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<?php $ok_exts = array("jpg", "jpeg", "png", "gif", "bmp"); $file_check = strtolower('jpg'); if (in_array($file_check, $ok_exts)) { echo 'true'; } else { echo 'false'; } echo PHP_EOL; $file_check = strtolower('JPG'); if (in_array($file_check, $ok_exts)) { echo 'true'; } else { echo 'false'; } echo PHP_EOL; $file_check = strtolower('PDF'); if (in_array($file_check, $ok_exts)) { echo 'true'; } else { echo 'false'; } echo PHP_EOL;
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 = 23, Position 2 = 25
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 26
Branch analysis from position: 26
2 jumps found. (Code = 43) Position 1 = 36, Position 2 = 38
Branch analysis from position: 36
1 jumps found. (Code = 42) Position 1 = 39
Branch analysis from position: 39
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 38
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 25
2 jumps found. (Code = 43) Position 1 = 36, Position 2 = 38
Branch analysis from position: 36
Branch analysis from position: 38
Branch analysis from position: 12
2 jumps found. (Code = 43) Position 1 = 23, Position 2 = 25
Branch analysis from position: 23
Branch analysis from position: 25
filename:       /in/7m1vX
function name:  (null)
number of ops:  41
compiled vars:  !0 = $ok_exts, !1 = $file_check
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'strtolower'
          2        SEND_VAL                                                 'jpg'
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
    6     5        INIT_FCALL                                               'in_array'
          6        SEND_VAR                                                 !1
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $5      
          9      > JMPZ                                                     $5, ->12
    7    10    >   ECHO                                                     'true'
    6    11      > JMP                                                      ->13
   10    12    >   ECHO                                                     'false'
   12    13    >   ECHO                                                     '%0A'
   14    14        INIT_FCALL                                               'strtolower'
         15        SEND_VAL                                                 'JPG'
         16        DO_ICALL                                         $6      
         17        ASSIGN                                                   !1, $6
   15    18        INIT_FCALL                                               'in_array'
         19        SEND_VAR                                                 !1
         20        SEND_VAR                                                 !0
         21        DO_ICALL                                         $8      
         22      > JMPZ                                                     $8, ->25
   16    23    >   ECHO                                                     'true'
   15    24      > JMP                                                      ->26
   19    25    >   ECHO                                                     'false'
   21    26    >   ECHO                                                     '%0A'
   23    27        INIT_FCALL                                               'strtolower'
         28        SEND_VAL                                                 'PDF'
         29        DO_ICALL                                         $9      
         30        ASSIGN                                                   !1, $9
   24    31        INIT_FCALL                                               'in_array'
         32        SEND_VAR                                                 !1
         33        SEND_VAR                                                 !0
         34        DO_ICALL                                         $11     
         35      > JMPZ                                                     $11, ->38
   25    36    >   ECHO                                                     'true'
   24    37      > JMP                                                      ->39
   28    38    >   ECHO                                                     'false'
   30    39    >   ECHO                                                     '%0A'
         40      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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