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run code in 300+ PHP versions simultaneously
<?php if (!function_exists('json_encode')) { function json_encode($it) { $tmp = $it; if (!($assoc = is_object($it)) && !is_array($it)) { return _js_enc_value($it); } $i = 0; $it = (array)$it; if (!$assoc) { foreach ($it as $k => $v) { if ($k !== $i) { $assoc = true; break; } $i++; } } $data = array(); foreach ($it as $k => $v) { $v = _js_enc_value($v); if ($assoc) { $k = _js_enc_value($k); if ($k === 'null') { $k = ''; } $data[] = $k . ':' . $v; } else { $data[] = $v; } } if ($assoc) { $bl = '{'; $br = '}'; } else { $bl = '['; $br = ']'; } return $bl . implode(',', $data) . $br; } function _js_enc_value($value) { switch (true) { case is_array($value): case is_object($value): return json_encode($value); case !_js_check_utf8($value): case $value === null: case is_resource($value): return 'null'; case is_bool($value): return $value ? 'true' : 'false'; case is_string($value): return _js_uc_esc($value); default: return $value; } } function _js_uc_esc($value) { $pattern = "@[\x08-\x10\x0c\x0d\\\\\"/]|([^\x08-\x10\x0c\x0d\x32-\x7f\\\\\"/])++@"; return '"' . preg_replace_callback($pattern, '_js_uc_esc_cb', $value) . '"'; } function _js_uc_esc_cb($matches) { switch (true) { case isset($matches[1]): $char = mb_convert_encoding($matches[0], 'UTF-16', 'UTF-8'); $str = ''; $len = strlen($char); for ($i = 0; $i < $len; $i += 2) { $str .= sprintf('\\u%02x%02x', ord($char[$i]), ord($char[$i + 1]) ); } return $str; default: return addcslashes($matches[0], "\x08\x09\x10\x0c\x0d\\\"/"); } } function _js_check_utf8($str) { $len = strlen($str); for($i = 0; $i < $len; $i++){ $c = ord($str[$i]); if ($c > 128) { if ($c > 247) { return false; } elseif ($c > 239) { $bytes = 4; } elseif ($c > 223) { $bytes = 3; } elseif ($c > 191) { $bytes = 2; } else { return false; } if (($i + $bytes) > $len) { return false; } while ($bytes > 1) { $i++; $b = ord($str[$i]); if ($b < 128 || $b > 191) { return false; } $bytes--; } } } return true; } } $str = ''; for ($i=0;$i<=300;$i++) { $str .= chr($i); } $str .= chr(127); var_dump(json_encode(array(null => $str)));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 10
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
2 jumps found. (Code = 44) Position 1 = 20, Position 2 = 13
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 20, Position 2 = 13
Branch analysis from position: 20
Branch analysis from position: 13
Branch analysis from position: 10
filename:       /in/smufW
function name:  (null)
number of ops:  29
compiled vars:  !0 = $str, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'function_exists'
          1        SEND_VAL                                                 'json_encode'
          2        DO_ICALL                                         $2      
          3        BOOL_NOT                                         ~3      $2
          4      > JMPZ                                                     ~3, ->10
    5     5    >   DECLARE_FUNCTION                                         'json_encode'
   44     6        DECLARE_FUNCTION                                         '_js_enc_value'
   62     7        DECLARE_FUNCTION                                         '_js_uc_esc'
   67     8        DECLARE_FUNCTION                                         '_js_uc_esc_cb'
   85     9        DECLARE_FUNCTION                                         '_js_check_utf8'
  119    10    >   ASSIGN                                                   !0, ''
  120    11        ASSIGN                                                   !1, 0
         12      > JMP                                                      ->18
  121    13    >   INIT_FCALL                                               'chr'
         14        SEND_VAR                                                 !1
         15        DO_ICALL                                         $6      
         16        ASSIGN_OP                                     8          !0, $6
  120    17        PRE_INC                                                  !1
         18    >   IS_SMALLER_OR_EQUAL                                      !1, 300
         19      > JMPNZ                                                    ~9, ->13
  123    20    >   ASSIGN_OP                                     8          !0, '%7F'
  124    21        INIT_FCALL                                               'var_dump'
         22        INIT_FCALL                                               'json_encode'
         23        INIT_ARRAY                                       ~11     !0, null
         24        SEND_VAL                                                 ~11
         25        DO_ICALL                                         $12     
         26        SEND_VAR                                                 $12
         27        DO_ICALL                                                 
         28      > RETURN                                                   1

Function %00json_encode%2Fin%2FsmufW%3A5%240:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 6, Position 2 = 9
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 14
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
2 jumps found. (Code = 43) Position 1 = 19, Position 2 = 29
Branch analysis from position: 19
2 jumps found. (Code = 77) Position 1 = 20, Position 2 = 28
Branch analysis from position: 20
2 jumps found. (Code = 78) Position 1 = 21, Position 2 = 28
Branch analysis from position: 21
2 jumps found. (Code = 43) Position 1 = 24, Position 2 = 26
Branch analysis from position: 24
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
2 jumps found. (Code = 77) Position 1 = 31, Position 2 = 53
Branch analysis from position: 31
2 jumps found. (Code = 78) Position 1 = 32, Position 2 = 53
Branch analysis from position: 32
2 jumps found. (Code = 43) Position 1 = 38, Position 2 = 50
Branch analysis from position: 38
2 jumps found. (Code = 43) Position 1 = 44, Position 2 = 45
Branch analysis from position: 44
1 jumps found. (Code = 42) Position 1 = 52
Branch analysis from position: 52
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
Branch analysis from position: 45
Branch analysis from position: 50
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
Branch analysis from position: 53
2 jumps found. (Code = 43) Position 1 = 55, Position 2 = 58
Branch analysis from position: 55
1 jumps found. (Code = 42) Position 1 = 60
Branch analysis from position: 60
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 58
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 53
Branch analysis from position: 26
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
Branch analysis from position: 28
Branch analysis from position: 28
Branch analysis from position: 29
Branch analysis from position: 9
filename:       /in/smufW
function name:  json_encode
number of ops:  68
compiled vars:  !0 = $it, !1 = $tmp, !2 = $assoc, !3 = $i, !4 = $v, !5 = $k, !6 = $data, !7 = $bl, !8 = $br
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    6     1        ASSIGN                                                   !1, !0
    7     2        TYPE_CHECK                                  256  ~10     !0
          3        ASSIGN                                           ~11     !2, ~10
          4        BOOL_NOT                                         ~12     ~11
          5      > JMPZ_EX                                          ~12     ~12, ->9
          6    >   TYPE_CHECK                                  128  ~13     !0
          7        BOOL_NOT                                         ~14     ~13
          8        BOOL                                             ~12     ~14
          9    > > JMPZ                                                     ~12, ->14
    8    10    >   INIT_FCALL_BY_NAME                                       '_js_enc_value'
         11        SEND_VAR_EX                                              !0
         12        DO_FCALL                                      0  $15     
         13      > RETURN                                                   $15
   10    14    >   ASSIGN                                                   !3, 0
   11    15        CAST                                          7  ~17     !0
         16        ASSIGN                                                   !0, ~17
   12    17        BOOL_NOT                                         ~19     !2
         18      > JMPZ                                                     ~19, ->29
   13    19    > > FE_RESET_R                                       $20     !0, ->28
         20    > > FE_FETCH_R                                       ~21     $20, !4, ->28
         21    >   ASSIGN                                                   !5, ~21
   14    22        IS_NOT_IDENTICAL                                         !5, !3
         23      > JMPZ                                                     ~23, ->26
   15    24    >   ASSIGN                                                   !2, <true>
   16    25      > JMP                                                      ->28
   18    26    >   PRE_INC                                                  !3
   13    27      > JMP                                                      ->20
         28    >   FE_FREE                                                  $20
   21    29    >   ASSIGN                                                   !6, <array>
   22    30      > FE_RESET_R                                       $27     !0, ->53
         31    > > FE_FETCH_R                                       ~28     $27, !4, ->53
         32    >   ASSIGN                                                   !5, ~28
   23    33        INIT_FCALL_BY_NAME                                       '_js_enc_value'
         34        SEND_VAR_EX                                              !4
         35        DO_FCALL                                      0  $30     
         36        ASSIGN                                                   !4, $30
   24    37      > JMPZ                                                     !2, ->50
   25    38    >   INIT_FCALL_BY_NAME                                       '_js_enc_value'
         39        SEND_VAR_EX                                              !5
         40        DO_FCALL                                      0  $32     
         41        ASSIGN                                                   !5, $32
   26    42        IS_IDENTICAL                                             !5, 'null'
         43      > JMPZ                                                     ~34, ->45
   27    44    >   ASSIGN                                                   !5, ''
   29    45    >   CONCAT                                           ~37     !5, '%3A'
         46        CONCAT                                           ~38     ~37, !4
         47        ASSIGN_DIM                                               !6
         48        OP_DATA                                                  ~38
         49      > JMP                                                      ->52
   31    50    >   ASSIGN_DIM                                               !6
         51        OP_DATA                                                  !4
   22    52    > > JMP                                                      ->31
         53    >   FE_FREE                                                  $27
   34    54      > JMPZ                                                     !2, ->58
   35    55    >   ASSIGN                                                   !7, '%7B'
   36    56        ASSIGN                                                   !8, '%7D'
         57      > JMP                                                      ->60
   38    58    >   ASSIGN                                                   !7, '%5B'
   39    59        ASSIGN                                                   !8, '%5D'
   41    60    >   INIT_FCALL                                               'implode'
         61        SEND_VAL                                                 '%2C'
         62        SEND_VAR                                                 !6
         63        DO_ICALL                                         $44     
         64        CONCAT                                           ~45     !7, $44
         65        CONCAT                                           ~46     ~45, !8
         66      > RETURN                                                   ~46
   42    67*     > RETURN                                                   null

End of function %00json_encode%2Fin%2FsmufW%3A5%240

Function %00_js_enc_value%2Fin%2FsmufW%3A44%241:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 44) Position 1 = 3, Position 2 = 19
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 5, Position 2 = 19
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 23
Branch analysis from position: 10
2 jumps found. (Code = 44) Position 1 = 12, Position 2 = 23
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 14, Position 2 = 23
Branch analysis from position: 14
2 jumps found. (Code = 44) Position 1 = 16, Position 2 = 24
Branch analysis from position: 16
2 jumps found. (Code = 44) Position 1 = 18, Position 2 = 29
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 33
Branch analysis from position: 33
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 24
2 jumps found. (Code = 43) Position 1 = 25, Position 2 = 27
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 27
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 23
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 23
Branch analysis from position: 23
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
filename:       /in/smufW
function name:  _js_enc_value
number of ops:  35
compiled vars:  !0 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   44     0  E >   RECV                                             !0      
   46     1        TYPE_CHECK                                  128          !0
          2      > JMPNZ                                                    ~2, ->19
   47     3    >   TYPE_CHECK                                  256          !0
          4      > JMPNZ                                                    ~3, ->19
   49     5    >   INIT_FCALL_BY_NAME                                       '_js_check_utf8'
          6        SEND_VAR_EX                                              !0
          7        DO_FCALL                                      0  $4      
          8        BOOL_NOT                                         ~5      $4
          9      > JMPNZ                                                    ~5, ->23
   50    10    >   TYPE_CHECK                                    2          !0
         11      > JMPNZ                                                    ~6, ->23
   51    12    >   TYPE_CHECK                                  512          !0
         13      > JMPNZ                                                    ~7, ->23
   53    14    >   TYPE_CHECK                                   12          !0
         15      > JMPNZ                                                    ~8, ->24
   55    16    >   TYPE_CHECK                                   64          !0
         17      > JMPNZ                                                    ~9, ->29
         18    > > JMP                                                      ->33
   48    19    >   INIT_FCALL                                               'json_encode'
         20        SEND_VAR                                                 !0
         21        DO_ICALL                                         $10     
         22      > RETURN                                                   $10
   52    23    > > RETURN                                                   'null'
   54    24    > > JMPZ                                                     !0, ->27
         25    >   QM_ASSIGN                                        ~11     'true'
         26      > JMP                                                      ->28
         27    >   QM_ASSIGN                                        ~11     'false'
         28    > > RETURN                                                   ~11
   56    29    >   INIT_FCALL_BY_NAME                                       '_js_uc_esc'
         30        SEND_VAR_EX                                              !0
         31        DO_FCALL                                      0  $12     
         32      > RETURN                                                   $12
   58    33    > > RETURN                                                   !0
   60    34*     > RETURN                                                   null

End of function %00_js_enc_value%2Fin%2FsmufW%3A44%241

Function %00_js_uc_esc%2Fin%2FsmufW%3A62%242:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smufW
function name:  _js_uc_esc
number of ops:  11
compiled vars:  !0 = $value, !1 = $pattern
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   62     0  E >   RECV                                             !0      
   63     1        ASSIGN                                                   !1, '%40%5B%08-%10%0C%0D%5C%5C%22%2F%5D%7C%28%5B%5E%08-%10%0C%0D2-%7F%5C%5C%22%2F%5D%29%2B%2B%40'
   64     2        INIT_FCALL                                               'preg_replace_callback'
          3        SEND_VAR                                                 !1
          4        SEND_VAL                                                 '_js_uc_esc_cb'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $3      
          7        CONCAT                                           ~4      '%22', $3
          8        CONCAT                                           ~5      ~4, '%22'
          9      > RETURN                                                   ~5
   65    10*     > RETURN                                                   null

End of function %00_js_uc_esc%2Fin%2FsmufW%3A62%242

Function %00_js_uc_esc_cb%2Fin%2FsmufW%3A67%243:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 44) Position 1 = 3, Position 2 = 4
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 35
Branch analysis from position: 35
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 32
Branch analysis from position: 32
2 jumps found. (Code = 44) Position 1 = 34, Position 2 = 16
Branch analysis from position: 34
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
2 jumps found. (Code = 44) Position 1 = 34, Position 2 = 16
Branch analysis from position: 34
Branch analysis from position: 16
filename:       /in/smufW
function name:  _js_uc_esc_cb
number of ops:  42
compiled vars:  !0 = $matches, !1 = $char, !2 = $str, !3 = $len, !4 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   67     0  E >   RECV                                             !0      
   69     1        ISSET_ISEMPTY_DIM_OBJ                         0          !0, 1
          2      > JMPNZ                                                    ~6, ->4
          3    > > JMP                                                      ->35
   70     4    >   INIT_FCALL                                               'mb_convert_encoding'
          5        FETCH_DIM_R                                      ~7      !0, 0
          6        SEND_VAL                                                 ~7
          7        SEND_VAL                                                 'UTF-16'
          8        SEND_VAL                                                 'UTF-8'
          9        DO_ICALL                                         $8      
         10        ASSIGN                                                   !1, $8
   71    11        ASSIGN                                                   !2, ''
   72    12        STRLEN                                           ~11     !1
         13        ASSIGN                                                   !3, ~11
   73    14        ASSIGN                                                   !4, 0
         15      > JMP                                                      ->32
   74    16    >   INIT_FCALL                                               'sprintf'
         17        SEND_VAL                                                 '%5Cu%2502x%2502x'
   75    18        INIT_FCALL                                               'ord'
         19        FETCH_DIM_R                                      ~14     !1, !4
         20        SEND_VAL                                                 ~14
         21        DO_ICALL                                         $15     
         22        SEND_VAR                                                 $15
   76    23        INIT_FCALL                                               'ord'
         24        ADD                                              ~16     !4, 1
         25        FETCH_DIM_R                                      ~17     !1, ~16
         26        SEND_VAL                                                 ~17
         27        DO_ICALL                                         $18     
         28        SEND_VAR                                                 $18
         29        DO_ICALL                                         $19     
         30        ASSIGN_OP                                     8          !2, $19
   73    31        ASSIGN_OP                                     1          !4, 2
         32    >   IS_SMALLER                                               !4, !3
         33      > JMPNZ                                                    ~22, ->16
   79    34    > > RETURN                                                   !2
   81    35    >   INIT_FCALL                                               'addcslashes'
         36        FETCH_DIM_R                                      ~23     !0, 0
         37        SEND_VAL                                                 ~23
         38        SEND_VAL                                                 '%08%09%10%0C%0D%5C%22%2F'
         39        DO_ICALL                                         $24     
         40      > RETURN                                                   $24
   83    41*     > RETURN                                                   null

End of function %00_js_uc_esc_cb%2Fin%2FsmufW%3A67%243

Function %00_js_check_utf8%2Fin%2FsmufW%3A85%244:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 50
Branch analysis from position: 50
2 jumps found. (Code = 44) Position 1 = 52, Position 2 = 5
Branch analysis from position: 52
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 49
Branch analysis from position: 12
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 16
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
2 jumps found. (Code = 43) Position 1 = 18, Position 2 = 20
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 29
Branch analysis from position: 29
2 jumps found. (Code = 43) Position 1 = 32, Position 2 = 33
Branch analysis from position: 32
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 33
1 jumps found. (Code = 42) Position 1 = 47
Branch analysis from position: 47
2 jumps found. (Code = 44) Position 1 = 49, Position 2 = 34
Branch analysis from position: 49
2 jumps found. (Code = 44) Position 1 = 52, Position 2 = 5
Branch analysis from position: 52
Branch analysis from position: 5
Branch analysis from position: 34
2 jumps found. (Code = 47) Position 1 = 42, Position 2 = 44
Branch analysis from position: 42
2 jumps found. (Code = 43) Position 1 = 45, Position 2 = 46
Branch analysis from position: 45
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 46
2 jumps found. (Code = 44) Position 1 = 49, Position 2 = 34
Branch analysis from position: 49
Branch analysis from position: 34
Branch analysis from position: 44
Branch analysis from position: 20
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 29
Branch analysis from position: 29
Branch analysis from position: 24
2 jumps found. (Code = 43) Position 1 = 26, Position 2 = 28
Branch analysis from position: 26
1 jumps found. (Code = 42) Position 1 = 29
Branch analysis from position: 29
Branch analysis from position: 28
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 49
filename:       /in/smufW
function name:  _js_check_utf8
number of ops:  54
compiled vars:  !0 = $str, !1 = $len, !2 = $i, !3 = $c, !4 = $bytes, !5 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   85     0  E >   RECV                                             !0      
   86     1        STRLEN                                           ~6      !0
          2        ASSIGN                                                   !1, ~6
   87     3        ASSIGN                                                   !2, 0
          4      > JMP                                                      ->50
   88     5    >   INIT_FCALL                                               'ord'
          6        FETCH_DIM_R                                      ~9      !0, !2
          7        SEND_VAL                                                 ~9
          8        DO_ICALL                                         $10     
          9        ASSIGN                                                   !3, $10
   89    10        IS_SMALLER                                               128, !3
         11      > JMPZ                                                     ~12, ->49
   90    12    >   IS_SMALLER                                               247, !3
         13      > JMPZ                                                     ~13, ->16
   91    14    > > RETURN                                                   <false>
         15*       JMP                                                      ->29
   92    16    >   IS_SMALLER                                               239, !3
         17      > JMPZ                                                     ~14, ->20
   93    18    >   ASSIGN                                                   !4, 4
         19      > JMP                                                      ->29
   94    20    >   IS_SMALLER                                               223, !3
         21      > JMPZ                                                     ~16, ->24
   95    22    >   ASSIGN                                                   !4, 3
         23      > JMP                                                      ->29
   96    24    >   IS_SMALLER                                               191, !3
         25      > JMPZ                                                     ~18, ->28
   97    26    >   ASSIGN                                                   !4, 2
         27      > JMP                                                      ->29
   99    28    > > RETURN                                                   <false>
  101    29    >   ADD                                              ~20     !2, !4
         30        IS_SMALLER                                               !1, ~20
         31      > JMPZ                                                     ~21, ->33
  102    32    > > RETURN                                                   <false>
  104    33    > > JMP                                                      ->47
  105    34    >   PRE_INC                                                  !2
  106    35        INIT_FCALL                                               'ord'
         36        FETCH_DIM_R                                      ~23     !0, !2
         37        SEND_VAL                                                 ~23
         38        DO_ICALL                                         $24     
         39        ASSIGN                                                   !5, $24
  107    40        IS_SMALLER                                       ~26     !5, 128
         41      > JMPNZ_EX                                         ~26     ~26, ->44
         42    >   IS_SMALLER                                       ~27     191, !5
         43        BOOL                                             ~26     ~27
         44    > > JMPZ                                                     ~26, ->46
  108    45    > > RETURN                                                   <false>
  110    46    >   PRE_DEC                                                  !4
  104    47    >   IS_SMALLER                                               1, !4
         48      > JMPNZ                                                    ~29, ->34
   87    49    >   PRE_INC                                                  !2
         50    >   IS_SMALLER                                               !2, !1
         51      > JMPNZ                                                    ~31, ->5
  114    52    > > RETURN                                                   <true>
  115    53*     > RETURN                                                   null

End of function %00_js_check_utf8%2Fin%2FsmufW%3A85%244

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.32 ms | 1424 KiB | 33 Q