3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fibo[0] = 0; $fibo[1] = 1; for($i=2; $i<10; $i++){ $fibo[i] = $fibo[i-1] + $fibo[i-2]; echo "Fibonacci series"+$i-1+" : "; echo $fibo[i]; echo "\n"; } ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 6
Branch analysis from position: 27
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 6
Branch analysis from position: 27
Branch analysis from position: 6
filename:       /in/1lPWZ
function name:  (null)
number of ops:  28
compiled vars:  !0 = $fibo, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN_DIM                                               !0, 0
          1        OP_DATA                                                  0
    3     2        ASSIGN_DIM                                               !0, 1
          3        OP_DATA                                                  1
    5     4        ASSIGN                                                   !1, 2
          5      > JMP                                                      ->25
    6     6    >   FETCH_CONSTANT                                   ~5      'i'
          7        FETCH_CONSTANT                                   ~7      'i'
          8        SUB                                              ~8      ~7, 1
          9        FETCH_DIM_R                                      ~9      !0, ~8
         10        FETCH_CONSTANT                                   ~10     'i'
         11        SUB                                              ~11     ~10, 2
         12        FETCH_DIM_R                                      ~12     !0, ~11
         13        ADD                                              ~13     ~9, ~12
         14        ASSIGN_DIM                                               !0, ~5
         15        OP_DATA                                                  ~13
    8    16        ADD                                              ~14     'Fibonacci+series', !1
         17        SUB                                              ~15     ~14, 1
         18        ADD                                              ~16     ~15, '+%3A+'
         19        ECHO                                                     ~16
    9    20        FETCH_CONSTANT                                   ~17     'i'
         21        FETCH_DIM_R                                      ~18     !0, ~17
         22        ECHO                                                     ~18
   10    23        ECHO                                                     '%0A'
    5    24        PRE_INC                                                  !1
         25    >   IS_SMALLER                                               !1, 10
         26      > JMPNZ                                                    ~20, ->6
   12    27    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
167.05 ms | 1394 KiB | 13 Q