3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 0; for ($i = 0; $i < 100000; $i++) { $x = ""; $y = "FILE_NOT_FOUND"; $z = $x || $y; $alphabetOverflow = $x OR $alphabetOverflow = $y; } echo "\$z is $z \n"; echo "\$alphabetOverflow is $alphabetOverflow";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 3
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 47) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
2 jumps found. (Code = 47) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 3
Branch analysis from position: 15
Branch analysis from position: 3
Branch analysis from position: 12
Branch analysis from position: 7
filename:       /in/TO860
function name:  (null)
number of ops:  23
compiled vars:  !0 = $i, !1 = $x, !2 = $y, !3 = $z, !4 = $alphabetOverflow
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 0
    4     1        ASSIGN                                                   !0, 0
          2      > JMP                                                      ->13
    5     3    >   ASSIGN                                                   !1, ''
    6     4        ASSIGN                                                   !2, 'FILE_NOT_FOUND'
    8     5      > JMPNZ_EX                                         ~9      !1, ->7
          6    >   BOOL                                             ~9      !2
          7    >   ASSIGN                                                   !3, ~9
   10     8        ASSIGN                                           ~11     !4, !1
          9      > JMPNZ_EX                                         ~11     ~11, ->12
         10    >   ASSIGN                                           ~12     !4, !2
         11        BOOL                                             ~11     ~12
    4    12    >   PRE_INC                                                  !0
         13    >   IS_SMALLER                                               !0, 100000
         14      > JMPNZ                                                    ~14, ->3
   13    15    >   ROPE_INIT                                     3  ~16     '%24z+is+'
         16        ROPE_ADD                                      1  ~16     ~16, !3
         17        ROPE_END                                      2  ~15     ~16, '+%0A'
         18        ECHO                                                     ~15
   14    19        NOP                                                      
         20        FAST_CONCAT                                      ~18     '%24alphabetOverflow+is+', !4
         21        ECHO                                                     ~18
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
173.77 ms | 1394 KiB | 13 Q