3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tokens = token_get_all('<?php $a = 1 + 2; echo $a ?>'); foreach($tokens as $token) { if(is_array($token)) { echo token_name($token[0]) . PHP_EOL; } else { echo $token . PHP_EOL; } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 18
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 18
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 15
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
filename:       /in/mioD9
function name:  (null)
number of ops:  20
compiled vars:  !0 = $tokens, !1 = $token
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'token_get_all'
          1        SEND_VAL                                                 '%3C%3Fphp+%24a+%3D+1+%2B+2%3B+echo+%24a+%3F%3E'
          2        DO_ICALL                                         $2      
          3        ASSIGN                                                   !0, $2
    5     4      > FE_RESET_R                                       $4      !0, ->18
          5    > > FE_FETCH_R                                               $4, !1, ->18
    6     6    >   TYPE_CHECK                                  128          !1
          7      > JMPZ                                                     ~5, ->15
    7     8    >   INIT_FCALL                                               'token_name'
          9        FETCH_DIM_R                                      ~6      !1, 0
         10        SEND_VAL                                                 ~6
         11        DO_ICALL                                         $7      
         12        CONCAT                                           ~8      $7, '%0A'
         13        ECHO                                                     ~8
         14      > JMP                                                      ->17
    9    15    >   CONCAT                                           ~9      !1, '%0A'
         16        ECHO                                                     ~9
    5    17    > > JMP                                                      ->5
         18    >   FE_FREE                                                  $4
   11    19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
169.9 ms | 1395 KiB | 17 Q