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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 = 43
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 43
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 21, Position 2 = 23
Branch analysis from position: 21
1 jumps found. (Code = 42) Position 1 = 24
Branch analysis from position: 24
2 jumps found. (Code = 43) Position 1 = 37, Position 2 = 39
Branch analysis from position: 37
1 jumps found. (Code = 42) Position 1 = 40
Branch analysis from position: 40
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 39
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 23
2 jumps found. (Code = 43) Position 1 = 37, Position 2 = 39
Branch analysis from position: 37
Branch analysis from position: 39
Branch analysis from position: 43
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 43
filename:       /in/lh3JT
function name:  (null)
number of ops:  45
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, ->43
          2    > > FE_FETCH_R                                               $4, !1, ->43
   12     3    >   INIT_FCALL                                               'in_array'
          4        SEND_VAL                                                 'ircbot'
          5        INIT_FCALL                                               'preg_split'
          6        SEND_VAL                                                 '%2F%5Cs%2B%2F'
          7        INIT_FCALL                                               'mb_strtolower'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $5      
         10        SEND_VAR                                                 $5
         11        DO_ICALL                                         $6      
         12        SEND_VAR                                                 $6
         13        DO_ICALL                                         $7      
         14        ASSIGN                                                   !2, $7
   13    15        INIT_FCALL                                               'printf'
         16        ROPE_INIT                                     3  ~10     '%25s+%3D+'
         17        ROPE_ADD                                      1  ~10     ~10, !1
         18        ROPE_END                                      2  ~9      ~10, '%0A'
         19        SEND_VAL                                                 ~9
         20      > JMPZ                                                     !2, ->23
         21    >   QM_ASSIGN                                        ~12     'true'
         22      > JMP                                                      ->24
         23    >   QM_ASSIGN                                        ~12     'false'
         24    >   SEND_VAL                                                 ~12
         25        DO_ICALL                                                 
   16    26        INIT_FCALL                                               'preg_match'
         27        SEND_VAL                                                 '%2F%5Cb%28ircBot%29%5Cb%2Fi'
         28        SEND_VAR                                                 !1
         29        DO_ICALL                                         $14     
         30        ASSIGN                                                   !2, $14
   17    31        INIT_FCALL                                               'printf'
         32        ROPE_INIT                                     3  ~17     '%25s+%3D+'
         33        ROPE_ADD                                      1  ~17     ~17, !1
         34        ROPE_END                                      2  ~16     ~17, '%0A'
         35        SEND_VAL                                                 ~16
         36      > JMPZ                                                     !2, ->39
         37    >   QM_ASSIGN                                        ~19     'true'
         38      > JMP                                                      ->40
         39    >   QM_ASSIGN                                        ~19     'false'
         40    >   SEND_VAL                                                 ~19
         41        DO_ICALL                                                 
   10    42      > JMP                                                      ->2
         43    >   FE_FREE                                                  $4
   18    44      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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