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<?php $filename = '1234_56_78 A_FAIRLY_SHORT_TITLE_D.pdf'; preg_match('~([^ _]+)[ _]([^ _]+)[ _]([^ _]+)[ _](.+)[ _](\S)~', pathinfo($filename, PATHINFO_FILENAME), $m); var_export([ 'project_no' => $m[1], 'series_no' => $m[2], 'sheet_no' => $m[3], 'title' => str_replace('_', ' ', $m[4]), 'revision' => $m[5], ]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IGIbm
function name:  (null)
number of ops:  29
compiled vars:  !0 = $filename, !1 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '1234_56_78+A_FAIRLY_SHORT_TITLE_D.pdf'
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%7E%28%5B%5E+_%5D%2B%29%5B+_%5D%28%5B%5E+_%5D%2B%29%5B+_%5D%28%5B%5E+_%5D%2B%29%5B+_%5D%28.%2B%29%5B+_%5D%28%5CS%29%7E'
          3        INIT_FCALL                                               'pathinfo'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 8
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        SEND_REF                                                 !1
          9        DO_ICALL                                                 
    6    10        INIT_FCALL                                               'var_export'
    7    11        FETCH_DIM_R                                      ~5      !1, 1
         12        INIT_ARRAY                                       ~6      ~5, 'project_no'
    8    13        FETCH_DIM_R                                      ~7      !1, 2
         14        ADD_ARRAY_ELEMENT                                ~6      ~7, 'series_no'
    9    15        FETCH_DIM_R                                      ~8      !1, 3
         16        ADD_ARRAY_ELEMENT                                ~6      ~8, 'sheet_no'
   10    17        INIT_FCALL                                               'str_replace'
         18        SEND_VAL                                                 '_'
         19        SEND_VAL                                                 '+'
         20        FETCH_DIM_R                                      ~9      !1, 4
         21        SEND_VAL                                                 ~9
         22        DO_ICALL                                         $10     
         23        ADD_ARRAY_ELEMENT                                ~6      $10, 'title'
   11    24        FETCH_DIM_R                                      ~11     !1, 5
         25        ADD_ARRAY_ELEMENT                                ~6      ~11, 'revision'
         26        SEND_VAL                                                 ~6
    6    27        DO_ICALL                                                 
   12    28      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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