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<?php $tel_code = 44; $nos[] = '07905881965'; $nos[] = '+07905881965'; $nos[] = '7905881965'; foreach($nos as $no) { $composite = preg_replace('/^0?/', $tel_code, $no); var_dump($composite); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 8, Position 2 = 19
Branch analysis from position: 8
2 jumps found. (Code = 78) Position 1 = 9, Position 2 = 19
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
filename:       /in/uQ1cP
function name:  (null)
number of ops:  21
compiled vars:  !0 = $tel_code, !1 = $nos, !2 = $no, !3 = $composite
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 44
    4     1        ASSIGN_DIM                                               !1
          2        OP_DATA                                                  '07905881965'
    5     3        ASSIGN_DIM                                               !1
          4        OP_DATA                                                  '%2B07905881965'
    6     5        ASSIGN_DIM                                               !1
          6        OP_DATA                                                  '7905881965'
    8     7      > FE_RESET_R                                       $8      !1, ->19
          8    > > FE_FETCH_R                                               $8, !2, ->19
    9     9    >   INIT_FCALL                                               'preg_replace'
         10        SEND_VAL                                                 '%2F%5E0%3F%2F'
         11        SEND_VAR                                                 !0
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                         $9      
         14        ASSIGN                                                   !3, $9
   10    15        INIT_FCALL                                               'var_dump'
         16        SEND_VAR                                                 !3
         17        DO_ICALL                                                 
    8    18      > JMP                                                      ->8
         19    >   FE_FREE                                                  $8
   11    20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.4 ms | 1386 KiB | 17 Q