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<?php $text= "abce dfia jicd fbii"; $consonants = array_diff(range('a', 'z'), array('a', 'e', 'i', 'o', 'u')); $cset = '[' . implode('', $consonants) . ']'; echo preg_replace("/($cset)($cset)/", '$1-$2', $text) . PHP_EOL; $text = 'abcce ibddfa'; $text = preg_replace("/($cset)($cset)/", '$1-$2', $text); echo preg_replace("/($cset)($cset)/", '$1-$2', $text) . PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uRANi
function name:  (null)
number of ops:  54
compiled vars:  !0 = $text, !1 = $consonants, !2 = $cset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'abce+dfia+jicd+fbii'
    4     1        INIT_FCALL                                               'array_diff'
          2        INIT_FCALL                                               'range'
          3        SEND_VAL                                                 'a'
          4        SEND_VAL                                                 'z'
          5        DO_ICALL                                         $4      
          6        SEND_VAR                                                 $4
          7        SEND_VAL                                                 <array>
          8        DO_ICALL                                         $5      
          9        ASSIGN                                                   !1, $5
    5    10        INIT_FCALL                                               'implode'
         11        SEND_VAL                                                 ''
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                         $7      
         14        CONCAT                                           ~8      '%5B', $7
         15        CONCAT                                           ~9      ~8, '%5D'
         16        ASSIGN                                                   !2, ~9
    6    17        INIT_FCALL                                               'preg_replace'
         18        ROPE_INIT                                     5  ~12     '%2F%28'
         19        ROPE_ADD                                      1  ~12     ~12, !2
         20        ROPE_ADD                                      2  ~12     ~12, '%29%28'
         21        ROPE_ADD                                      3  ~12     ~12, !2
         22        ROPE_END                                      4  ~11     ~12, '%29%2F'
         23        SEND_VAL                                                 ~11
         24        SEND_VAL                                                 '%241-%242'
         25        SEND_VAR                                                 !0
         26        DO_ICALL                                         $15     
         27        CONCAT                                           ~16     $15, '%0A'
         28        ECHO                                                     ~16
    8    29        ASSIGN                                                   !0, 'abcce+ibddfa'
    9    30        INIT_FCALL                                               'preg_replace'
         31        ROPE_INIT                                     5  ~19     '%2F%28'
         32        ROPE_ADD                                      1  ~19     ~19, !2
         33        ROPE_ADD                                      2  ~19     ~19, '%29%28'
         34        ROPE_ADD                                      3  ~19     ~19, !2
         35        ROPE_END                                      4  ~18     ~19, '%29%2F'
         36        SEND_VAL                                                 ~18
         37        SEND_VAL                                                 '%241-%242'
         38        SEND_VAR                                                 !0
         39        DO_ICALL                                         $22     
         40        ASSIGN                                                   !0, $22
   10    41        INIT_FCALL                                               'preg_replace'
         42        ROPE_INIT                                     5  ~25     '%2F%28'
         43        ROPE_ADD                                      1  ~25     ~25, !2
         44        ROPE_ADD                                      2  ~25     ~25, '%29%28'
         45        ROPE_ADD                                      3  ~25     ~25, !2
         46        ROPE_END                                      4  ~24     ~25, '%29%2F'
         47        SEND_VAL                                                 ~24
         48        SEND_VAL                                                 '%241-%242'
         49        SEND_VAR                                                 !0
         50        DO_ICALL                                         $28     
         51        CONCAT                                           ~29     $28, '%0A'
         52        ECHO                                                     ~29
   11    53      > RETURN                                                   1

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