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<?php $str = "* { [Strongly Disagree] [Disagree] [Agree] [Strongly Agree] }"; preg_match_all("/\[(.+?)\]/", $str, $match1); preg_match_all("/[^]]/", $str, $match2); var_dump($match1); var_dump($match2);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aLerP
function name:  (null)
number of ops:  18
compiled vars:  !0 = $str, !1 = $match1, !2 = $match2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%2A+%7B+%5BStrongly+Disagree%5D+%5BDisagree%5D+%5BAgree%5D+%5BStrongly+Agree%5D+%7D'
    5     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%2F%5C%5B%28.%2B%3F%29%5C%5D%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    6     6        INIT_FCALL                                               'preg_match_all'
          7        SEND_VAL                                                 '%2F%5B%5E%5D%5D%2F'
          8        SEND_VAR                                                 !0
          9        SEND_REF                                                 !2
         10        DO_ICALL                                                 
    8    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                                 
    9    14        INIT_FCALL                                               'var_dump'
         15        SEND_VAR                                                 !2
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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