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<?php $expr = '#^v?([0-9]+)\.([0-9]+)\.([0-9]+)$#'; $val = 'v12.0.93'; preg_match($expr, $val, $match); list(, $major, $minor, $release) = $match; var_dump($major, $minor, $release);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TUs5K
function name:  (null)
number of ops:  21
compiled vars:  !0 = $expr, !1 = $val, !2 = $match, !3 = $major, !4 = $minor, !5 = $release
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%23%5Ev%3F%28%5B0-9%5D%2B%29%5C.%28%5B0-9%5D%2B%29%5C.%28%5B0-9%5D%2B%29%24%23'
    4     1        ASSIGN                                                   !1, 'v12.0.93'
    5     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        SEND_REF                                                 !2
          6        DO_ICALL                                                 
    6     7        QM_ASSIGN                                        ~9      !2
          8        FETCH_LIST_R                                     $10     ~9, 1
          9        ASSIGN                                                   !3, $10
         10        FETCH_LIST_R                                     $12     ~9, 2
         11        ASSIGN                                                   !4, $12
         12        FETCH_LIST_R                                     $14     ~9, 3
         13        ASSIGN                                                   !5, $14
         14        FREE                                                     ~9
    8    15        INIT_FCALL                                               'var_dump'
         16        SEND_VAR                                                 !3
         17        SEND_VAR                                                 !4
         18        SEND_VAR                                                 !5
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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