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<?php $course_id = "SW_3200R50S14C"; $matches = array(); preg_match("/[0-9]+/",$course_id, $matches); print_r($matches); $matches = array(); preg_match("R/[0-9]+/",$course_id, $matches); print_r($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lNERs
function name:  (null)
number of ops:  20
compiled vars:  !0 = $course_id, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'SW_3200R50S14C'
    5     1        ASSIGN                                                   !1, <array>
    6     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAL                                                 '%2F%5B0-9%5D%2B%2F'
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !1
          6        DO_ICALL                                                 
    8     7        INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
   10    10        ASSIGN                                                   !1, <array>
   11    11        INIT_FCALL                                               'preg_match'
         12        SEND_VAL                                                 'R%2F%5B0-9%5D%2B%2F'
         13        SEND_VAR                                                 !0
         14        SEND_REF                                                 !1
         15        DO_ICALL                                                 
   13    16        INIT_FCALL                                               'print_r'
         17        SEND_VAR                                                 !1
         18        DO_ICALL                                                 
         19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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