0 = $testArray
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   24     0  E >   ASSIGN                                                   !0, <array>
   27     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'coolpluck'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 <array>
          5        DO_FCALL                                      0  $2      
          6        SEND_VAR                                                 $2
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Function coolpluck:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 29
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 29
Branch analysis from position: 5
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 27
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 27
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 26
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 26
Branch analysis from position: 12
Branch analysis from position: 27
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 27
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 29
filename:       /in/0B5sk
function name:  coolPluck
number of ops:  32
compiled vars:  !0 = $array, !1 = $allowed, !2 = $output, !3 = $keyToFind, !4 = $v, !5 = $k, !6 = $results
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    5     2        ASSIGN                                                   !2, <array>
    7     3      > FE_RESET_R                                       $8      !1, ->29
          4    > > FE_FETCH_R                                               $8, !3, ->29
    8     5    > > FE_RESET_R                                       $9      !0, ->27
          6    > > FE_FETCH_R                                       ~10     $9, !4, ->27
          7    >   ASSIGN                                                   !5, ~10
    9     8        IS_IDENTICAL                                             !5, !3
          9      > JMPZ                                                     ~12, ->12
   10    10    >   ASSIGN_DIM                                               !2, !3
         11        OP_DATA                                                  !4
   13    12    >   TYPE_CHECK                                  128          !4
         13      > JMPZ                                                     ~14, ->26
   14    14    >   INIT_FCALL_BY_NAME                                       'coolPluck'
         15        SEND_VAR_EX                                              !4
         16        SEND_VAR_EX                                              !1
         17        DO_FCALL                                      0  $15     
         18        ASSIGN                                                   !6, $15
   15    19        INIT_FCALL                                               'array_merge'
         20        CAST                                          7  ~17     !2
         21        SEND_VAL                                                 ~17
         22        CAST                                          7  ~18     !6
         23        SEND_VAL                                                 ~18
         24        DO_ICALL                                         $19     
         25        ASSIGN                                                   !2, $19
    8    26    > > JMP                                                      ->6
         27    >   FE_FREE                                                  $9
    7    28      > JMP                                                      ->4
         29    >   FE_FREE                                                  $8
   20    30      > RETURN                                                   !2
   21    31*     > RETURN                                                   null

End of function coolpluck

Generated using Vulcan Logic Dumper, using php 8.0.0


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