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<?php $text = "blah blah blah\nhello\nblah blah blah\nclass=\"world\" \nblah blah blah\nhello \nblah blah\nhello\nblah blah blah\nhello\nblah blah blah"; echo preg_match_all('~(?:\G(?!^)|\bworld\b).*?\K\bhello\b~s', $text);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7lAGr
function name:  (null)
number of ops:  7
compiled vars:  !0 = $text
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'blah+blah+blah%0Ahello%0Ablah+blah+blah%0Aclass%3D%22world%22+%0Ablah+blah+blah%0Ahello+%0Ablah+blah%0Ahello%0Ablah+blah+blah%0Ahello%0Ablah+blah+blah'
    4     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%7E%28%3F%3A%5CG%28%3F%21%5E%29%7C%5Cbworld%5Cb%29.%2A%3F%5CK%5Cbhello%5Cb%7Es'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        ECHO                                                     $2
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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