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<?php $str = 'Heading: This is a string. Very exciting! What do you think? ...one more thing, this is cool.'; var_export( preg_split('~[.?!:]+\K\s+~', $str, 0, PREG_SPLIT_NO_EMPTY) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8pnJ0
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, 'Heading%3A+This+is+a+string.+Very+exciting%21+What+do+you+think%3F+...one+more+thing%2C+this+is+cool.'
    5     1        INIT_FCALL                                                   'var_export'
    6     2        INIT_FCALL                                                   'preg_split'
          3        SEND_VAL                                                     '%7E%5B.%3F%21%3A%5D%2B%5CK%5Cs%2B%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 8.5.0


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