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<?php $array = [ 'documents' => ['application/pdf','application/x-pdf'], 'images' => ['image/cgm','image/g3fax'], 'videos' => ['video/dl','video/fli','video/gl','video/mpeg'], ]; $find = 'image/g3fax'; var_export( array_find_key( $array, fn($row) => in_array($find, $row) ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/V9srt
function name:  (null)
number of ops:  12
compiled vars:  !0 = $array, !1 = $find
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        ASSIGN                                                   !1, 'image%2Fg3fax'
   11     2        INIT_FCALL                                               'var_export'
   12     3        INIT_FCALL_BY_NAME                                       'array_find_key'
   13     4        SEND_VAR_EX                                              !0
   14     5        DECLARE_LAMBDA_FUNCTION                          ~4      [0]
          6        BIND_LEXICAL                                             ~4, !1
   15     7        SEND_VAL_EX                                              ~4
   12     8        DO_FCALL                                      0  $5      
   15     9        SEND_VAR                                                 $5
   11    10        DO_ICALL                                                 
   16    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/V9srt
function name:  {closure}
number of ops:  8
compiled vars:  !0 = $row, !1 = $find
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
          2        INIT_FCALL                                               'in_array'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6      > RETURN                                                   $2
   15     7*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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