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<?php $input_array = [['a', 'b', 'c'], ['d', 'e', 'f']]; array_walk($input_array, function(&$element) { return join(',',$element); }); var_dump($input_array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YT2WA
function name:  (null)
number of ops:  10
compiled vars:  !0 = $input_array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'array_walk'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FYT2WA%3A3%240'
          4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
    4     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FYT2WA%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YT2WA
function name:  {closure}
number of ops:  7
compiled vars:  !0 = $element
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        INIT_FCALL                                               'join'
          2        SEND_VAL                                                 '%2C'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $1      
          5      > RETURN                                                   $1
          6*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FYT2WA%3A3%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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