3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; for ($x=0,$r=null;$x<8;$x++) { $r .= $a[mt_rand(0, strlen($a) - 1)]; } echo $r;
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 = 4
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 4
Branch analysis from position: 15
Branch analysis from position: 4
filename:       /in/9TQcJ
function name:  (null)
number of ops:  17
compiled vars:  !0 = $a, !1 = $x, !2 = $r
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
    5     1        ASSIGN                                                   !1, 0
          2        ASSIGN                                                   !2, null
          3      > JMP                                                      ->13
    6     4    >   INIT_FCALL                                               'mt_rand'
          5        SEND_VAL                                                 0
          6        STRLEN                                           ~6      !0
          7        SUB                                              ~7      ~6, 1
          8        SEND_VAL                                                 ~7
          9        DO_ICALL                                         $8      
         10        FETCH_DIM_R                                      ~9      !0, $8
         11        ASSIGN_OP                                     8          !2, ~9
    5    12        PRE_INC                                                  !1
         13    >   IS_SMALLER                                               !1, 8
         14      > JMPNZ                                                    ~12, ->4
    9    15    >   ECHO                                                     !2
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
147.58 ms | 1399 KiB | 15 Q