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<?php $str = 'Fry me a Beaver. Fry me a Beaver! Fry me a Beaver? Fry me Beaver no. 4?! Fry me many Beavers... End'; var_export( preg_split('~[.?!]+\K\s+(?=[A-Z])~', $str, 0, PREG_SPLIT_NO_EMPTY) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/p42kf
function name:  (null)
number of ops:  11
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'Fry+me+a+Beaver.+Fry+me+a+Beaver%21+Fry+me+a+Beaver%3F+Fry+me+Beaver+no.+4%3F%21+Fry+me+many+Beavers...+End'
    5     1        INIT_FCALL                                               'var_export'
    6     2        INIT_FCALL                                               'preg_split'
          3        SEND_VAL                                                 '%7E%5B.%3F%21%5D%2B%5CK%5Cs%2B%28%3F%3D%5BA-Z%5D%29%7E'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 0
          6        SEND_VAL                                                 1
          7        DO_ICALL                                         $2      
          8        SEND_VAR                                                 $2
    5     9        DO_ICALL                                                 
    7    10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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