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<?php $test_uniqids = array( 'numeric' => "\x00"."5425368523947", 'non-numeric' => "\x00"."54253685ed947", 'numeric-append' => "\x00"."5425368523947x" ); foreach ($test_uniqids as $test => $uniqid) { print $test."\t"; print is_numeric($uniqid) ? 'is_numeric' : 'no_numeric'; print "\t"; var_dump($uniqid); $vals = array(); $vals[$uniqid] = TRUE; foreach ($vals as $key => $val) { var_dump($key); if ($key === $uniqid) { print "matches\n"; } else { print "does not match\n"; } } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 35
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 35
Branch analysis from position: 3
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 = 77) Position 1 = 22, Position 2 = 33
Branch analysis from position: 22
2 jumps found. (Code = 78) Position 1 = 23, Position 2 = 33
Branch analysis from position: 23
2 jumps found. (Code = 43) Position 1 = 29, Position 2 = 31
Branch analysis from position: 29
1 jumps found. (Code = 42) Position 1 = 32
Branch analysis from position: 32
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
Branch analysis from position: 31
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
Branch analysis from position: 33
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 33
Branch analysis from position: 12
2 jumps found. (Code = 77) Position 1 = 22, Position 2 = 33
Branch analysis from position: 22
Branch analysis from position: 33
Branch analysis from position: 35
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 35
filename:       /in/4B2Wn
function name:  (null)
number of ops:  37
compiled vars:  !0 = $test_uniqids, !1 = $uniqid, !2 = $test, !3 = $vals, !4 = $val, !5 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    7     1      > FE_RESET_R                                       $7      !0, ->35
          2    > > FE_FETCH_R                                       ~8      $7, !1, ->35
          3    >   ASSIGN                                                   !2, ~8
    9     4        CONCAT                                           ~10     !2, '%09'
          5        ECHO                                                     ~10
   10     6        INIT_FCALL                                               'is_numeric'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                         $11     
          9      > JMPZ                                                     $11, ->12
         10    >   QM_ASSIGN                                        ~12     'is_numeric'
         11      > JMP                                                      ->13
         12    >   QM_ASSIGN                                        ~12     'no_numeric'
         13    >   ECHO                                                     ~12
   11    14        ECHO                                                     '%09'
   12    15        INIT_FCALL                                               'var_dump'
         16        SEND_VAR                                                 !1
         17        DO_ICALL                                                 
   13    18        ASSIGN                                                   !3, <array>
   14    19        ASSIGN_DIM                                               !3, !1
         20        OP_DATA                                                  <true>
   15    21      > FE_RESET_R                                       $16     !3, ->33
         22    > > FE_FETCH_R                                       ~17     $16, !4, ->33
         23    >   ASSIGN                                                   !5, ~17
   17    24        INIT_FCALL                                               'var_dump'
         25        SEND_VAR                                                 !5
         26        DO_ICALL                                                 
   18    27        IS_IDENTICAL                                             !5, !1
         28      > JMPZ                                                     ~20, ->31
   19    29    >   ECHO                                                     'matches%0A'
         30      > JMP                                                      ->32
   21    31    >   ECHO                                                     'does+not+match%0A'
   15    32    > > JMP                                                      ->22
         33    >   FE_FREE                                                  $16
    7    34      > JMP                                                      ->2
         35    >   FE_FREE                                                  $7
   24    36      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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