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<?php $string = ' Test1,One line Test2,"Two lines Hello" Test3,One line '; echo preg_replace_callback('~"[^"]*"~', function($m) { return preg_replace('~\R+~', '', $m[0]); }, $string);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9eHb2
function name:  (null)
number of ops:  9
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%0ATest1%2COne+line%0ATest2%2C%22Two+lines+%0A%0AHello%22%0ATest3%2COne+line%0A'
   10     1        INIT_FCALL                                               'preg_replace_callback'
          2        SEND_VAL                                                 '%7E%22%5B%5E%22%5D%2A%22%7E'
          3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
   12     4        SEND_VAL                                                 ~2
          5        SEND_VAR                                                 !0
   10     6        DO_ICALL                                         $3      
   12     7        ECHO                                                     $3
          8      > 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/9eHb2
function name:  {closure}
number of ops:  9
compiled vars:  !0 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   RECV                                             !0      
   11     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%7E%5CR%2B%7E'
          3        SEND_VAL                                                 ''
          4        FETCH_DIM_R                                      ~1      !0, 0
          5        SEND_VAL                                                 ~1
          6        DO_ICALL                                         $2      
          7      > RETURN                                                   $2
   12     8*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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