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<?php $pattern = "sch"; $b = array_reverse(explode(' ','this is school of sachin')); for($i=0;$i < count($b);$i++){ if(strpos($b[$i],$pattern) !== false){ echo $i+1; } } ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 21
Branch analysis from position: 21
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 11
Branch analysis from position: 24
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
2 jumps found. (Code = 43) Position 1 = 18, Position 2 = 20
Branch analysis from position: 18
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 11
Branch analysis from position: 24
Branch analysis from position: 11
Branch analysis from position: 20
filename:       /in/dFi3K
function name:  (null)
number of ops:  25
compiled vars:  !0 = $pattern, !1 = $b, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'sch'
    3     1        INIT_FCALL                                               'array_reverse'
          2        INIT_FCALL                                               'explode'
          3        SEND_VAL                                                 '+'
          4        SEND_VAL                                                 'this+is+school+of+sachin'
          5        DO_ICALL                                         $4      
          6        SEND_VAR                                                 $4
          7        DO_ICALL                                         $5      
          8        ASSIGN                                                   !1, $5
    4     9        ASSIGN                                                   !2, 0
         10      > JMP                                                      ->21
    5    11    >   INIT_FCALL                                               'strpos'
         12        FETCH_DIM_R                                      ~8      !1, !2
         13        SEND_VAL                                                 ~8
         14        SEND_VAR                                                 !0
         15        DO_ICALL                                         $9      
         16        TYPE_CHECK                                  1018          $9
         17      > JMPZ                                                     ~10, ->20
    6    18    >   ADD                                              ~11     !2, 1
         19        ECHO                                                     ~11
    4    20    >   PRE_INC                                                  !2
         21    >   COUNT                                            ~13     !1
         22        IS_SMALLER                                               !2, ~13
         23      > JMPNZ                                                    ~14, ->11
    9    24    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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158.26 ms | 1395 KiB | 19 Q