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<?php $text = '[this is block this is also same "block" this is same block another same block] new block! another new block! [this is new block this is also a new block]'; var_export(preg_match_all('~\[[^\]]*]|.+~', $text, $matches) ? $matches[0] : 'nothing');
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 11
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pbtOf
function name:  (null)
number of ops:  15
compiled vars:  !0 = $text, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%5Bthis+is+block%0Athis+is+also+same+%22block%22%0Athis+is+same+block%0A%0Aanother+same+block%5D%0Anew+block%21%0Aanother+new+block%21%0A%5Bthis+is+new+block%0Athis+is+also+a+new+block%5D'
   12     1        INIT_FCALL                                               'var_export'
          2        INIT_FCALL                                               'preg_match_all'
          3        SEND_VAL                                                 '%7E%5C%5B%5B%5E%5C%5D%5D%2A%5D%7C.%2B%7E'
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !1
          6        DO_ICALL                                         $3      
          7      > JMPZ                                                     $3, ->11
          8    >   FETCH_DIM_R                                      ~4      !1, 0
          9        QM_ASSIGN                                        ~5      ~4
         10      > JMP                                                      ->12
         11    >   QM_ASSIGN                                        ~5      'nothing'
         12    >   SEND_VAL                                                 ~5
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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