3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "Ебал твою тупость"; //способ 1 $length = mb_strlen($str); for ($i=1; $i <= $length; $i++) { //echo $i . "\n"; $symbol = mb_substr($str, -$i, 1); echo $symbol; echo "\n"; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
2 jumps found. (Code = 44) Position 1 = 19, Position 2 = 7
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 19, Position 2 = 7
Branch analysis from position: 19
Branch analysis from position: 7
filename:       /in/T5HLN
function name:  (null)
number of ops:  20
compiled vars:  !0 = $str, !1 = $length, !2 = $i, !3 = $symbol
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%D0%95%D0%B1%D0%B0%D0%BB+%D1%82%D0%B2%D0%BE%D1%8E+%D1%82%D1%83%D0%BF%D0%BE%D1%81%D1%82%D1%8C'
    6     1        INIT_FCALL                                               'mb_strlen'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $5      
          4        ASSIGN                                                   !1, $5
    8     5        ASSIGN                                                   !2, 1
          6      > JMP                                                      ->17
   11     7    >   INIT_FCALL                                               'mb_substr'
          8        SEND_VAR                                                 !0
          9        MUL                                              ~8      !2, -1
         10        SEND_VAL                                                 ~8
         11        SEND_VAL                                                 1
         12        DO_ICALL                                         $9      
         13        ASSIGN                                                   !3, $9
   12    14        ECHO                                                     !3
   13    15        ECHO                                                     '%0A'
    8    16        PRE_INC                                                  !2
         17    >   IS_SMALLER_OR_EQUAL                                      !2, !1
         18      > JMPNZ                                                    ~12, ->7
   15    19    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
148.77 ms | 1395 KiB | 17 Q