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<?php $filename = '1234_56_78 A_FAIRLY_SHORT_TITLE_D.pdf'; $m = preg_split('~ |_~', pathinfo($filename, PATHINFO_FILENAME)); $revision = array_pop($m); var_export([ 'project_no' => $m[0], 'series_no' => $m[1], 'sheet_no' => $m[2], 'title' => implode(' ', array_slice($m, 3)), 'revision' => $revision, ]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dtShK
function name:  (null)
number of ops:  31
compiled vars:  !0 = $filename, !1 = $m, !2 = $revision
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_split'
          2        SEND_VAL                                                     '%7E+%7C_%7E'
          3        INIT_FCALL                                                   'pathinfo'
          4        SEND_VAR                                                     !0
          5        SEND_VAL                                                     8
          6        DO_ICALL                                             $4      
          7        SEND_VAR                                                     $4
          8        DO_ICALL                                             $5      
          9        ASSIGN                                                       !1, $5
    5    10        INIT_FCALL                                                   'array_pop'
         11        SEND_REF                                                     !1
         12        DO_ICALL                                             $7      
         13        ASSIGN                                                       !2, $7
    7    14        INIT_FCALL                                                   'var_export'
    8    15        FETCH_DIM_R                                          ~9      !1, 0
         16        INIT_ARRAY                                           ~10     ~9, 'project_no'
    9    17        FETCH_DIM_R                                          ~11     !1, 1
         18        ADD_ARRAY_ELEMENT                                    ~10     ~11, 'series_no'
   10    19        FETCH_DIM_R                                          ~12     !1, 2
         20        ADD_ARRAY_ELEMENT                                    ~10     ~12, 'sheet_no'
   11    21        INIT_FCALL                                                   'array_slice'
         22        SEND_VAR                                                     !1
         23        SEND_VAL                                                     3
         24        DO_ICALL                                             $13     
         25        FRAMELESS_ICALL_2                implode             ~14     '+', $13
         26        ADD_ARRAY_ELEMENT                                    ~10     ~14, 'title'
   12    27        ADD_ARRAY_ELEMENT                                    ~10     !2, 'revision'
         28        SEND_VAL                                                     ~10
    7    29        DO_ICALL                                                     
   13    30      > RETURN                                                       1

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