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<?php var_dump( preg_split( '/(?:"[^"]+")|\s+/', '"this is a string" cat dog "cow"'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gTrfq
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'preg_split'
          2        SEND_VAL                                                 '%2F%28%3F%3A%22%5B%5E%22%5D%2B%22%29%7C%5Cs%2B%2F'
          3        SEND_VAL                                                 '%22this+is+a+string%22+cat+dog+%22cow%22'
          4        DO_ICALL                                         $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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