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<?php $phone = 'Tel. +47 - 87654321'; echo preg_replace('/[^\d+]+/', '', $phone); echo "\n"; echo strtr($phone, ['Tel. ' => '', ' - ' => '']); echo "\n"; echo str_replace(['Tel. ', ' - '], '', $phone); echo "\n"; echo implode(sscanf($phone, 'Tel. %s - %s')); echo "\n"; echo substr($phone, 5, 3) . substr($phone, -8);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vDd7V
function name:  (null)
number of ops:  42
compiled vars:  !0 = $phone
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'Tel.+%2B47+-+87654321'
    5     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5B%5E%5Cd%2B%5D%2B%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ECHO                                                     $2
    7     7        ECHO                                                     '%0A'
    9     8        INIT_FCALL                                               'strtr'
          9        SEND_VAR                                                 !0
         10        SEND_VAL                                                 <array>
         11        DO_ICALL                                         $3      
         12        ECHO                                                     $3
   11    13        ECHO                                                     '%0A'
   13    14        INIT_FCALL                                               'str_replace'
         15        SEND_VAL                                                 <array>
         16        SEND_VAL                                                 ''
         17        SEND_VAR                                                 !0
         18        DO_ICALL                                         $4      
         19        ECHO                                                     $4
   15    20        ECHO                                                     '%0A'
   17    21        INIT_FCALL                                               'implode'
         22        INIT_FCALL                                               'sscanf'
         23        SEND_VAR                                                 !0
         24        SEND_VAL                                                 'Tel.+%25s+-+%25s'
         25        DO_ICALL                                         $5      
         26        SEND_VAR                                                 $5
         27        DO_ICALL                                         $6      
         28        ECHO                                                     $6
   19    29        ECHO                                                     '%0A'
   21    30        INIT_FCALL                                               'substr'
         31        SEND_VAR                                                 !0
         32        SEND_VAL                                                 5
         33        SEND_VAL                                                 3
         34        DO_ICALL                                         $7      
         35        INIT_FCALL                                               'substr'
         36        SEND_VAR                                                 !0
         37        SEND_VAL                                                 -8
         38        DO_ICALL                                         $8      
         39        CONCAT                                           ~9      $7, $8
         40        ECHO                                                     ~9
         41      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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