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<?php $string = 'wow ABC (R+R) : Weldone boy (My Love)'; //$variable = "ABC (R+R)"; $variable = "ABC \(R\+R\)"; echo $pattern = "/\b$variable(?!\S)/"; echo "\n"; echo preg_match($pattern, $string)? 'matched' : 'not matched'; echo "\n\n"; /* DIRECT FUNCTION */ echo preg_match("/\bABC \(R\+R\)(?!\S)/", 'wow ABC (R+R) : Weldone boy (My Love)')? 'matched' : 'not matched';
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
Branch analysis from position: 19
filename:       /in/meT5A
function name:  (null)
number of ops:  22
compiled vars:  !0 = $string, !1 = $variable, !2 = $pattern
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'wow+ABC+%28R%2BR%29+%3A+Weldone+boy+%28My+Love%29'
    5     1        ASSIGN                                                       !1, 'ABC+%5C%28R%5C%2BR%5C%29'
    6     2        ROPE_INIT                                         3  ~6      '%2F%5Cb'
          3        ROPE_ADD                                          1  ~6      ~6, !1
          4        ROPE_END                                          2  ~5      ~6, '%28%3F%21%5CS%29%2F'
          5        ASSIGN                                               ~8      !2, ~5
          6        ECHO                                                         ~8
    7     7        ECHO                                                         '%0A'
    8     8        FRAMELESS_ICALL_2                preg_match          ~9      !2, !0
          9      > JMPZ                                                         ~9, ->12
         10    >   QM_ASSIGN                                            ~10     'matched'
         11      > JMP                                                          ->13
         12    >   QM_ASSIGN                                            ~10     'not+matched'
         13    >   ECHO                                                         ~10
   10    14        ECHO                                                         '%0A%0A'
   14    15        FRAMELESS_ICALL_2                preg_match          ~11     '%2F%5CbABC+%5C%28R%5C%2BR%5C%29%28%3F%21%5CS%29%2F', 'wow+ABC+%28R%2BR%29+%3A+Weldone+boy+%28My+Love%29'
         16      > JMPZ                                                         ~11, ->19
   15    17    >   QM_ASSIGN                                            ~12     'matched'
         18      > JMP                                                          ->20
         19    >   QM_ASSIGN                                            ~12     'not+matched'
         20    >   ECHO                                                         ~12
         21      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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