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<?php $array = [ ["firstname" => "John", "lastname" => "", "email" => "", "uri" => ""], ["firstname" => "", "lastname" => "Smith", "email" => "", "uri" => ""], ["firstname" => "", "lastname" => "", "email" => "john@example.org", "uri" => ""] ]; var_export( array_reduce( $array, function($carry, $row) { $carry = array_merge($carry, array_filter($row, 'strlen')); return $carry; }, array_shift($array) ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OS7hH
function name:  (null)
number of ops:  14
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'var_export'
   10     2        INIT_FCALL                                               'array_reduce'
   11     3        SEND_VAR                                                 !0
   12     4        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
   15     5        SEND_VAL                                                 ~2
   16     6        INIT_FCALL                                               'array_shift'
          7        SEND_REF                                                 !0
          8        DO_ICALL                                         $3      
          9        SEND_VAR                                                 $3
   10    10        DO_ICALL                                         $4      
   16    11        SEND_VAR                                                 $4
    9    12        DO_ICALL                                                 
   18    13      > 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/OS7hH
function name:  {closure}
number of ops:  13
compiled vars:  !0 = $carry, !1 = $row
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   13     2        INIT_FCALL                                               'array_merge'
          3        SEND_VAR                                                 !0
          4        INIT_FCALL                                               'array_filter'
          5        SEND_VAR                                                 !1
          6        SEND_VAL                                                 'strlen'
          7        DO_ICALL                                         $2      
          8        SEND_VAR                                                 $2
          9        DO_ICALL                                         $3      
         10        ASSIGN                                                   !0, $3
   14    11      > RETURN                                                   !0
   15    12*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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