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<?php $a = ' A0'; for ($i=0;$i<20;$i++) var_dump($a++);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 3
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 3
Branch analysis from position: 11
Branch analysis from position: 3
filename:       /in/ED9M7
function name:  (null)
number of ops:  12
compiled vars:  !0 = $a, !1 = $i
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   QM_ASSIGN                                                !0
   3     1        QM_ASSIGN                                                !1
         2      > JMP                                                      ->9
         3    >   INIT_FCALL                                               'var_dump'
         4        POST_INC                                         ~4      !0
         5        SEND_VAL                                                 ~4
         6        DO_ICALL                                                 
         7        POST_INC                                         ~6      !1
         8        FREE                                                     ~6
         9    >   IS_SMALLER_OR_EQUAL                              ~7      !1, 20
        10      > JMPNZ                                                    ~7, ->3
        11    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.4.0