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<?php $tests = [ 'Paid a bill £0.90', 'Paid a bill £100', 'Paid a bill £100.10', 'Paid a bill £1000' ]; foreach ($tests as $test) { var_dump(sscanf($test, '%*[^£]£%f')[0]); echo "\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 13
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 13
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
filename:       /in/8jLm1
function name:  (null)
number of ops:  15
compiled vars:  !0 = $tests, !1 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1      > FE_RESET_R                                       $3      !0, ->13
          2    > > FE_FETCH_R                                               $3, !1, ->13
   10     3    >   INIT_FCALL                                               'var_dump'
          4        INIT_FCALL                                               'sscanf'
          5        SEND_VAR                                                 !1
          6        SEND_VAL                                                 '%25%2A%5B%5E%C2%A3%5D%C2%A3%25f'
          7        DO_ICALL                                         $4      
          8        FETCH_DIM_R                                      ~5      $4, 0
          9        SEND_VAL                                                 ~5
         10        DO_ICALL                                                 
   11    11        ECHO                                                     '%0A'
    9    12      > JMP                                                      ->2
         13    >   FE_FREE                                                  $3
   12    14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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