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<?php $array = explode(' ', 'foo bar is very nice'); var_dump(array_walk($array, function($v){return $v;}), $array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oGvvf
function name:  (null)
number of ops:  15
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'explode'
          1        SEND_VAL                                                 '+'
          2        SEND_VAL                                                 'foo++bar+is++very+nice'
          3        DO_ICALL                                         $1      
          4        ASSIGN                                                   !0, $1
    4     5        INIT_FCALL                                               'var_dump'
          6        INIT_FCALL                                               'array_walk'
          7        SEND_REF                                                 !0
          8        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FoGvvf%3A4%240'
          9        SEND_VAL                                                 ~3
         10        DO_ICALL                                         $4      
         11        SEND_VAR                                                 $4
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FoGvvf%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oGvvf
function name:  {closure}
number of ops:  3
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
          0  E >   RECV                                             !0      
          1      > RETURN                                                   !0
          2*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FoGvvf%3A4%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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