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<?php $var = <<<DATA This is "some data" with some "quoted \"strings" DATA; $expr = '/\s+(?=[^\s]+|"((?:[^"\\\\]|\\\\.)*)")/'; var_dump(preg_split($expr, $var, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hiUtW
function name:  (null)
number of ops:  12
compiled vars:  !0 = $var, !1 = $expr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'This+is+%22some+data%22+with+some+%22quoted+%5C%22strings%22'
    7     1        ASSIGN                                                   !1, '%2F%5Cs%2B%28%3F%3D%5B%5E%5Cs%5D%2B%7C%22%28%28%3F%3A%5B%5E%22%5C%5C%5D%7C%5C%5C.%29%2A%29%22%29%2F'
    9     2        INIT_FCALL                                               'var_dump'
          3        INIT_FCALL                                               'preg_split'
          4        SEND_VAR                                                 !1
          5        SEND_VAR                                                 !0
          6        SEND_VAL                                                 -1
          7        SEND_VAL                                                 3
          8        DO_ICALL                                         $4      
          9        SEND_VAR                                                 $4
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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