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<?php $messages = array( 'ircBot hey', 'hey ircBot', 'hey ircBot naa', 'hey MircBot', ); foreach ($messages as $message) { // using in_array $isMentioned = in_array('ircbot', preg_split('/\s+/', mb_strtolower($message))); printf("%s = {$message}\n", $isMentioned ? 'true' : 'false'); // using regex word boundaries $isMentioned = preg_match('/\b(ircBot)\b/i', $message); printf("%s = {$message}\n", $isMentioned ? 'true' : 'false'); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 37
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 37
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 18, Position 2 = 20
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 21
Branch analysis from position: 21
2 jumps found. (Code = 43) Position 1 = 31, Position 2 = 33
Branch analysis from position: 31
1 jumps found. (Code = 42) Position 1 = 34
Branch analysis from position: 34
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 33
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 20
2 jumps found. (Code = 43) Position 1 = 31, Position 2 = 33
Branch analysis from position: 31
Branch analysis from position: 33
Branch analysis from position: 37
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 37
filename:       /in/lh3JT
function name:  (null)
number of ops:  39
compiled vars:  !0 = $messages, !1 = $message, !2 = $isMentioned
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
   10     1      > FE_RESET_R                                           $4      !0, ->37
          2    > > FE_FETCH_R                                                   $4, !1, ->37
   12     3    >   INIT_FCALL                                                   'preg_split'
          4        SEND_VAL                                                     '%2F%5Cs%2B%2F'
          5        INIT_FCALL                                                   'mb_strtolower'
          6        SEND_VAR                                                     !1
          7        DO_ICALL                                             $5      
          8        SEND_VAR                                                     $5
          9        DO_ICALL                                             $6      
         10        FRAMELESS_ICALL_2                in_array            ~7      'ircbot', $6
         11        ASSIGN                                                       !2, ~7
   13    12        INIT_FCALL                                                   'printf'
         13        ROPE_INIT                                         3  ~10     '%25s+%3D+'
         14        ROPE_ADD                                          1  ~10     ~10, !1
         15        ROPE_END                                          2  ~9      ~10, '%0A'
         16        SEND_VAL                                                     ~9
         17      > JMPZ                                                         !2, ->20
         18    >   QM_ASSIGN                                            ~12     'true'
         19      > JMP                                                          ->21
         20    >   QM_ASSIGN                                            ~12     'false'
         21    >   SEND_VAL                                                     ~12
         22        DO_ICALL                                                     
   16    23        FRAMELESS_ICALL_2                preg_match          ~14     '%2F%5Cb%28ircBot%29%5Cb%2Fi', !1
         24        ASSIGN                                                       !2, ~14
   17    25        INIT_FCALL                                                   'printf'
         26        ROPE_INIT                                         3  ~17     '%25s+%3D+'
         27        ROPE_ADD                                          1  ~17     ~17, !1
         28        ROPE_END                                          2  ~16     ~17, '%0A'
         29        SEND_VAL                                                     ~16
         30      > JMPZ                                                         !2, ->33
         31    >   QM_ASSIGN                                            ~19     'true'
         32      > JMP                                                          ->34
         33    >   QM_ASSIGN                                            ~19     'false'
         34    >   SEND_VAL                                                     ~19
         35        DO_ICALL                                                     
   10    36      > JMP                                                          ->2
         37    >   FE_FREE                                                      $4
   18    38      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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