3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fname = '/tmp/graci.txt'; $fp = fopen($fname, file_exists($fname) ? 'a+' : 'w+'); $in = "graci|senha|rg|cpf\n"; echo $in; fwrite($fp, $in); while ($user = fscanf($fp, "%s|%s\n")) { echo $user; } fclose($fp);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 21
Branch analysis from position: 21
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 20
Branch analysis from position: 27
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 20
Branch analysis from position: 27
Branch analysis from position: 20
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 21
Branch analysis from position: 21
filename:       /in/Zq3Z7
function name:  (null)
number of ops:  31
compiled vars:  !0 = $fname, !1 = $fp, !2 = $in, !3 = $user
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%2Ftmp%2Fgraci.txt'
    3     1        INIT_FCALL                                               'fopen'
          2        SEND_VAR                                                 !0
          3        INIT_FCALL                                               'file_exists'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $5      
          6      > JMPZ                                                     $5, ->9
          7    >   QM_ASSIGN                                        ~6      'a%2B'
          8      > JMP                                                      ->10
          9    >   QM_ASSIGN                                        ~6      'w%2B'
         10    >   SEND_VAL                                                 ~6
         11        DO_ICALL                                         $7      
         12        ASSIGN                                                   !1, $7
    5    13        ASSIGN                                                   !2, 'graci%7Csenha%7Crg%7Ccpf%0A'
    6    14        ECHO                                                     !2
    7    15        INIT_FCALL                                               'fwrite'
         16        SEND_VAR                                                 !1
         17        SEND_VAR                                                 !2
         18        DO_ICALL                                                 
    9    19      > JMP                                                      ->21
   10    20    >   ECHO                                                     !3
    9    21    >   INIT_FCALL                                               'fscanf'
         22        SEND_VAR                                                 !1
         23        SEND_VAL                                                 '%25s%7C%25s%0A'
         24        DO_ICALL                                         $11     
         25        ASSIGN                                           ~12     !3, $11
         26      > JMPNZ                                                    ~12, ->20
   13    27    >   INIT_FCALL                                               'fclose'
         28        SEND_VAR                                                 !1
         29        DO_ICALL                                                 
         30      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.03 ms | 1396 KiB | 23 Q